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SERVICE MANUAL
B80B
Backhoe Loader
Part number 48143704
1st
edition English
April 2017
© 2017 Case New Holland Construction Equipment (India) Private Limited. All Rights Reserved.
CONSTRUCTION
Contents
INTRODUCTION
Engine....................................................................................... 10
[10.001] Engine and crankcase ............................................................. 10.1
[10.254] Intake and exhaust manifolds and muffler ......................................... 10.2
[10.400] Engine cooling system ............................................................. 10.3
Transmission.............................................................................. 21
[21.100] Mechanical transmission lubrication system ....................................... 21.1
[21.112] Power shuttle transmission......................................................... 21.2
[21.134] Power shuttle transmission external controls ...................................... 21.3
[21.154] Power shuttle transmission internal components .................................. 21.4
[21.700] Torque converter ................................................................... 21.5
Front axle system ....................................................................... 25
[25.100] Powered front axle ................................................................. 25.1
[25.102] Front bevel gear set and differential ............................................... 25.2
[25.108] Final drive hub, steering knuckles, and shafts ..................................... 25.3
[25.400] Non-powered front axle ............................................................ 25.4
Rear axle system........................................................................ 27
[27.100] Powered rear axle.................................................................. 27.1
[27.106] Rear bevel gear set and differential................................................ 27.2
[27.124] Final drive hub, steering knuckles, and shafts ..................................... 27.3
Brakes and controls .................................................................... 33
[33.202] Hydraulic service brakes ........................................................... 33.1
[33.110] Parking brake or parking lock ...................................................... 33.2
Hydraulic systems....................................................................... 35
[35.000] Hydraulic systems.................................................................. 35.1
[35.300] Reservoir, cooler, and filters........................................................ 35.2
48143704 20/04/2017
[35.104] Fixed displacement pump.......................................................... 35.3
[35.359] Main control valve.................................................................. 35.4
[35.724] Front loader hydraulic system control.............................................. 35.5
[35.701] Front loader arm hydraulic system ................................................. 35.6
[35.723] Front loader bucket hydraulic system .............................................. 35.7
[35.726] Excavator and backhoe hydraulic controls......................................... 35.8
[35.736] Boom hydraulic system ............................................................ 35.9
[35.737] Dipper hydraulic system.......................................................... 35.10
[35.738] Excavator and backhoe bucket hydraulic system................................ 35.11
[35.739] Swing arm hydraulic system ..................................................... 35.12
[35.AAA] Hydraulic systems generic sub-group ........................................... 35.13
Frames and ballasting ................................................................. 39
[39.129] Stabilizers .......................................................................... 39.1
Steering..................................................................................... 41
[41.101] Steering control .................................................................... 41.1
[41.200] Hydraulic control components...................................................... 41.2
[41.216] Cylinders ........................................................................... 41.3
Wheels...................................................................................... 44
[44.511] Front wheels........................................................................ 44.1
[44.520] Rear wheels........................................................................ 44.2
[44.AAA] Wheels generic sub-group ........................................................ 44.3
Cab climate control ..................................................................... 50
[50.100] Heating ............................................................................. 50.1
[50.200] Air conditioning..................................................................... 50.2
Electrical systems....................................................................... 55
[55.100] Harnesses and connectors......................................................... 55.1
[55.201] Engine starting system ............................................................. 55.2
[55.301] Alternator........................................................................... 55.3
48143704 20/04/2017
[55.518] Wiper and washer system.......................................................... 55.4
Front loader and bucket............................................................... 82
[82.100] Arm................................................................................. 82.1
[82.300] Bucket.............................................................................. 82.2
Booms, dippers, and buckets ....................................................... 84
[84.114] Boom pivoting support ............................................................. 84.1
[84.910] Boom ............................................................................... 84.2
[84.912] Dipper arm ......................................................................... 84.3
Accessories ............................................................................... 88
[88.100] Accessories ........................................................................ 88.1
Platform, cab, bodywork, and decals............................................. 90
[90.150] Cab................................................................................. 90.1
[90.154] Cab doors and hatches ............................................................ 90.2
[90.156] Cab windshield and windows ...................................................... 90.3
[90.100] Engine hood and panels ........................................................... 90.4
48143704 20/04/2017
INTRODUCTION
48143704 20/04/2017
1
INTRODUCTION
Safety rules
Personal safety
This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all
safety messages that follow this symbol to avoid possible death or injury.
Throughout this manual you will find the signal words DANGER, WARNING, and CAUTION followed by special in-
structions. These precautions are intended for the personal safety of you and those working with you.
Read and understand all the safety messages in this manual before you operate or service the machine.
DANGER indicates a hazardous situation that, if not avoided, will result in death or serious injury.
WARNING indicates a hazardous situation that, if not avoided, could result in death or serious injury.
CAUTION indicates a hazardous situation that, if not avoided, could result in minor or moderate injury.
FAILURE TO FOLLOW DANGER, WARNING, AND CAUTION MESSAGES COULD RESULT
IN DEATH OR SERIOUS INJURY.
Machine safety
NOTICE: Notice indicates a situation that, if not avoided, could result in machine or property damage.
Throughout this manual you will find the signal word Notice followed by special instructions to prevent machine or
property damage. The word Notice is used to address practices not related to personal safety.
Information
NOTE: Note indicates additional information that clarifies steps, procedures, or other information in this manual.
Throughout this manual you will find the word Note followed by additional information about a step, procedure, or
other information in the manual. The word Note is not intended to address personal safety or property damage.
48143704 20/04/2017
3
INTRODUCTION
Safety rules
DANGER
Improper operation or service of this machine can result in an accident.
Do not operate this machine or perform any lubrication, maintenance, or repair on it until you have
read and understood the operation, lubrication, maintenance, and repair information.
Failure to comply will result in death or serious injury.
D0010A
WARNING
Maintenance hazard!
Always perform all service procedures punctually at the intervals stated in this manual. This ensures
optimum performance levels and maximum safety during machine operation.
Failure to comply could result in death or serious injury.
W0132A
NOTICE: Extreme working and environmental conditions require shortened service intervals.
Use Case fluids, lubricants, and filters for the best protection and performance of your machine. All fluids, lubricants,
and filters must be disposed of in compliance with environmental standards and regulations. Contact your Dealer with
any questions regarding the service and maintenance of this machine.
Use this manual with the operator's manual to understand and perform the complete service procedures. Read the
safety decals and information decals on the machine. Read the Operator’s Manual and safety manual. Understand
the operation of the machine before you start any service.
Before you service the machine, put a “Do Not Operate” tag on the steering wheel or over the key switch. Ensure the
tag is at a location where everyone who might operate or service the machine may see clearly.
Plastic and resin parts
• Avoid using gasoline, paint thinner, etc. when cleaning plastic parts, console, instrument cluster, etc.
• Use only water, mild soap, and a soft cloth when you clean these parts.
