This service manual section contains information about the JCB ecoMax engine, including its basic description, identification of main internal components, technical data, health and safety considerations, and procedures for draining/filling, cleaning, checking, removing/installing, and storing/recommissioning the engine. The manual provides diagrams and descriptions to aid in servicing the engine.
Jcb t2 t3 elec engine 4 cyl service repair manualujfjjskekkksmem
This service manual section contains information about a JCB T2/3 Elec Engine, including:
- The engine is a 4 cylinder diesel with common rail fuel injection and variable geometry turbocharger.
- It provides identification of major external and internal engine components and their functions.
- Safety precautions are outlined for working on hot components and ensuring proper PPE and procedures.
- Technical specifications of engine variants including displacement, cylinder arrangement, valve clearances and more.
Liebherr r964 c 1447 hydraulic excavator service repair manualfjjskekrtfsmem
The document is a service manual that provides technical information for maintenance and repair of Liebherr hydraulic excavators. It contains sections on the engine, hydraulic and electrical systems, undercarriage, and other components. Symbols are used to indicate dangers, warnings, and important notes. The manual is intended to assist customer support and training, but does not replace proper technical qualifications or training.
Liebherr r964 c 1377 hydraulic excavator service repair manualfjjskekrtfsmem
The document is a service manual that provides technical information for maintenance and repair of Liebherr hydraulic excavators. It contains sections on the engine, hydraulic and electrical systems, undercarriage, and other components. Symbols are used to indicate dangers, warnings, and important notes. The manual is intended to assist customer support and training, but does not replace proper technical qualifications or training.
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This document is a service manual for an MJFCIFSS machine. It contains sections covering technical data, maintenance instructions, and descriptions of the drive group, cooling system, hydraulics, electrical system, travel gearbox, steel parts, operator cab, lubrication system, slewing gearbox, and diagnosis procedures. The manual is copyrighted by MJFCIFSS.
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Liebherr er 932 hydraulic excavator service repair manualfjjskekrtfsmem
The document is a service manual that provides technical data, maintenance guidelines, and information on systems for hydraulic excavators models ER 900-942. It covers general information, tools, the engine, coupling and splitterbox, hydraulic system, hydraulic components, electrical system, swing gear, swing ring, travel gear, track components, undercarriage and uppercarriage attachments, cab heater and air conditioning. The manual is intended to assist with maintenance and repairs for the excavator models.
Jcb js175 w wheeled excavator service repair manual (from 2143159 to 2143459;...fjjskekrtfsmem
This service manual section provides information about servicing the engine on JCB wheeled excavators. It includes identification of major engine components both internal and external. Safety precautions are outlined regarding working on hot components and ensuring proper PPE. Technical specifications of the engine such as cylinder arrangement, displacement, valve clearances and lubricating oil pressure parameters are provided.
Jcb t2 t3 elec engine 4 cyl service repair manualujfjjskekkksmem
This service manual section contains information about a JCB T2/3 Elec Engine, including:
- The engine is a 4 cylinder diesel with common rail fuel injection and variable geometry turbocharger.
- It provides identification of major external and internal engine components and their functions.
- Safety precautions are outlined for working on hot components and ensuring proper PPE and procedures.
- Technical specifications of engine variants including displacement, cylinder arrangement, valve clearances and more.
Liebherr r964 c 1447 hydraulic excavator service repair manualfjjskekrtfsmem
The document is a service manual that provides technical information for maintenance and repair of Liebherr hydraulic excavators. It contains sections on the engine, hydraulic and electrical systems, undercarriage, and other components. Symbols are used to indicate dangers, warnings, and important notes. The manual is intended to assist customer support and training, but does not replace proper technical qualifications or training.
Liebherr r964 c 1377 hydraulic excavator service repair manualfjjskekrtfsmem
The document is a service manual that provides technical information for maintenance and repair of Liebherr hydraulic excavators. It contains sections on the engine, hydraulic and electrical systems, undercarriage, and other components. Symbols are used to indicate dangers, warnings, and important notes. The manual is intended to assist customer support and training, but does not replace proper technical qualifications or training.
Liebherr r960 demolition 1787 hydraulic excavator service repair manualfjjskekrtfsmem
This document is a service manual that covers maintenance and repair for various systems of an industrial machine. It includes sections on technical data, maintenance procedures, drive systems, cooling systems, hydraulics, electrical systems, gearboxes, and other components. The manual provides instructions and specifications to service the machine.
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This document is a service manual for an MJFCIFSS machine. It contains sections covering technical data, maintenance instructions, and descriptions of the drive group, cooling system, hydraulics, electrical system, travel gearbox, steel parts, operator cab, lubrication system, slewing gearbox, and diagnosis procedures. The manual is copyrighted by MJFCIFSS.
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This document is a service manual for an MJFCIFSS machine. It contains sections covering technical data, maintenance instructions, and descriptions of the drive group, cooling system, hydraulics, electrical system, travel gearbox, steel parts, operator cab, lubrication system, slewing gearbox, and diagnosis procedures. The manual is copyrighted by MJFCIFSS.
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The document is a service manual that provides technical data, maintenance guidelines, and information on systems for hydraulic excavators models ER 900-942. It covers general information, tools, the engine, coupling and splitterbox, hydraulic system, hydraulic components, electrical system, swing gear, swing ring, travel gear, track components, undercarriage and uppercarriage attachments, cab heater and air conditioning. The manual is intended to assist with maintenance and repairs for the excavator models.
Jcb js175 w wheeled excavator service repair manual (from 2143159 to 2143459;...fjjskekrtfsmem
This service manual section provides information about servicing the engine on JCB wheeled excavators. It includes identification of major engine components both internal and external. Safety precautions are outlined regarding working on hot components and ensuring proper PPE. Technical specifications of the engine such as cylinder arrangement, displacement, valve clearances and lubricating oil pressure parameters are provided.
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This document is an operation and maintenance manual for a TH580B telehandler. It contains important safety information and instructions for operating, maintaining, and repairing the machine safely and properly. The manual instructs the operator to read it fully before operating the machine and warns that improper operation or maintenance can result in injury or death. It provides guidelines for safe practices, identifies hazard areas, and lists maintenance procedures and intervals to keep the machine in good working condition.
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Caterpillar cat th360 b telehandler operator and maintenance manual sn tbh001...fjjskekrtfsmem
This operation and maintenance manual provides important safety information, operating instructions, maintenance instructions, and specifications for a TH360B Telehandler machine. The manual instructs operators on safe operation, daily inspection, machine controls, monitoring systems, engine starting, parking, transportation, and maintenance procedures on a periodic schedule. It identifies safety labels and messages throughout the machine and warns that unauthorized modifications can affect safety certifications.
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This document is a service manual for a TH255C model forklift. It provides safety information and instructions, specifications, maintenance schedules and procedures for various components of the forklift including the boom, cab, axles, transmission and more. The manual is intended to guide maintenance and repair of the forklift. Serial numbers indicated apply to the models covered.
Caterpillar cat th255 c telehandler service repair manual sn jk200150 to presentfjjskekrtfsmem
This document is a service manual for a TH255C model forklift. It provides safety information and instructions, specifications, maintenance schedules and procedures for various components of the forklift including the boom, cab, axles, transmission, and other systems. The manual is intended to guide maintenance and repair of the forklift. It details the intended use, maintenance, and troubleshooting of each major component to ensure safe and proper operation.
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This document provides disassembly instructions for the final drive carriers, hubs, and brakes of the front and rear axles of a M316D Wheeled Excavator. It lists the required tools and presents step-by-step instructions and illustrations for removing components such as carrier housings, planetary gears, pistons, discs, seals, bearings, and other parts. Safety notices are included to handle fluids and released spring forces properly during the disassembly process.
Jcb js115 excavator service repair manual sn 2397465 and upfjjskekrtfsmem
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Jcb 536 60 tier 4 telescopic handler service repair manual sn from 2336575 on...fjjskekrtfsmem
This document provides service and repair instructions for fuel injectors in JCB Loadall vehicles. It describes injector components and identification, includes a check procedure using diagnostic tools, and outlines removal and installation steps. Special tools are required for tasks like leak testing and installing injector seals. Torque specifications are provided for tightening injector clamps and sleeves.
Jcb 535 95 tier 4 telescopic handler service repair manual sn from 2902000 on...fjjskekrtfsmem
This document provides service and repair instructions for fuel injectors in JCB Loadall vehicles. It describes injector components and identification, includes a check procedure using diagnostic tools, and outlines removal and installation steps. Special tools are required for tasks like leak testing and installing injector seals. Torque specifications are provided for tightening injector clamps and sleeves.
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This service manual provides instructions and technical specifications for JCB machines 411HT, 413S, and 417HT. It contains sections covering the machine, attachments, body, operator station, HVAC, engine, fuel/exhaust systems, cooling, brakes, steering, driveline, hydraulics, and electrical systems. The document reviewed the exhaust system components, including the inlet manifold, outlet manifold, turbocharger, and provided removal and installation instructions as well as checks for condition and proper operation. Safety warnings were provided throughout regarding exhaust gases, sparks, hot components, and hazardous atmospheres.
Ever been troubled by the blinking sign and didn’t know what to do?
Here’s a handy guide to dashboard symbols so that you’ll never be confused again!
Save them for later and save the trouble!
Caterpillar cat th580 b telehandler operator and maintenance manual sn tbj001...fjjskekrtfsmem
This document is an operation and maintenance manual for a TH580B telehandler. It contains important safety information and instructions for operating, maintaining, and repairing the machine safely and properly. The manual instructs the operator to read it fully before operating the machine and warns that improper operation or maintenance can result in injury or death. It provides guidelines for safe practices, identifies hazard areas, and lists maintenance procedures and intervals to keep the machine in good working condition.
Jcb js160 w wheeled excavator service repair manual (from 2143159 to 2143459;...fjjskekrtfsmem
This document provides information about servicing JCB wheeled excavators. It contains sections on the machine, attachments, body, operator station, HVAC, engine, fuel/exhaust, cooling, brakes, steering, driveline, hydraulics, and electrical systems. The section on the engine provides details on health and safety, technical data, component identification, operation, maintenance procedures, and storage for the engine. It includes diagrams labeling external and internal engine parts and describes the four-stroke operating cycle.
Caterpillar cat th406 c telehandler operator and maintenance manualfjjskekrtfsmem
This document provides an operation and maintenance manual for several models of JLG telehandlers. It contains important safety information and instructions for pre-operation inspection, operation of controls and indicators, and maintenance procedures. The manual should be kept with the machine at all times. Operators must be trained and qualified, and follow all safety guidelines and procedures contained in this manual. Unauthorized modifications could affect safety compliance.