• Using gasoline, thinners, etc. can cause discoloration, cracking, or deformation of the part being cleaned.
48143704 20/04/2017
4
INTRODUCTION
Safety rules - Ductile iron
DANGER
Altering cast ductile iron can cause it to weaken or break.
Before you weld, cut, or drill holes on any part of this machine, make sure that the part is not cast
ductile iron.
Failure to comply will result in death or serious injury.
D0148A
Altering cast ductile iron can cause it to weaken or break. Unauthorized modifications to cast ductile iron parts can
cause death or serious injury. Do not weld, cut, drill, repair, or attach items to cast ductile iron parts on this machine.
Before you weld, cut, or drill holes on any part of this machine, make sure the part is not cast ductile iron. See your
dealer if you do not know if a part is cast ductile iron.
The following items are examples of cast ductile iron parts. There may also be other parts made of cast ductile
iron that are not on the list below.
• two-wheel drive steering link
• dump links
• front axle
• stabilizers
• extend-a-hoe
• swing tower
• bucket linkage
• Air-Conditioning (A/C) compressor mounting bracket
Do not make any unauthorized modifications. Consult an authorized dealer before making any changes, additions,
or modifications to this machine.
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5
SERVICE MANUAL
Engine
B80B
48143704 20/04/2017
10
Engine - Engine and crankcase
Engine - Remove
Prior operation:
Refer to Basic instructions
Prior operation:
Refer to Hood - Remove (90.100)
Prior operation:
Refer to Radiator - Remove (10.400)
Prior operation:
Refer to Exhaust manifold - Remove (10.254)
NOTE: Put identification tags on all disconnected hoses
and wires. Close all disconnected hoses and fittings with
caps and plugs immediately.
NOTE: The images in this procedure may be different from
your machine and are for reference only.
ATTENTION: Allow the engine to reach normal tempera-
ture before performing any service or maintenance proce-
dure. Wear safety gloves and goggles for protection from
hot components and fluids or severe burns could result.
1. Drain engine oil by loosening the drain nut. Collect the
oil in a clean container, cap it and keep it aside in a
clean place.
2. Disconnect the fuel return and inlet lines (1) from the
mud filter (4) and cap them immediately.
Loosen the mounting bolts (2) and remove the assem-
bly (3) from the machine.
PTIL13TLB0953AB 1
3. Remove the exhaust pipe (1) of the turbocharger and
cap it.
PTIL13TLB0956AB 2
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Engine - Engine and crankcase
4. Remove the muffler support bracket bolt (2).
PTIL13TLB0957AB 3
5. Remove the bolt (1) and the muffler assembly from the
engine.
PTIL13TLB0958AB 4
6. Disconnect the throttle linkage (1) from the pump and
set it aside.
PTIL13TLB0954AB 5
7. Disconnect the coolant temperature (1), alternator, oil
pressure (2) and starter connectors from engine.
Remove the starter.
Refer to Engine starter - Remove (55.201).
PTIL13TLB0955AB 6
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Engine - Engine and crankcase
8. Remove the access cover from the flywheel housing
(1).
Turn the flywheel for access to the cap screws.
Remove the cap screws to disconnect the torque con-
verter from the engine.
Connect lifting equipment to the lifting eyes on the en-
gine to hold the engine in place.
PTIL13TLB1470AA 7
9. Remove the bolts (1), flat washers, and nuts from the
front engine mount.
Loosen and remove the cap screws and flat washers
that fasten the transmission to the engine.
PTIL13TLB0730AB 8
Raise and remove the engine from the machine.
NOTICE: Make sure that the flex plate/converter assembly
stays in place on the transmission. If the engine will be
separated from the transmission for an extended period of
time fasten the flex plate/converter assembly in place on
the transmission.
PTIL13TLB0729AA 9
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Engine - Engine and crankcase
Engine - Install
If applicable, remove caps and plugs from previously
disconnected hoses and fittings. Remove identification
tags after making the hose and wire connections.
NOTE: The photos in this procedure may be different from
your machine and are for reference only.
1. Position the engine in the machine.
NOTICE: Make sure that the flex plate/converter assembly
stays in place on the transmission.
PTIL13TLB0729AA 1
2. Install and tighten the flat washers and cap screws se-
curing the transmission to the engine.
Tighten cap screws to a torque of 52 – 57 N·m (38
– 42 lb ft).
Install and tighten the front engine mounting bolts, flat
washers, and nuts.
Tighten the self-locking nuts to a torque of 90 –
100 N·m (66 – 74 lb ft).
3. Disconnect the lifting equipment from the lifting eyes on
the engine.
PTIL13TLB0730AA 2
4. Tighten the cap screws through the access in the fly-
wheel housing (1) and fasten the flywheel to the flex
plate. Tighten cap screws to a torque of 52 – 57 N·m
(38 – 42 lb ft) when fixing the torque converter.
5. Install the access cover to the bell housing.
Tighten it to a torque value of 52 – 57 N·m (38 –
42 lb ft).
6. Install the starter onto the engine.
Tighten it to a torque value of 40 N·m (29 lb ft).
Refer to Engine starter - Install (55.201).
PTIL13TLB1470AA 3
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Engine - Engine and crankcase
7. Connect the coolant temperature (1), alternator, oil
pressure (2) connectors.
PTIL13TLB0955AB 4
8. Connect the fuel return and inlet lines (1) and mount
the fuel filter assembly (3) by tightening the mounting
bolts (2).
PTIL13TLB0953AB 5
9. Connect the throttle rod (1).
10. Connect the throttle cable from the mounting bracket.
11. Connect the electrical connector for the oil pressure
switch.
PTIL13TLB0954AB 6
12. Install the exhaust pipe (1) of the turbocharger to the
muffler end.
Tighten it to a torque value of 6.5 – 7.5 N·m (4.8
– 5.5 lb ft).
PTIL13TLB0956AB 7
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Engine - Engine and crankcase
13. Attach the muffler and brackets (1) to the engine.
Tighten it to a torque value of 32 – 38 N·m (24 –
28 lb ft).
PTIL13TLB0958AB 8
14. Install the muffler support bracket bolt (2).
Tighten it to a torque value of 32 – 38 N·m (24 –
28 lb ft).
PTIL13TLB0957AB 9
15. Attach the aspiration hose and the crank case venti-
lation hose.
16. Install the exhaust manifold. Refer to Exhaust mani-
fold - Install (10.254).
17. Install the cooling pack. Refer to Radiator - Install
(10.400).
18. Fill the engine oil and cooling system up to the pre-
scribed level.
19. See capacities in Capacities for specifications.
20. Install air cleaner assembly.
21. Install the hood. Refer to Hood - Install (90.100).
22. Connect the battery terminals. Refer to Basic in-
structions.
23. Start the engine and keep it in idling.
24. Unlock the support strut lock and lower the loader arm.
PTIL13TLB1467AB 10
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Engine - Engine and crankcase
Engine - Troubleshooting
NOTE: The following table lists problems and their possible causes with recommended remedial action.
ATTENTION: When attending a repair the cause of the problem must also be investigated and corrected to avoid
repeat failures.
Problem Possible Cause Correction
Engine does not develop
full power
Clogged air cleaner Clean or renew element
Fuel line obstructed Clean
Faulty injectors Clean and reset
Incorrect valve clearance adjustment Clean and reset
Burnt, worn or sticking valves Replace valves with new or oversize,
and/or machine the valve guide bores
Blown head gasket Check head flatness and fit new gasket
Incorrect fuel delivery Check injectors and pump
Low cylinder compression Renew piston rings or re-bore/re-sleeve as
necessary
Oil pressure warning light
fails to operate
Bulb burnt out Renew bulb
Warning Light pressure switch faulty Renew pressure switch
Warning light circuit faulty Check and renew wiring
Excessive exhaust smoke Exhaust leak on exhaust manifold Fit new gasket
Air cleaner dirty or restricted Clean
Excessive fuel delivery Overall injection pump and injectors
Engine knocks Diluted or thin oil Check crankshaft bearings for damage,
change as required. Drain and refill with
specified oil and renew filter. Ascertain
cause of dilution
Insufficient oil supply Check oil level and top up as necessary.
Overhaul or renew pump as necessary.
Check oil filter is not clogged
Low oil pressure Overhaul pump or relief valve as necessary
Excessive crankshaft end play Replace thrust washer
Excessive connecting rod or main Install new bearing inserts and/or bearing
clearance re-grind crankshaft
Bent or twisted connecting rods Renew connecting rods
Crankshaft journals out of round Re-grind crankshaft and fit undersize bear-
ing inserts
Excessive piston to cylinder Re-bore/re-sleeve block and fit i bore clear-
ance new pistons
Excessive piston ring clearance Fit new pistons and rings
Broken rings Fit new rings, check bore and pistons for
damage
Excessive piston pin clearance Fit new piston or pin
Piston pin retainer loose or missing Install new retainer, and check bore/pistons
for damage
Excessive camshaft play Install new thrust plate
Imperfections on timing gear teeth Renew timing gear
Excessive timing gear backlash Check and adjust backlash /renew, timing
gear
Engine overheats Coolant hose connection leaking or col-
lapsed
Tighten hose connection, renew hose if
damaged
Radiator cap defective or not sealing Renew radiator cap
Radiator leakage Repair/renew radiator
Improper fan belt adjustment Re-adjust fan belt
Radiator fins restricted Clean with compressed air
Faulty thermostat Renew thermostat
Internal engine leakage Check for source of leakage. Renew gas-
ket or defective parts
Water pump faulty Overhaul water pump
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Engine - Engine and crankcase
Problem Possible Cause Correction
Exhaust gas leakage into cooling Renew cylinder head gasket
Coolant aeration Tighten all connections and check coolant
level is correct. Ensure cylinder head gas-
ket has not blown
Cylinder head gasket improperly installed Renew cylinder head gasket installed
Hot spot due to rust and scale or clogged
water jackets
Reverse flush entire clogged water
Obstruction to radiator air flow Remove the obstruction
Extended engine idling Do not allow engine to idle for long periods
Oil cooler tube blocked Clean
Radiator core tubes blocked Check free flow
Water temperature gauge
fails to reach normal
operating temperature
Faulty temperature sender Renew sender switch
Incorrect or faulty thermostat Renew thermostat
Faulty water temperature gauge Renew temperature gauge
Low oil pressure Engine oil level low Top up, as necessary
Wrong grade of oil Drain and refill with correct grade of oil
Blocked oil pump sump screen Clean pump screen
Oil pressure relief valve faulty Fit new relief valve
Oil pump worn Renew oil pump
Excessive oil pump rotor and shaft assem-
bly clearance
Overhaul pump
Excessive main or connecting rod bearing
clearance
Install new bearings inserts and bearing
clearance or re-grind crankshaft if neces-
sary
Excessive oil
consumption
Engine oil level too high Reduce oil level
External oil leaks Renew gaskets and seals, where neces-
sary. Check mating surfaces for damage
or distortion
Worn valves, valve guides or bores Renew
Cylinder head gasket leaking Renew gasket. Check head for damage or
distortion
Oil loss past the pistons and rings Renew rings and/or re-bore/re-sleeve block
as necessary
Oil cooler leak Repair/renew oil cooler assembly
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Engine - Intake and exhaust manifolds and muffler
Exhaust manifold - Exploded view
PTIL13TLB1200FB 1
1. Muffler 6. Bolt
2. Bracket with muffler 7. Washer
3. Screw 8. Muffler gasket
4. Washer 9. Muffler brace
5. Nylock nut 10. Nut
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Engine - Intake and exhaust manifolds and muffler
PTIL13TLB1201FB 2
1. Exhaust stack 4. Washer
2. Clamp 5. Nylock nut
3. Bolt
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Engine - Intake and exhaust manifolds and muffler
Exhaust manifold - Remove
Put identification tags on all disconnected hoses and
wires. Be prepared to cap or plug disconnected hoses
and fittings.
NOTE: The images in this procedure may be different from
your machine and are for reference only.
1. Park the machine on a level surface. Raise the loader
and lock the support strut (1) to hold the loader.
Remove the battery cover and disconnect the negative
battery cable from the battery and move it away from
the battery terminal.
Refer to Basic instructions.
PTIL13TLB0935AB 1
2. Loosen the air cleaner hose clamp (1) on the tur-
bocharger (2) and detach the hose (3).
PTIL13TLB0950AB 2
3. Loosen the air cleaner inlet hose clamp (1) on the air
cleaner (2). Detach the inlet hose (3) form the air
cleaner.
Disconnect crank case ventilation hose and the aspira-
tion hose.
PTIL13TLB1202AB 3
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Engine - Intake and exhaust manifolds and muffler
4. Remove the cap screws (1) and flat washers that fasten
the fixed hood to the uprights. Remove the fixed hood
and air cleaner as one assembly.
PTIL13TLB0949AB 4
5. Loosen the bolts (1) and disconnect the muffler flange
(2) from the turbo.
PTIL13TLB0193AB 5
6. Remove the mounting hardware that secures the upper
(1) and lower (2) of the muffler to the engine block.
PTIL13TLB0958AB 6
PTIL13TLB0957AB 7
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Engine - Intake and exhaust manifolds and muffler
7. Remove the muffler assembly (1).
PTIL13TLB1204AB 8
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Engine - Intake and exhaust manifolds and muffler
Exhaust manifold - Install
NOTICE: Prevent damage to the exhaust system do the following procedures in sequence. All gaps between mount-
ing surfaces should be eliminated before torque sequence is started.