Caterpillar cat th360 b telehandler operator and maintenance manual sn tbh001...fjjskekrtfsmem
This operation and maintenance manual provides important safety information, operating instructions, maintenance instructions, and specifications for a TH360B Telehandler machine. The manual instructs operators on safe operation, daily inspection, machine controls, monitoring systems, engine starting, parking, transportation, and maintenance procedures on a periodic schedule. It identifies safety labels and messages throughout the machine and warns that unauthorized modifications can affect safety certifications.
Caterpillar cat th255 c telehandler service repair manual sn jk300150 to presentfjjskekrtfsmem
This document is a service manual for a TH255C model forklift. It provides safety information and instructions, specifications, maintenance schedules and procedures for various components of the forklift including the boom, cab, axles, transmission and more. The manual is intended to guide maintenance and repair of the forklift. Serial numbers indicated apply to the models covered.
Caterpillar cat th255 c telehandler service repair manual sn jk200150 to presentfjjskekrtfsmem
This document is a service manual for a TH255C model forklift. It provides safety information and instructions, specifications, maintenance schedules and procedures for various components of the forklift including the boom, cab, axles, transmission, and other systems. The manual is intended to guide maintenance and repair of the forklift. It details the intended use, maintenance, and troubleshooting of each major component to ensure safe and proper operation.
Caterpillar cat m316 d wheeled excavator (prefix p6k) service repair manual (...fjjskekrtfsmem
This document provides disassembly instructions for the final drive carriers, hubs, and brakes of the front and rear axles of a M316D Wheeled Excavator. It lists the required tools and presents step-by-step instructions and illustrations for removing components such as carrier housings, planetary gears, pistons, discs, seals, bearings, and other parts. Safety notices are included to handle fluids and released spring forces properly during the disassembly process.
Jcb js115 excavator service repair manual sn 2397465 and upfjjskekrtfsmem
The document provides a service manual for excavator tracks. It includes sections on track components, measuring wear using technical data tables, adjusting tracks, removing and installing tracks, and storing tracks. Procedures are provided for measuring wear of links, pins, bushes and pitch to determine wear percentages and necessary maintenance. Track tension should be checked regularly and adjusted according to specifications to maximize service life.
Caterpillar cat d6 h track type tractor (prefix 6fc) service repair manual (6...fjjskekrtfsmem
The document provides instructions for servicing a D6H track-type tractor. It begins by stating that the tractor must be on level, hard ground before separating the track roller frames. It then provides detailed steps for removing and installing the track roller frames and idlers. The removal process involves using various tools to support the frame and separate components. Reinstallation follows the reverse process.
Jcb 540 200 telescopic handler service repair manual sn from 2460601 onwardsfjjskekrtfsmem
This service manual provides instructions for servicing the Loadall rough terrain variable reach truck. It contains sections on the machine body and framework, operator station, engine, fuel and exhaust, cooling, brake, steering, hydraulic and electrical systems. The engine section provides technical data and instructions for servicing parts like the valves, connecting rods, pistons, and more. Proper safety procedures and use of specialized tools are emphasized throughout.
Jcb 540 170 telescopic handler service repair manual sn from 2902000 onwardsfjjskekrtfsmem
This service manual provides instructions for servicing the loadall rough terrain variable reach truck. It contains sections on the machine systems including the engine, fuel system, cooling system, brake system, hydraulic system and electrical system. The section summarized focuses on servicing the engine valves and connecting rod big-end bearings. It provides removal and installation instructions, component identification diagrams, and technical specifications for the valves and instructions to check the big-end bearings for wear. Safety information is also provided to ensure the work is performed correctly.
Jcb 536 60 tier 4 telescopic handler service repair manual sn from 2336575 on...fjjskekrtfsmem
This document provides service and repair instructions for fuel injectors in JCB Loadall vehicles. It describes injector components and identification, includes a check procedure using diagnostic tools, and outlines removal and installation steps. Special tools are required for tasks like leak testing and installing injector seals. Torque specifications are provided for tightening injector clamps and sleeves.
Jcb 535 95 tier 4 telescopic handler service repair manual sn from 2902000 on...fjjskekrtfsmem
This document provides service and repair instructions for fuel injectors in JCB Loadall vehicles. It describes injector components and identification, includes a check procedure using diagnostic tools, and outlines removal and installation steps. Special tools are required for tasks like leak testing and installing injector seals. Torque specifications are provided for tightening injector clamps and sleeves.
Jcb 411 ht, 413s, 417ht wheel loader service repair manual from 2094871 to 20...fjjskekrtfsmem
This service manual provides instructions and technical specifications for JCB machines 411HT, 413S, and 417HT. It contains sections covering the machine, attachments, body, operator station, HVAC, engine, fuel/exhaust systems, cooling, brakes, steering, driveline, hydraulics, and electrical systems. The document reviewed the exhaust system components, including the inlet manifold, outlet manifold, turbocharger, and provided removal and installation instructions as well as checks for condition and proper operation. Safety warnings were provided throughout regarding exhaust gases, sparks, hot components, and hazardous atmospheres.
Ever been troubled by the blinking sign and didn’t know what to do?
Here’s a handy guide to dashboard symbols so that you’ll never be confused again!
Save them for later and save the trouble!
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Unlock the secrets behind your Mercedes Sprinter's uphill power loss with our comprehensive presentation. From fuel filter blockages to turbocharger troubles, we uncover the culprits and empower you to reclaim your vehicle's peak performance. Conquer every ascent with confidence and ensure a thrilling journey every time.
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2. 15 - Engine
00 - General
00 - General
15 - 3 9813/2650-3 15 - 3
00 - General
Introduction ...................................................... 15-3
Health and Safety ........................................... 15-7
Technical Data ................................................. 15-8
Component Identification ............................... 15-10
Operation ....................................................... 15-14
Drain and Fill ................................................. 15-18
Clean ............................................................. 15-18
Check (Operation) ......................................... 15-19
Check (Pressure) .......................................... 15-20
Remove and Install ....................................... 15-22
Store and Recommission .............................. 15-26
Introduction
This section contains information about the complete
engine assembly. For specific engine technical
information refer to the technical data section.
Make sure that the correct engine service tools,
consumables and torque figures are used when you
perform service procedures.
Renewal of oil seals, gaskets, etc., and any
component showing obvious signs of wear or
damage is expected as a matter of course.
It is expected that components will be cleaned and
lubricated where appropriate, and that any opened
hose or pipe connections will be blanked to prevent
excessive loss of hydraulic fluid, engine oil and
ingress of dirt.
Basic Description
The JCB ecoMax engine is a 4 cylinder diesel engine
in which the fuel is ignited by compression ignition.
The engine operates on a four stroke cycle.
The engine is started by an electric starter motor. The
starter motor turns the engine via a pinion and teeth
on the engine flywheel, refer to (PIL 15-75).
When the engine runs the crankshaft drives the
camshaft via gears. The camshaft opens and closes
the inlet and exhaust valves and via push rods in time
with the four stroke cycle. The engine has 16 valves,
2 inlet and 2 exhaust valves for each cylinder.
The crankshaft also drives a high pressure fuel pump
via gears. The pump is part of the electronically
controlled common rail fuel injection system, refer to
(PIL 18-00).
Air is drawn into the engine, via the inlet manifold
and exhaust gases exit via the exhaust manifold.
The engine uses a VGT (Variable Geometry
Turbocharger) which pressurises the air at the inlet
manifold, refer to (PIL 18-36).
A mechanical lubrication oil pump is driven by
the crankshaft via gears. The pump pressurises
and circulates oil for engine lubrication and cooling
purposes.
A drive belt driven by the crankshaft, drives a
coolant circulation pump, alternator, radiator cooling
fan and other ancillaries such as an air conditioning
compressor.
6. 15 - Engine
00 - General
00 - General
15 - 7 9813/2650-3 15 - 7
Health and Safety
Hot Components
Touching hot surfaces can burn skin. The engine and
machine components will be hot after the unit has
been running. Allow the engine and components to
cool before servicing the unit.
Turning the Engine
Do not try to turn the engine by pulling the fan or fan
belt. This could cause injury or premature component
failure.
Notice: The engine and other components could
be damaged by high pressure washing systems.
Special precautions must be taken if the machine is
to be washed using a high pressure system.Make
sure that the alternator, starter motor and any other
electrical components are shielded and not directly
cleaned by the high pressure cleaning system. Do
not aim the water jet directly at bearings, oil seals or
the engine air induction system.
WARNING! To bleed the injectors you must turn the
engine. When the engine is turning, there are parts
rotating in the engine compartment.Before starting
this job make sure that you have no loose clothing
(cuffs, ties etc) which could get caught in rotating
parts.When the engine is turning, keep clear of
rotating parts.
Notice: Clean the engine before you start
engine maintenance. Obey the correct procedures.
Contamination of the fuel system will cause damage
and possible failure of the engine.
Notice: Do not exceed the correct level of engine
oil in the sump. If there is too much engine oil,
the excess must be drained to the correct level. An
excess of engine oil could cause the engine speed
to increase rapidly without control.
WARNING! The engine has exposed rotating parts.
Switch off the engine before working in the engine
compartment. Do not use the machine with the
engine cover open.
WARNING! Hot oil and engine components can burn
you. Make sure the engine is cool before doing
this job.Used engine crankcase lubricants contain
harmful contaminants. In laboratory tests it was
shown that used engine oils can cause skin cancer.
Notice: A drive belt that is loose can cause damage
to itself and/or other engine parts.
WARNING! Do not open the high pressure fuel
system with the engine running. Engine operation
causes high fuel pressure. High pressure fuel spray
can cause serious injury or death.
CAUTION! It is illegal to pollute drains, sewers
or the ground. Clean up all spilt fluids and/or
lubricants.Used fluids and/or lubricants, filters and
contaminated materials must be disposed of in
accordance with local regulations. Use authorised
waste disposal sites.
7. 15 - Engine
00 - General
00 - General
15 - 8 9813/2650-3 15 - 8
Technical Data
Table 31.