1. Install the muffler assembly.
Torque tighten the assembly bolts (1) to the engine
bracket to 32 – 38 N·m (24 – 28 lb ft).
PTIL13TLB1204AB 1
2. Install the mounting hardware that secures the upper
(1) and lower (2) of the muffler to the engine block.
Torque tighten the bolts to 32 – 38 N·m (24 – 28 lb ft).
PTIL13TLB0958AB 2
PTIL13TLB0957AB 3
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Engine - Intake and exhaust manifolds and muffler
3. Align and secure the muffler flange (2) with turbo and
tighten bolts (1) to 6.5 – 7.5 N·m (4.8 – 5.5 lb ft).
PTIL13TLB0193AB 4
4. Install the fixed hood and air cleaner as one assembly.
Install the cap screws (1) and flat washers that fasten
the fixed hood to the uprights. Connect crank case ven-
tilation hose and the aspiration hose.
PTIL13TLB0949AB 5
5. Attach the inlet hose (3) form the air cleaner. Tighten
the air cleaner inlet hose clamp (1) on the air cleaner
(2).
PTIL13TLB1202AB 6
6. Attach the hose (3) and tighten the air cleaner hose
clamp (1) on the turbocharger (2) end.
7. Install the battery cover and connect battery.
Refer to Basic instructions.
PTIL13TLB0950AB 7
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Engine - Intake and exhaust manifolds and muffler
8. Start the machine.
Unlock the support strut (1) and lower the loader.
PTIL13TLB0935AB 8
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Engine - Engine cooling system
Radiator - Exploded view
PTIL13TLB1205FB 1
1. Upper radiator seal 6. Bolt
2. Recovery tank bracket 7. Nut
3. Intercooler tube support bracket LH 8. Lower radiator seal
4. Intercooler tube support bracket RH 9. Hexagonal screw
5. Washer
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Engine - Engine cooling system
PTIL13TLB1206FB 2
1. Washer 7. Hose clamp
2. Bolt 8. Clamp
3. Nut 9. Washer
4. Recovery tank 10. Hexagonal screw
5. Recovery tank hose 11. Grommet
6. Radiator overflow hose
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Engine - Engine cooling system
Radiator - Remove
NOTE: The photos in this procedure may be different from
your machine and are for reference only.
Put identification tags on all disconnected hoses and
wires. Close disconnected hoses and fittings with caps
and plugs.
1. Park the machine on a level surface. Refer to “Raise
and support loader lift arms” in Basic instructions. Al-
low the engine to cool.
2. Disconnect negative terminal. Refer to Basic instruc-
tions.
3. Remove the hood. Refer to Hood - Remove (90.100)
for the procedure.
4. Loosen the clamps (1) and disconnect the intercooler
hoses (2). Slowly remove the radiator cap (3).
PTIL13TLB1194AB 1
ATTENTION: Hot coolant can escape if the coolant reser-
voir cap is removed while the system is still hot. Allow the
system to cool down completely before removing the cap.
5. Install a hose on the drain valve (1) and drain the radi-
ator into a clean container of suitable capacity.
6. Wait for the coolant to drain out completely.
PTIL13TLB0942AB 2
7. Loosen the clamp (1) and disconnect the upper radiator
hose (2).
PTIL13TLB0946AB 3
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Engine - Engine cooling system
8. Loosen the clamp (1) and disconnect the lower radiator
hose (2).
PTIL13TLB0944AB 4
9. Disconnect all oil hoses (1) (hydraulic oil and transmis-
sion oil) from the oil cooler.
PTIL13TLB0945AB 5
PTIL13TLB1195AB 6
10. Remove the cooling pack mounting bolts (1).
11. Attach suitable lifting equipment to the radiator.
12. Raise the cooling pack just enough to move it forward
and clear the fan.
13. Make sure that you have cleared the fan from the
shroud, raise the cooling pack from the machine.
PTIL13TLB0947AB 7
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Engine - Engine cooling system
Radiator - Disassemble
1. Place cooling pack on a clean work bench.
2. Remove the cooler line mounting clamps.
3. Remove the fan shroud mounting bolts, de-aeration
tank, and radiator hoses from the radiator.
4. Replace worn or damaged components.
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Engine - Engine cooling system
Radiator - Assemble
NOTE: Refer to Radiator - Exploded view (10.400).
1. Install fan shroud bolts to the prescribed torque of
7.25 N·m (5.3 lb ft).
2. Install de-aeration tank.
3. Install radiator hoses and clamps to the prescribed
torque of 5.8 – 6.8 N·m (4.3 – 5.0 lb ft).
4. If fittings were removed from the oil cooler, install fit-
tings to the prescribed torque of 270 – 300 N·m (199.1
– 221.3 lb ft).
NOTICE: Use two wrenches to minimize the torque trans-
mitted onto the elbow brazed to the oil cooler.
5. Install the clamps to the prescribed torque of 5.6 –
7.9 N·m (4.1 – 5.8 lb ft).
6. Install the mounting brackets and tighten the mounting
bolts.
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Engine - Engine cooling system
Radiator - Install
NOTE: The photos in this procedure may be different from
your machine and are for reference only.
1. Attach suitable lifting equipment to the cooling pack.
2. Lower the assembly just in front of the fan and slowly
guide the cooling pack backward clearing the fan.
NOTE: Adjust fan shroud to obtain 20 mm (0.787 in) clear-
ance around the fan.
3. Install and tighten the mounting bolts (1).
PTIL13TLB0947AB 1
4. Connect all oil cooler hoses (1), on each side of the
assembly.
PTIL13TLB0945AB 2
PTIL13TLB1195AB 3
5. Connect the lower radiator hose (2) and tighten the
clamp (1).
PTIL13TLB0944AB 4
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Engine - Engine cooling system
6. Connect the upper radiator hose (2) and tighten the
clamp (1).
PTIL13TLB0946AB 5
7. Install the intercooler hoses (2) and tighten the clamps
(1) and tighten the radiator cap.
8. Install hood. Refer to Hood - Install (90.100).
9. Install the front grill and secure in place with the cap
screws (1).
10. Fill the radiator and de-aeration reservoir to the full
line. See Capacities for specifications.
11. Connect the battery.
12. Start the engine and allow the coolant to reach op-
erating temperature. Stop the engine and check for
leaks. After the engine cools, check the level and fill
as needed.
PTIL13TLB1194AB 6
48143704 20/04/2017
10.3 [10.400] / 10

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New holland b80 b backhoe loader service repair manual

  • 1. SERVICE MANUAL B80B Backhoe Loader Part number 48143704 1st edition English April 2017 © 2017 Case New Holland Construction Equipment (India) Private Limited. All Rights Reserved. CONSTRUCTION
  • 2. Contents INTRODUCTION Engine....................................................................................... 10 [10.001] Engine and crankcase ............................................................. 10.1 [10.254] Intake and exhaust manifolds and muffler ......................................... 10.2 [10.400] Engine cooling system ............................................................. 10.3 Transmission.............................................................................. 21 [21.100] Mechanical transmission lubrication system ....................................... 21.1 [21.112] Power shuttle transmission......................................................... 21.2 [21.134] Power shuttle transmission external controls ...................................... 21.3 [21.154] Power shuttle transmission internal components .................................. 21.4 [21.700] Torque converter ................................................................... 21.5 Front axle system ....................................................................... 25 [25.100] Powered front axle ................................................................. 25.1 [25.102] Front bevel gear set and differential ............................................... 25.2 [25.108] Final drive hub, steering knuckles, and shafts ..................................... 25.3 [25.400] Non-powered front axle ............................................................ 25.4 Rear axle system........................................................................ 27 [27.100] Powered rear axle.................................................................. 27.1 [27.106] Rear bevel gear set and differential................................................ 27.2 [27.124] Final drive hub, steering knuckles, and shafts ..................................... 27.3 Brakes and controls .................................................................... 33 [33.202] Hydraulic service brakes ........................................................... 33.1 [33.110] Parking brake or parking lock ...................................................... 33.2 Hydraulic systems....................................................................... 35 [35.000] Hydraulic systems.................................................................. 35.1 [35.300] Reservoir, cooler, and filters........................................................ 35.2 48143704 20/04/2017
  • 3. [35.104] Fixed displacement pump.......................................................... 35.3 [35.359] Main control valve.................................................................. 35.4 [35.724] Front loader hydraulic system control.............................................. 35.5 [35.701] Front loader arm hydraulic system ................................................. 35.6 [35.723] Front loader bucket hydraulic system .............................................. 35.7 [35.726] Excavator and backhoe hydraulic controls......................................... 35.8 [35.736] Boom hydraulic system ............................................................ 35.9 [35.737] Dipper hydraulic system.......................................................... 35.10 [35.738] Excavator and backhoe bucket hydraulic system................................ 35.11 [35.739] Swing arm hydraulic system ..................................................... 35.12 [35.AAA] Hydraulic systems generic sub-group ........................................... 35.13 Frames and ballasting ................................................................. 39 [39.129] Stabilizers .......................................................................... 39.1 Steering..................................................................................... 41 [41.101] Steering control .................................................................... 41.1 [41.200] Hydraulic control components...................................................... 41.2 [41.216] Cylinders ........................................................................... 41.3 Wheels...................................................................................... 44 [44.511] Front wheels........................................................................ 44.1 [44.520] Rear wheels........................................................................ 44.2 [44.AAA] Wheels generic sub-group ........................................................ 44.3 Cab climate control ..................................................................... 50 [50.100] Heating ............................................................................. 50.1 [50.200] Air conditioning..................................................................... 50.2 Electrical systems....................................................................... 55 [55.100] Harnesses and connectors......................................................... 55.1 [55.201] Engine starting system ............................................................. 55.2 [55.301] Alternator........................................................................... 55.3 48143704 20/04/2017
  • 4. [55.518] Wiper and washer system.......................................................... 55.4 Front loader and bucket............................................................... 82 [82.100] Arm................................................................................. 82.1 [82.300] Bucket.............................................................................. 82.2 Booms, dippers, and buckets ....................................................... 84 [84.114] Boom pivoting support ............................................................. 84.1 [84.910] Boom ............................................................................... 84.2 [84.912] Dipper arm ......................................................................... 84.3 Accessories ............................................................................... 88 [88.100] Accessories ........................................................................ 88.1 Platform, cab, bodywork, and decals............................................. 90 [90.150] Cab................................................................................. 90.1 [90.154] Cab doors and hatches ............................................................ 90.2 [90.156] Cab windshield and windows ...................................................... 90.3 [90.100] Engine hood and panels ........................................................... 90.4 48143704 20/04/2017
  • 6. INTRODUCTION Safety rules Personal safety This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible death or injury. Throughout this manual you will find the signal words DANGER, WARNING, and CAUTION followed by special in- structions. These precautions are intended for the personal safety of you and those working with you. Read and understand all the safety messages in this manual before you operate or service the machine. DANGER indicates a hazardous situation that, if not avoided, will result in death or serious injury. WARNING indicates a hazardous situation that, if not avoided, could result in death or serious injury. CAUTION indicates a hazardous situation that, if not avoided, could result in minor or moderate injury. FAILURE TO FOLLOW DANGER, WARNING, AND CAUTION MESSAGES COULD RESULT IN DEATH OR SERIOUS INJURY. Machine safety NOTICE: Notice indicates a situation that, if not avoided, could result in machine or property damage. Throughout this manual you will find the signal word Notice followed by special instructions to prevent machine or property damage. The word Notice is used to address practices not related to personal safety. Information NOTE: Note indicates additional information that clarifies steps, procedures, or other information in this manual. Throughout this manual you will find the word Note followed by additional information about a step, procedure, or other information in the manual. The word Note is not intended to address personal safety or property damage. 48143704 20/04/2017 3