Description SL Engine SH Engine DH Engine
Engine Variants Turbocharged with inter-
cooler
Turbocharged with Inter-
cooler
Turbocharged with Inter-
cooler
Emission compliance US-EPA Tier 4 Final, EU
Stage IV
US-EPA Tier 4i, EU Stage
IIIB
US-EPA Tier 4i, EU Stage
IIIB
Rated speed 2200 RPM (Revolutions
Per Minute)
2200 RPM 2200 RPM (108kW), 2050
RPM (129kW)
Weight (Dry) (Dry weight-No cooling
fan drive) 496kg
(Dry weight-No cooling
fan drive) 496kg
(Dry weight-No cooling
fan drive) 496kg
Number of cylinders 4 4 4
Nominal bore size 103mm 103mm 106mm
Stroke 132mm 132mm 135mm
Cylinder arrangement In line In line In line
Combustion Cycle 4-stroke 4-stroke 4-stroke
Firing order 1-3-4-2 1-3-4-2 1-3-4-2
Displacement 4.399L 4.399L 4.765L
Compression ratio 16.7: 1 16.7: 1 16.7: 1
Engine Compression Compression variance
between each cylinder
should be no greater than
3.5bar (50.7psi)
Compression variance
between each cylinder
should be no greater than
3.5bar (50.7psi)
Compression variance
between each cylinder
should be no greater than
3.5bar (50.7psi)
Direction of rotation
(viewed from front {crank-
shaft pulley} end)
Clockwise Clockwise Clockwise
Valves 4 per cylinder 4 per cylinder 4 per cylinder
Valve clearances mea-
sured at the tappet end
of the rockers (measured
cold)
- Inlet 0.23–0.04mm 0.23–0.04mm 0.23–0.04mm
- Exhaust 0.6–0.04mm 0.6–0.04mm 0.6–0.04mm
Lubricating oil pressure
(Dependent on engine
temperature and speed)
1.6–6.5bar (23.2–94.2psi) 1.6–6.5bar (23.2–94.2psi) 1.6–6.5bar (23.2–94.2psi)
Filter type Screw-on canister (with
drain facility)
Screw-on canister (with
drain facility)
Screw-on canister (with
drain facility)
Pressure to open by-pass
valve
- 1.6bar (23.2psi) 1.6bar (23.2psi)
Oil pressure relief valve
setting
6bar (87.0psi) 6bar (87.0psi) 6bar (87.0psi)
Oil pressure switch set-
ting
0.6bar (8.7psi) falling 0.6bar (8.7psi) falling 0.6bar (8.7psi) falling
Oil pump
(1)
Integral unit with relief
valve
Integral unit with relief
valve
Integral unit with relief
valve
8. 15 - Engine
00 - General
00 - General
15 - 9 9813/2650-3 15 - 9
Description SL Engine SH Engine DH Engine
Combustion system Common rail direct Injec-
tion
Common rail direct Injec-
tion
Common rail direct Injec-
tion
High pressure fuel pump High pressure with elec-
tronically controlled fuel
metering
High pressure with elec-
tronically controlled fuel
metering
High pressure with elec-
tronically controlled fuel
metering
(1) The oil pump is a non-serviceable part
9. 15 - Engine
00 - General
00 - General
15 - 10 9813/2650-3 15 - 10
Component Identification
External
The following identifies the main components of a
typical engine assembly visible from the exterior.
Some variants may differ in detail.
Figure 94. Left hand Side
4
10
923
8
5
13
19
14
12
20
17
15
622
7
21
18
11
16
1
2
3
1 Rocker cover 2 Fuel injectors and high pressure fuel pipes
3 Lubrication oil filler cap 4 Timing gear case
5 Flywheel housing 6 Bedplate
7 Lubrication oil sump 8 EGR (Exhaust Gas Recirculation) cooler
9 Air inlet manifold 10 High pressure fuel pump
11 Fuel filter 12 Lubrication oil filler cap
13 Lubrication oil filter 14 Lubrication oil cooler housing
11. 15 - Engine
00 - General
00 - General
15 - 12 9813/2650-3 15 - 12
7 Exhaust manifold 8 Alternator
9 Coolant pump housing (crankcase) 10 Coolant inlet/radiator hose connector
11 Heavy duty PTO (blanking cover if no device
is installed)
12 Starter motor assembly
13 Turbocharger oil drain pipe 14 Turbocharger oil feed pipe
15 Oil drain plug (sump) 16 Cab heater connections
Figure 96. Front End
1
2
12
3
4
5
8
10
11
9
6
7
1 Rocker cover 2 Cylinder head
3 Crankcase 4 Bedplate
5 Lubrication oil sump 6 Crankshaft pulley
7 FEAD tensioner 8 Coolant pump and drive pulley assembly
9 Alternator and drive pulley assembly 10 Coolant thermostat housing/radiator hose
connector
11 VGT 12 Coolant temperature sensor
12. 15 - Engine
00 - General
00 - General
15 - 13 9813/2650-3 15 - 13
Figure 97. Rear End
1 Rocker cover 2 Cylinder head
3 Flywheel 4 High pressure fuel pump drive gear cover
5 Flywheel housing 6 Engine electrical harness
7 VGT linkage 8 VGT actuator
9 Turbocharger 10 EGR valve
11 EGR co-axial cooler 12 EGR plate cooler
13 EGR water cooler pipe 14 Low pressure return pipe to tank
13. 15 - Engine
00 - General
00 - General
15 - 14 9813/2650-3 15 - 14
Operation
The Four Stroke Cycle - 4 Cylinder
Engine
This section describes the cycle sequence, for the 4
cylinder engine.
With the crankshaft positioned as shown, the pistons
in numbers 1 and 4 cylinders are at top dead centre
and pistons in numbers 2 and 3 cylinders are at
bottom dead centre.
It is important to note that number 1 cylinder is firing
and about to start its power stroke. Rotating the
crankshaft a further full rotation would position the
pistons as described but the engine would be at a
different stage in its four stroke cycle, with number 1
cylinder about to start its Induction stroke.
The stages in the four stroke cycle for each cylinder
are as follows:
Table 32. The Four Stroke Cycle
Stage number Piston operation Valve operation
1 The piston is at the top of its Com-
pression stroke and is about to
start its Power stroke.
Inlet and exhaust valves closed
2 The piston is at the bottom of its
Power stroke and is about to start
its Exhaust stroke.
Inlet valves closed, exhaust valves
about to open
3 The piston is at the bottom of its In-
duction stroke and is about to start
its Compression stroke.
Exhaust valves closed, inlet valves
about to close
4 The piston is at the top of its Ex-
haust stroke and is about to start
its Induction stroke.
Valve Operation Exhaust valves
about to close, inlet valves about to
open
Firing Order
A cylinder is said to be firing, when the fuel / air
mixture ignites and the piston is about to start its
power stroke.
From the stages described, it can be seen that
number 1 cylinder will be next to fire. Number 3
cylinder is starting its compression stroke and is next
in the cycle, followed by cylinders 4 and 2.
The firing order is therefore; 1, 3, 4, 2.
14. 15 - Engine
00 - General
00 - General
15 - 15 9813/2650-3 15 - 15
Figure 98.
745620
CYL1 CYL2 CYL3 CYL4
A A A A
B
F
C
B
C
B
B
C
C
C B
G
G
H
H
J
J
K
K
C B C B C B
4
5
2
3
A
1
745620
CYL1 Cylinder number 1 CYL2 Cylinder number 2
CYL3 Cylinder number 3 CYL4 Cylinder number 4
A Camshaft B Camshaft lobe - Inlet valve operation
C Camshaft lobe - Exhaust valve operation F Front of engine
1 Exhaust valves 2 Inlet valves
3 Crankshaft 4 Crankshaft gear
5 Camshaft drive gear
15. 15 - Engine
00 - General
00 - General
15 - 16 9813/2650-3 15 - 16
Four Stroke Cycle
Induction
As the piston travels down the cylinder, it draws
filtered air through inlet valves into the cylinder.
Compression
When the piston reaches the bottom of its stroke the
inlet valves close. The piston then starts to rise up the
cylinder compressing the air trapped in the cylinder.
This causes the temperature and pressure of the air
to rise. Fuel is injected into the cylinder when the
piston is near to top dead centre.
Power
The piston continues to rise after the start of fuel
injection causing a further increase in pressure and
temperature.
The temperature rises to a point at which the fuel/air
mixture ignites. A cylinder is said to be firing, when
the fuel/air mixture ignites.
This combustion causes a very rapid rise in
both temperature and pressure. The high pressure
generated propels the piston downward turning the
crankshaft and producing energy.
Exhaust
Once the piston has reached the bottom of its travel,
the exhaust valves open and momentum stored
in the flywheel forces the piston up the cylinder
expelling the exhaust gases.
In a running engine these four phases are
continuously repeated. Each stroke is half a
revolution of the crankshaft, thus, in one cycle of a
four stroke engine, the crankshaft revolves twice.
Figure 99.
3
2
41
B
C
746030
1 Induction stroke
2 Compression stroke
3 Power stroke
4 Exhaust stroke
A Camshaft
B Camshaft lobe - Inlet valve operation
C Camshaft lobe - Exhaust valve operation
BDC Bottom dead centre
TDC TDC (Top Dead Centre)
16. 15 - Engine
00 - General
00 - General
15 - 17 9813/2650-3 15 - 17
Figure 100.
717620
1 2 3 4
A A A A
B C
BC B BC
C
1 Induction stroke 2 Compression stroke
3 Power stroke 4 Exhaust stroke
A Camshaft B Camshaft lobe - Inlet valve operation
C Camshaft lobe - Exhaust valve operation
17. 15 - Engine
00 - General
00 - General
15 - 18 9813/2650-3 15 - 18
Drain and Fill
Refer to Engine, Oil Filter, (PIL 15-21-00).
Clean
Notice: Clean the engine before you start engine
maintenance. Obey the correct procedures.
Contamination of the fuel system will cause
damage and possible failure of the engine.
Notice: The engine and other components could
be damaged by high pressure washing systems.
Special precautions must be taken if the machine
is to be washed using a high pressure system.
Make sure that the alternator, starter motor and
any other electrical components are shielded
and not directly cleaned by the high pressure
cleaning system. Do not aim the water jet directly
at bearings, oil seals or the engine air induction
system.
Before carrying out any service procedures that
require components to be removed, the engine must
be properly cleaned.
Cleaning must be carried out either in the area of
components to be removed or, in the case of major
work, or work on the fuel system, the whole engine
and surrounding machine must be cleaned.
Stop the engine and allow it to cool for at least one
hour. DO NOT attempt to clean any part of the engine
while it is running.
1. Make sure that the electrical system is isolated.
2. Make sure that all electrical connectors are
correctly coupled. If connectors are open fit the
correct caps or seal with water proof tape.
3. Cover the alternator with a plastic bag to prevent
water ingress.
4. Seal the engine air intake, exhaust and breather
system.
5. Make sure that the oil filler caps and dipstick are
correctly installed.
6. Use a low pressure water jet and soft bristle
brush to soak off caked mud or dirt.
7. Apply an approved cleaning and degreasing
agent with a brush. Obey the manufacturers
instructions.
8. Use a pressure washer to remove the soft dirt
and oil. Important: DO NOT aim the water jet
directly at oil seals or electrical and electronic
components such as ECU (Electronic Control
Unit)'s, alternator or fuel injectors. DO NOT place
the jet nozzle closer than 600mm (24 in) to
any part of the engine or after treatment system
including exhaust sensor ECU (if installed).