  • 7. INTRODUCTION Safety rules DANGER Improper operation or service of this machine can result in an accident. Do not operate this machine or perform any lubrication, maintenance, or repair on it until you have read and understood the operation, lubrication, maintenance, and repair information. Failure to comply will result in death or serious injury. D0010A WARNING Maintenance hazard! Always perform all service procedures punctually at the intervals stated in this manual. This ensures optimum performance levels and maximum safety during machine operation. Failure to comply could result in death or serious injury. W0132A NOTICE: Extreme working and environmental conditions require shortened service intervals. Use Case fluids, lubricants, and filters for the best protection and performance of your machine. All fluids, lubricants, and filters must be disposed of in compliance with environmental standards and regulations. Contact your Dealer with any questions regarding the service and maintenance of this machine. Use this manual with the operator's manual to understand and perform the complete service procedures. Read the safety decals and information decals on the machine. Read the Operator’s Manual and safety manual. Understand the operation of the machine before you start any service. Before you service the machine, put a “Do Not Operate” tag on the steering wheel or over the key switch. Ensure the tag is at a location where everyone who might operate or service the machine may see clearly. Plastic and resin parts • Avoid using gasoline, paint thinner, etc. when cleaning plastic parts, console, instrument cluster, etc. • Use only water, mild soap, and a soft cloth when you clean these parts. • Using gasoline, thinners, etc. can cause discoloration, cracking, or deformation of the part being cleaned. 48143704 20/04/2017 4
  • 8. INTRODUCTION Safety rules - Ductile iron DANGER Altering cast ductile iron can cause it to weaken or break. Before you weld, cut, or drill holes on any part of this machine, make sure that the part is not cast ductile iron. Failure to comply will result in death or serious injury. D0148A Altering cast ductile iron can cause it to weaken or break. Unauthorized modifications to cast ductile iron parts can cause death or serious injury. Do not weld, cut, drill, repair, or attach items to cast ductile iron parts on this machine. Before you weld, cut, or drill holes on any part of this machine, make sure the part is not cast ductile iron. See your dealer if you do not know if a part is cast ductile iron. The following items are examples of cast ductile iron parts. There may also be other parts made of cast ductile iron that are not on the list below. • two-wheel drive steering link • dump links • front axle • stabilizers • extend-a-hoe • swing tower • bucket linkage • Air-Conditioning (A/C) compressor mounting bracket Do not make any unauthorized modifications. Consult an authorized dealer before making any changes, additions, or modifications to this machine. 48143704 20/04/2017 5
  • 10. Engine - Engine and crankcase Engine - Remove Prior operation: Refer to Basic instructions Prior operation: Refer to Hood - Remove (90.100) Prior operation: Refer to Radiator - Remove (10.400) Prior operation: Refer to Exhaust manifold - Remove (10.254) NOTE: Put identification tags on all disconnected hoses and wires. Close all disconnected hoses and fittings with caps and plugs immediately. NOTE: The images in this procedure may be different from your machine and are for reference only. ATTENTION: Allow the engine to reach normal tempera- ture before performing any service or maintenance proce- dure. Wear safety gloves and goggles for protection from hot components and fluids or severe burns could result. 1. Drain engine oil by loosening the drain nut. Collect the oil in a clean container, cap it and keep it aside in a clean place. 2. Disconnect the fuel return and inlet lines (1) from the mud filter (4) and cap them immediately. Loosen the mounting bolts (2) and remove the assem- bly (3) from the machine. PTIL13TLB0953AB 1 3. Remove the exhaust pipe (1) of the turbocharger and cap it. PTIL13TLB0956AB 2 48143704 20/04/2017 10.1 [10.001] / 3
  • 11. Engine - Engine and crankcase 4. Remove the muffler support bracket bolt (2). PTIL13TLB0957AB 3 5. Remove the bolt (1) and the muffler assembly from the engine. PTIL13TLB0958AB 4 6. Disconnect the throttle linkage (1) from the pump and set it aside. PTIL13TLB0954AB 5 7. Disconnect the coolant temperature (1), alternator, oil pressure (2) and starter connectors from engine. Remove the starter. Refer to Engine starter - Remove (55.201). PTIL13TLB0955AB 6 48143704 20/04/2017 10.1 [10.001] / 4
  • 12. Engine - Engine and crankcase 8. Remove the access cover from the flywheel housing (1). Turn the flywheel for access to the cap screws. Remove the cap screws to disconnect the torque con- verter from the engine. Connect lifting equipment to the lifting eyes on the en- gine to hold the engine in place. PTIL13TLB1470AA 7 9. Remove the bolts (1), flat washers, and nuts from the front engine mount. Loosen and remove the cap screws and flat washers that fasten the transmission to the engine. PTIL13TLB0730AB 8 Raise and remove the engine from the machine. NOTICE: Make sure that the flex plate/converter assembly stays in place on the transmission. If the engine will be separated from the transmission for an extended period of time fasten the flex plate/converter assembly in place on the transmission. PTIL13TLB0729AA 9 48143704 20/04/2017 10.1 [10.001] / 5
  • 13. Engine - Engine and crankcase Engine - Install If applicable, remove caps and plugs from previously disconnected hoses and fittings. Remove identification tags after making the hose and wire connections. NOTE: The photos in this procedure may be different from your machine and are for reference only. 1. Position the engine in the machine. NOTICE: Make sure that the flex plate/converter assembly stays in place on the transmission. PTIL13TLB0729AA 1 2. Install and tighten the flat washers and cap screws se- curing the transmission to the engine. Tighten cap screws to a torque of 52 – 57 N·m (38 – 42 lb ft). Install and tighten the front engine mounting bolts, flat washers, and nuts. Tighten the self-locking nuts to a torque of 90 – 100 N·m (66 – 74 lb ft). 3. Disconnect the lifting equipment from the lifting eyes on the engine. PTIL13TLB0730AA 2 4. Tighten the cap screws through the access in the fly- wheel housing (1) and fasten the flywheel to the flex plate. Tighten cap screws to a torque of 52 – 57 N·m (38 – 42 lb ft) when fixing the torque converter. 5. Install the access cover to the bell housing. Tighten it to a torque value of 52 – 57 N·m (38 – 42 lb ft). 6. Install the starter onto the engine. Tighten it to a torque value of 40 N·m (29 lb ft). Refer to Engine starter - Install (55.201). PTIL13TLB1470AA 3 48143704 20/04/2017 10.1 [10.001] / 6
  • 14. Engine - Engine and crankcase 7. Connect the coolant temperature (1), alternator, oil pressure (2) connectors. PTIL13TLB0955AB 4 8. Connect the fuel return and inlet lines (1) and mount the fuel filter assembly (3) by tightening the mounting bolts (2). PTIL13TLB0953AB 5 9. Connect the throttle rod (1). 10. Connect the throttle cable from the mounting bracket. 11. Connect the electrical connector for the oil pressure switch. PTIL13TLB0954AB 6 12. Install the exhaust pipe (1) of the turbocharger to the muffler end. Tighten it to a torque value of 6.5 – 7.5 N·m (4.8 – 5.5 lb ft). PTIL13TLB0956AB 7 48143704 20/04/2017 10.1 [10.001] / 7
  • 15. Engine - Engine and crankcase 13. Attach the muffler and brackets (1) to the engine. Tighten it to a torque value of 32 – 38 N·m (24 – 28 lb ft). PTIL13TLB0958AB 8 14. Install the muffler support bracket bolt (2). Tighten it to a torque value of 32 – 38 N·m (24 – 28 lb ft). PTIL13TLB0957AB 9 15. Attach the aspiration hose and the crank case venti- lation hose. 16. Install the exhaust manifold. Refer to Exhaust mani- fold - Install (10.254). 17. Install the cooling pack. Refer to Radiator - Install (10.400). 18. Fill the engine oil and cooling system up to the pre- scribed level. 19. See capacities in Capacities for specifications. 20. Install air cleaner assembly. 21. Install the hood. Refer to Hood - Install (90.100). 22. Connect the battery terminals. Refer to Basic in- structions. 23. Start the engine and keep it in idling. 24. Unlock the support strut lock and lower the loader arm. PTIL13TLB1467AB 10 48143704 20/04/2017 10.1 [10.001] / 8
  • 16. Engine - Engine and crankcase Engine - Troubleshooting NOTE: The following table lists problems and their possible causes with recommended remedial action. ATTENTION: When attending a repair the cause of the problem must also be investigated and corrected to avoid repeat failures. Problem Possible Cause Correction Engine does not develop full power Clogged air cleaner Clean or renew element Fuel line obstructed Clean Faulty injectors Clean and reset Incorrect valve clearance adjustment Clean and reset Burnt, worn or sticking valves Replace valves with new or oversize, and/or machine the valve guide bores Blown head gasket Check head flatness and fit new gasket Incorrect fuel delivery Check injectors and pump Low cylinder compression Renew piston rings or re-bore/re-sleeve as necessary Oil pressure warning light fails to operate Bulb burnt out Renew bulb Warning Light pressure switch faulty Renew pressure switch Warning light circuit faulty Check and renew wiring Excessive exhaust smoke Exhaust leak on exhaust manifold Fit new gasket Air cleaner dirty or restricted Clean Excessive fuel delivery Overall injection pump and injectors Engine knocks Diluted or thin oil Check crankshaft bearings for damage, change as required. Drain and refill with specified oil and renew filter. Ascertain cause of dilution Insufficient oil supply Check oil level and top up as necessary. Overhaul or renew pump as necessary. Check oil filter is not clogged Low oil pressure Overhaul pump or relief valve as necessary Excessive crankshaft end play Replace thrust washer Excessive connecting rod or main Install new bearing inserts and/or bearing clearance re-grind crankshaft Bent or twisted connecting rods Renew connecting rods Crankshaft journals out of round Re-grind crankshaft and fit undersize bear- ing inserts Excessive piston to cylinder Re-bore/re-sleeve block and fit i bore clear- ance new pistons Excessive piston ring clearance Fit new pistons and rings Broken rings Fit new rings, check bore and pistons for damage Excessive piston pin clearance Fit new piston or pin Piston pin retainer loose or missing Install new retainer, and check bore/pistons for damage Excessive camshaft play Install new thrust plate Imperfections on timing gear teeth Renew timing gear Excessive timing gear backlash Check and adjust backlash /renew, timing gear Engine overheats Coolant hose connection leaking or col- lapsed Tighten hose connection, renew hose if damaged Radiator cap defective or not sealing Renew radiator cap Radiator leakage Repair/renew radiator Improper fan belt adjustment Re-adjust fan belt Radiator fins restricted Clean with compressed air Faulty thermostat Renew thermostat Internal engine leakage Check for source of leakage. Renew gas- ket or defective parts Water pump faulty Overhaul water pump 48143704 20/04/2017 10.1 [10.001] / 9
  • 17. Engine - Engine and crankcase Problem Possible Cause Correction Exhaust gas leakage into cooling Renew cylinder head gasket Coolant aeration Tighten all connections and check coolant level is correct. Ensure cylinder head gas- ket has not blown Cylinder head gasket improperly installed Renew cylinder head gasket installed Hot spot due to rust and scale or clogged water jackets Reverse flush entire clogged water Obstruction to radiator air flow Remove the obstruction Extended engine idling Do not allow engine to idle for long periods Oil cooler tube blocked Clean Radiator core tubes blocked Check free flow Water temperature gauge fails to reach normal operating temperature Faulty temperature sender Renew sender switch Incorrect or faulty thermostat Renew thermostat Faulty water temperature gauge Renew temperature gauge Low oil pressure Engine oil level low Top up, as necessary Wrong grade of oil Drain and refill with correct grade of oil Blocked oil pump sump screen Clean pump screen Oil pressure relief valve faulty Fit new relief valve Oil pump worn Renew oil pump Excessive oil pump rotor and shaft assem- bly clearance Overhaul pump Excessive main or connecting rod bearing clearance Install new bearings inserts and bearing clearance or re-grind crankshaft if neces- sary Excessive oil consumption Engine oil level too high Reduce oil level External oil leaks Renew gaskets and seals, where neces- sary. Check mating surfaces for damage or distortion Worn valves, valve guides or bores Renew Cylinder head gasket leaking Renew gasket. Check head for damage or distortion Oil loss past the pistons and rings Renew rings and/or re-bore/re-sleeve block as necessary Oil cooler leak Repair/renew oil cooler assembly 48143704 20/04/2017 10.1 [10.001] / 10
  • 18. Engine - Intake and exhaust manifolds and muffler Exhaust manifold - Exploded view PTIL13TLB1200FB 1 1. Muffler 6. Bolt 2. Bracket with muffler 7. Washer 3. Screw 8. Muffler gasket 4. Washer 9. Muffler brace 5. Nylock nut 10. Nut 48143704 20/04/2017 10.2 [10.254] / 3
  • 19. Engine - Intake and exhaust manifolds and muffler PTIL13TLB1201FB 2 1. Exhaust stack 4. Washer 2. Clamp 5. Nylock nut 3. Bolt 48143704 20/04/2017 10.2 [10.254] / 4
  • 20. Engine - Intake and exhaust manifolds and muffler Exhaust manifold - Remove Put identification tags on all disconnected hoses and wires. Be prepared to cap or plug disconnected hoses and fittings. NOTE: The images in this procedure may be different from your machine and are for reference only. 1. Park the machine on a level surface. Raise the loader and lock the support strut (1) to hold the loader. Remove the battery cover and disconnect the negative battery cable from the battery and move it away from the battery terminal. Refer to Basic instructions. PTIL13TLB0935AB 1 2. Loosen the air cleaner hose clamp (1) on the tur- bocharger (2) and detach the hose (3). PTIL13TLB0950AB 2 3. Loosen the air cleaner inlet hose clamp (1) on the air cleaner (2). Detach the inlet hose (3) form the air cleaner. Disconnect crank case ventilation hose and the aspira- tion hose. PTIL13TLB1202AB 3 48143704 20/04/2017 10.2 [10.254] / 5
  • 21. Engine - Intake and exhaust manifolds and muffler 4. Remove the cap screws (1) and flat washers that fasten the fixed hood to the uprights. Remove the fixed hood and air cleaner as one assembly. PTIL13TLB0949AB 4 5. Loosen the bolts (1) and disconnect the muffler flange (2) from the turbo. PTIL13TLB0193AB 5 6. Remove the mounting hardware that secures the upper (1) and lower (2) of the muffler to the engine block. PTIL13TLB0958AB 6 PTIL13TLB0957AB 7 48143704 20/04/2017 10.2 [10.254] / 6
  • 22. Engine - Intake and exhaust manifolds and muffler 7. Remove the muffler assembly (1). PTIL13TLB1204AB 8 48143704 20/04/2017 10.2 [10.254] / 7
  • 23. Engine - Intake and exhaust manifolds and muffler Exhaust manifold - Install NOTICE: Prevent damage to the exhaust system do the following procedures in sequence. All gaps between mount- ing surfaces should be eliminated before torque sequence is started. 1. Install the muffler assembly. Torque tighten the assembly bolts (1) to the engine bracket to 32 – 38 N·m (24 – 28 lb ft). PTIL13TLB1204AB 1 2. Install the mounting hardware that secures the upper (1) and lower (2) of the muffler to the engine block. Torque tighten the bolts to 32 – 38 N·m (24 – 28 lb ft). PTIL13TLB0958AB 2 PTIL13TLB0957AB 3 48143704 20/04/2017 10.2 [10.254] / 8
  • 24. Engine - Intake and exhaust manifolds and muffler 3. Align and secure the muffler flange (2) with turbo and tighten bolts (1) to 6.5 – 7.5 N·m (4.8 – 5.5 lb ft). PTIL13TLB0193AB 4 4. Install the fixed hood and air cleaner as one assembly. Install the cap screws (1) and flat washers that fasten the fixed hood to the uprights. Connect crank case ven- tilation hose and the aspiration hose. PTIL13TLB0949AB 5 5. Attach the inlet hose (3) form the air cleaner. Tighten the air cleaner inlet hose clamp (1) on the air cleaner (2). PTIL13TLB1202AB 6 6. Attach the hose (3) and tighten the air cleaner hose clamp (1) on the turbocharger (2) end. 7. Install the battery cover and connect battery. Refer to Basic instructions. PTIL13TLB0950AB 7 48143704 20/04/2017 10.2 [10.254] / 9
  • 25. Engine - Intake and exhaust manifolds and muffler 8. Start the machine. Unlock the support strut (1) and lower the loader. PTIL13TLB0935AB 8 48143704 20/04/2017 10.2 [10.254] / 10
  • 26. Thank you very much for your reading. Please Click Here. Then Get COMPLETE MANUAL. NO WAITING NOTE: If there is no response to click on the link above, please download the PDF document first and then click on it.