18. 15 - Engine
00 - General
00 - General
15 - 19 9813/2650-3 15 - 19
9. When the pressure washing is complete move
the machine away from the wash area, or
alternatively, clean away the material washed
from the machine.
10. Before working on specific areas of the engine
use a compressed air jet to dry off any moisture.
When the area is dry use a soft clean brush to
remove any sand or grit particles that remain.
11. When removing components be aware of any
dirt or debris that may be exposed. Cover any
open ports and clean away the deposits before
proceeding
Additional cleaning must be carried out prior to
working on the high pressure fuel system, refer to:
Fuel System - Clean (PIL 18-00).
Check (Operation)
Check the engine speed setting
When the engine is operating normally the engine
speed will be within the values given for different
machine operating modes.
1. Warm the engine water temperature above the
specified value.
Temperature: 50°C (121.9°F)
2. Use the power band mapping graphs and
compare the engine RPM (Revolutions Per
Minute) to the values on the graph. Operate the
throttle knob and check the no load engine rpm
in each power band. Refer to (PIL 18-00).
3. Close the dipper fully and hold the control lever in
the dipper close position. The engine rpm should
be the same as the no load RPM.
19. 15 - Engine
00 - General
00 - General
15 - 20 9813/2650-3 15 - 20
Check (Pressure)
Special Tools
Description Part No. Qty.
Servicemaster
Electronic Test Cable
721/10855 1
Pressure Gauge (0-40
Bar)
892/00278 1
Servicemaster
Electronic Test Kit
Data Link Adaptor
(DLA) Kit
892/01033
892/01174
1*
Digital Hydraulic
Pressure Test Kit
998/11051 1
*Unless otherwise stated, you can use any of the
tools shown.
This test is used to diagnose suspected poor
compression in one or more of the engine cylinders.
Use ServiceMaster to control the test.
Engine Compression Test
1. Connect the Servicemaster tool to the machine,
refer to (PIL 33-57).
Special Tool: Servicemaster Electronic Test Kit /
Data Link Adaptor (DLA) Kit (Qty.: 1)
Special Tool: Servicemaster Electronic Test
Cable (Qty.: 1)
2. Access the engine compression test and follow
the on screen commands.
3. There is a 5 second delay before the test starts.
4. The test disables the injectors and requests the
tester to crank the engine.
5. Crank the engine for at least 5 seconds, but no
longer than 10 seconds.
6. The engine ECU measures the variation in
engine cranking speed to determine if one
or more cylinders have lower than expected
compression values.
7. Turn off the ignition after the test.
Note: The engine cranking speed must be greater
than 200 rpm for the test to identify suspect cylinders,
ensure the battery condition is suitable to achieve
this test.
Engine Oil Pressure
Use the following procedures to measure the engine
oil pressure. Refer to Oil Sump (PIL 15-45) for a
full explanation of the lubricating oil circuit. Several
factors can influence the engine oil pressure, the
following conditions are assumed:
• The correct engine oil has been used, refer to
Consumable Products, Oil (PIL 75-03).
• The engine oil level is correct, refer to Oil Filter,
Check Level (PIL 15-21).
1. Make sure that the engine is safe to work on. If
the engine has been running, let it cool before
you start the service work.
2. Get access to the engine.
3. Disconnect the electrical connector to the oil
pressure switch, remove the switch from the oil
cooler housing.
4. Install a suitable adaptor into the vacant pressure
switch port (M10 x 1.5mm thread) and a pressure
test gauge. Make sure that the gauge has a
sealing washer as shown.
Special Tool: Pressure Gauge (0-40 Bar) (Qty.: 1)
Special Tool: Digital Hydraulic Pressure Test Kit
(Qty.: 1)
20. 15 - Engine
00 - General
00 - General
15 - 21 9813/2650-3 15 - 21
Figure 101.
B
A
A
A Oil pressure switch
B Sealing washer
5. Start the engine and allow a few seconds to
gain oil pressure, increase the engine revs to
the rated speed. Record the pressure gauge
reading, refer to Technical Data (PIL 15-00), for
the recommended circuit pressure.
6. Remove the pressure gauge and install the
pressure switch.
High Lubrication Oil Pressure
High oil pressure will be evident when starting in cold
conditions. Typically the pressure will be 1 to 2 bar
and higher in cold operation, the pressure should
drop when the engine reaches normal operating
temperature.
If the pressure remains high when operating
temperature is achieved, check the oil level, if this is
correct, suspect the oil pump relief valve is at fault.
Low Lubrication Oil Pressure
Several factors can be the cause of low lubricating
oil pressure:
• Low oil level - typically evident as a loss of
pressure when operating on uneven ground or
on a gradient.
• Blocked oil filter - a blocked filter will show as a
gradual loss of pressure.
• Blocked suction strainer (pick-up pipe) -
typically evident as low pressure on start up,
if the blockage frees itself in the sump, the
pressure will pick up to normal.
• Coolant in the oil - coolant in the lubricating oil
will show as a milky discolouration of the oil and
an increase in oil level. Check for damaged core
plugs, lubricating oil cooler, cylinder head and/
or gasket.
• Fuel in the oil - fuel in the oil will result in thin'
black lubricating oil, the oil will also have a
diesel fuel smell. Check the fuel injection pump
(FIP) shaft seal refer to (PIL 18-18), piston ring
wear, lift pump diaphragm damage or injector
leakage if fuel is evident in the oil.