  • 27. Engine - Engine cooling system Radiator - Exploded view PTIL13TLB1205FB 1 1. Upper radiator seal 6. Bolt 2. Recovery tank bracket 7. Nut 3. Intercooler tube support bracket LH 8. Lower radiator seal 4. Intercooler tube support bracket RH 9. Hexagonal screw 5. Washer 48143704 20/04/2017 10.3 [10.400] / 3
  • 28. Engine - Engine cooling system PTIL13TLB1206FB 2 1. Washer 7. Hose clamp 2. Bolt 8. Clamp 3. Nut 9. Washer 4. Recovery tank 10. Hexagonal screw 5. Recovery tank hose 11. Grommet 6. Radiator overflow hose 48143704 20/04/2017 10.3 [10.400] / 4
  • 29. Engine - Engine cooling system Radiator - Remove NOTE: The photos in this procedure may be different from your machine and are for reference only. Put identification tags on all disconnected hoses and wires. Close disconnected hoses and fittings with caps and plugs. 1. Park the machine on a level surface. Refer to “Raise and support loader lift arms” in Basic instructions. Al- low the engine to cool. 2. Disconnect negative terminal. Refer to Basic instruc- tions. 3. Remove the hood. Refer to Hood - Remove (90.100) for the procedure. 4. Loosen the clamps (1) and disconnect the intercooler hoses (2). Slowly remove the radiator cap (3). PTIL13TLB1194AB 1 ATTENTION: Hot coolant can escape if the coolant reser- voir cap is removed while the system is still hot. Allow the system to cool down completely before removing the cap. 5. Install a hose on the drain valve (1) and drain the radi- ator into a clean container of suitable capacity. 6. Wait for the coolant to drain out completely. PTIL13TLB0942AB 2 7. Loosen the clamp (1) and disconnect the upper radiator hose (2). PTIL13TLB0946AB 3 48143704 20/04/2017 10.3 [10.400] / 5
  • 30. Engine - Engine cooling system 8. Loosen the clamp (1) and disconnect the lower radiator hose (2). PTIL13TLB0944AB 4 9. Disconnect all oil hoses (1) (hydraulic oil and transmis- sion oil) from the oil cooler. PTIL13TLB0945AB 5 PTIL13TLB1195AB 6 10. Remove the cooling pack mounting bolts (1). 11. Attach suitable lifting equipment to the radiator. 12. Raise the cooling pack just enough to move it forward and clear the fan. 13. Make sure that you have cleared the fan from the shroud, raise the cooling pack from the machine. PTIL13TLB0947AB 7 48143704 20/04/2017 10.3 [10.400] / 6
  • 31. Engine - Engine cooling system Radiator - Disassemble 1. Place cooling pack on a clean work bench. 2. Remove the cooler line mounting clamps. 3. Remove the fan shroud mounting bolts, de-aeration tank, and radiator hoses from the radiator. 4. Replace worn or damaged components. 48143704 20/04/2017 10.3 [10.400] / 7
  • 32. Engine - Engine cooling system Radiator - Assemble NOTE: Refer to Radiator - Exploded view (10.400). 1. Install fan shroud bolts to the prescribed torque of 7.25 N·m (5.3 lb ft). 2. Install de-aeration tank. 3. Install radiator hoses and clamps to the prescribed torque of 5.8 – 6.8 N·m (4.3 – 5.0 lb ft). 4. If fittings were removed from the oil cooler, install fit- tings to the prescribed torque of 270 – 300 N·m (199.1 – 221.3 lb ft). NOTICE: Use two wrenches to minimize the torque trans- mitted onto the elbow brazed to the oil cooler. 5. Install the clamps to the prescribed torque of 5.6 – 7.9 N·m (4.1 – 5.8 lb ft). 6. Install the mounting brackets and tighten the mounting bolts. 48143704 20/04/2017 10.3 [10.400] / 8
  • 33. Engine - Engine cooling system Radiator - Install NOTE: The photos in this procedure may be different from your machine and are for reference only. 1. Attach suitable lifting equipment to the cooling pack. 2. Lower the assembly just in front of the fan and slowly guide the cooling pack backward clearing the fan. NOTE: Adjust fan shroud to obtain 20 mm (0.787 in) clear- ance around the fan. 3. Install and tighten the mounting bolts (1). PTIL13TLB0947AB 1 4. Connect all oil cooler hoses (1), on each side of the assembly. PTIL13TLB0945AB 2 PTIL13TLB1195AB 3 5. Connect the lower radiator hose (2) and tighten the clamp (1). PTIL13TLB0944AB 4 48143704 20/04/2017 10.3 [10.400] / 9
  • 34. Engine - Engine cooling system 6. Connect the upper radiator hose (2) and tighten the clamp (1). PTIL13TLB0946AB 5 7. Install the intercooler hoses (2) and tighten the clamps (1) and tighten the radiator cap. 8. Install hood. Refer to Hood - Install (90.100). 9. Install the front grill and secure in place with the cap screws (1). 10. Fill the radiator and de-aeration reservoir to the full line. See Capacities for specifications. 11. Connect the battery. 12. Start the engine and allow the coolant to reach op- erating temperature. Stop the engine and check for leaks. After the engine cools, check the level and fill as needed. PTIL13TLB1194AB 6 48143704 20/04/2017 10.3 [10.400] / 10