• Damaged oil pump - oil pressure will be high at
low oil temperature but fall when oil becomes
hotter.
21. 15 - Engine
00 - General
00 - General
15 - 22 9813/2650-3 15 - 22
Remove and Install
Special Tools
Description Part No. Qty.
Lifting Bracket Front 320/09062 1
Lifting Bracket Rear 320/09063 1
Engine Lifting Spreader
Bar
892/01382 1
Lifting Equipment
You can be injured if you use incorrect or faulty lifting
equipment. You must identify the weight of the item to
be lifted then choose lifting equipment that is strong
enough and suitable for the job. Make sure that lifting
equipment is in good condition and complies with all
local regulations.
The lifting equipment used must be an approved
type and capable of lifting the engine safely. The
recommended lifting equipment is shown. Use a
spreader bar when lifting the engine. Never attempt
to manually lift heavy components on your own.
Always use lifting equipment, or obtain the help of
an assistant. Inspect the lifting brackets for signs
of damage. The brackets must be correctly torqued
to the crankcase. Make sure the lifting equipment
does not damage any of the engine dressing and the
rocker cover.
Component Identification
The following component identification is for a typical
engine installation. There will be some component
differences depending on the machine variant.
Before attempting to remove the engine ensure that
all the necessary components have either been
removed, or safely disconnected from the engine.
Figure 102.
16
17
14 15
20
19
21
18
6
7
8
12
11
10
2225
24
23
6 Engine mounting bolts 7 Lifting bracket- front
8 Lifting bracket fixing bolts 10 Fuel line connector- return to tank line
11 Fuel line connector at fuel filter- feed line from
fuel pump
12 Electrical connector- engine ECU machine
side connector (grey)
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24. 15 - Engine
00 - General
00 - General
15 - 24 9813/2650-3 15 - 24
Before Removal
1. Make sure that the engine is safe to work on. If
the engine has been running, let it cool before
you start the service work.
2. Position the machine on firm level ground. Make
the machine safe, refer to (PIL 01-03).
3. Get access to the engine.
Remove
1. Disconnect and remove the battery. Refer to (PIL
33-03).
2. Drain the engine oil. Refer to (PIL 15-21).
3. Drain the engine coolant, remove the cooling
pack. Refer to (PIL 21-03).
4. Discharge the hydraulic pressure. Refer to (PIL
30-00).
5. Drain the hydraulic tank. Disconnect and plug
the hydraulic suction and delivery lines at the
transmission pump and gear pump. Label the
hoses to ensure correct reassembly. Refer to
(PIL 30-00).
6. Disconnect and plug the hydraulic cooler hoses.
Label the hoses to ensure correct reassembly.
7. Disconnect the exhaust system.
8. Label the cab heater hoses at the engine block
connectors. Release the hose clips and remove
the hoses.
9. Disconnect the wiring connections from the
starter motor. Refer to (PIL 15-75).
10. Disconnect the wiring connections from the
alternator. Refer to (PIL 15-72).
11. Disconnect the wiring connections from the
engine sensors and actuators. Refer to (PIL
15-84).
12. Disconnect the fuel supply line at the fuel lift
pump and the spill line at the fuel injection pump.
Cap all hoses and ports to prevent ingress of dirt.
13. Disconnect the electrical harness at the engine
harness.
14. Uncouple the electrical harness at the
ECM (Engine Control Module) machine side
connector. Important: Do not touch the connector
pins on the ECM or harness connectors. Cover
the connectors to prevent contamination.
15. Ensure that all relevant harnesses and hoses are
unclipped from the engine and tied out of the way.
16. Disconnect and plug the hoses at the hydraulic
pump.
17. Disconnect the wiring to the hydraulic pump.
18. Remove the gearbox to engine retaining bolts,
pull the transmission and converter clear of
the engine, make sure that the converter stays
mounted on the gearbox shaft.
19. Attach slings to the engine lifting eyes.
Special Tool: Lifting Bracket Front (Qty.: 1)
Special Tool: Lifting Bracket Rear (Qty.: 1)
Special Tool: Engine Lifting Spreader Bar (Qty.:
1)
20. Take the weight of the engine on the hoist and
remove the engine mounting bolts.
21. Withdraw the engine in a level attitude until the
hydraulic pump is clear of the chassis. Raise the
engine to lift it clear of the machine.
22. Lower the engine into a suitable stand that is
capable of supporting the weight of the engine.
25. 15 - Engine
00 - General
00 - General
15 - 25 9813/2650-3 15 - 25
Figure 103.
A
B
A
C
A Lifting bracket mounting bolts
B Lifting equipment
C Spreader bar
Install
1. Replacement is a reversal of the removal
procedure. Note the following:
2. Important: It is vitally important that the torque
converter is installed at the gearbox and engine
flywheel correctly. Failure to locate the converter
correctly will result in damage to the gearbox oil
pump on engine start up.
3. Fill the cooling system with the correct mix of
coolant fluid. Refer to (PIL 21-00).
4. Fill and Check the hydraulic fluid level. Refer to
(PIL 30-00).
5. Fill and Check the engine oil level. Make sure the
correct oil is used. Refer to (PIL 75-03).
6. On completion, check the hydraulic and cooling
system for leakage and levels.
7. Check the function of the drive and loader
services.
Table 33. Torque Values
Item Nm
A 47