New holland d180 tier 3 crawler dozer service repair manual

D180
(Tier 3)
CRAWLER DOZER
Workshop Manual
Print No. 84151290 English
You will find this symbol in the text of this Manual referred to the following key words:
WARNING - Cautions directed to avoid improper repair interventions involving potential consequences for
the safety of the personnel performing the repairs.
DANGER-Thesewarningsqualifyspecificallypotentialdangersforthesafetyoftheoperatororotherpersons
directlyorindirectlyinvolved.
IMPORTANTNOTICE
All maintenance and repair interventions explained in this Manual must be performed exclusively by the Service
Organisation of the Manufacturer, observing strictly the instructions explained using, whenever necessary, the
recommended specific tools.
Whoever performs the operations reported without following exactly the precautions is responsible on his own,
for the damages that may result.
Neither the Factory nor any Organisations in its Distribution Network, including but not limited to national, regional
or local distributors, are responsible for any liability arising from any damage resulting from defects caused by
parts and/or components not approved by the Factory for use in maintaining and/or repairing products manufac-
tured or merchandised by the Factory.
In any case, no warranty of any kind is made or shall be imposed with respect to products manufactured or
merchandised by the Factory, when failures are caused by the use of parts and/or components not approved by
the Factory.
Read and heed carefully the safety instructions listed and follow the precautions recommended to avoid
potential risks and to safeguard your health and your safety.
THIS ALERT SYMBOL SIGNALS IMPORTANT MESSAGES INVOLVING YOUR SAFETY.

Most accidents, whether they occur in industry, on the
farm,athomeorontheroad,arecaused bythefailureof
someindividualstofollowsimpleandfundamentalsafety
rules and precautions. For this reason MOST ACCI-
DENTS CAN BE PREVENTED by recognising the real
causeanddoingsomethingaboiutitbeforetheaccident
occurs.
Regardless of the care used in the design and construc-
tionofanytypeofequipment,therearemanyconditions
that cannot be completely safeguarded against without
interfering in the reasonable accessibility and efficient
operation.
A carefull operator is the best insurance against an
accident. The complete observance of one simple rule
would prevent many serious accidents.
The rule is simple: never attempt to clean, lubricate or
maintain a machine while it is in motion.
AVOID ACCIDENTS
WARNING
Prior to engaging in any maintenance, adjustment
or repair operation on machines having hydrauli-
cally, mechanically, and/or cable controlled equip-
ment (such as shovels, loaders, dozers, excavators
etc.) be certain the equipment is lowered to the
ground.
If it is necessary to have the equipment partially or
fully raised to gain access to certain items, be sure
the equipment is suitably supported by means oth-
er than the devices used for controlling the equip-
ment.

SUMMARY
GENERALITIES
ENGINE
TRANSMISSION
FINAL DRIVES
BRAKES AND STEERING DIFFERENTIAL -
D180 POWER STEERING
BRAKES AND STEERING CLUTCHES -
D180 STEERING CLUTCHES
UNDERCARRIAGE
DOZING EQUIPMENT - HYDRAULIC SYSTEM D180 PS
DOZING EQUIPMENT - HYDRAULIC SYSTEM D180 SC
ELECTRICAL SYSTEM
AIR CONDITIONING UNIT
D180-3R001
SECT. 0
SECT. 1
SECT. 2
SECT. 3
SECT. 4
SECT. 4 BIS
SECT. 5
SECT. 6
SECT. 6 BIS
SECT. 7
SECT. 8

SECTION 0
GENERALITIES
TABLE OF CONTENTS
SUBJECT PAGE
SAFETY RULES ..........................................................................................................................................I-VIII
IDENTIFICATIONDATA
Engine data plate........................................................................................................................................ 0-3
Vehicle Identification Plate .......................................................................................................................... 0-4
Marking and serial number.......................................................................................................................... 0-4
TABLE OF FLUID CAPACITIES..................................................................................................................... 0-5
DIMENSIONS D180 BD ................................................................................................................................ 0-6
DIMENSIONS D180 PAT ............................................................................................................................... 0-7
Technical data D180 PS - D180 SC ............................................................................................................ 0-8
D180 POWER STEERING LGP .................................................................................................................. 0-24
D180 POWER STEERING LT/XLT - STEERING CLUTCHES LT/XLT ............................................................ 0-25
WEIGHTAND EQUIPMENT D180 PAT........................................................................................................ 0-26
WEIGHT MACHINE D180 PAT .................................................................................................................... 0-26
LIST OF WEIGHTS FOR MAIN SERVICE COMPONENTS ..........................................................................0-27
CENTRE OF GRAVITYTABLE .....................................................................................................................0-29
GENERALINSTRUCTIONS..........................................................................................................................0-30
TROUBLESHOOTING ..................................................................................................................................0-35
UNITS OF MEASURE ..................................................................................................................................0-36
TABLE OFTIGHTENING TORQUES ............................................................................................................0-38

I
Study carefully this Manual before starting, operating, maintaining, fuelling or servicing the
machine.
Read and heed all safety rules before any intervention.
SAFETY RULES
Before operating a machine, always ensure that any
unsafe condition has been satisfactorily remedied.
- Check brakes, steering and attachment controls before
moving. Advise the proper maintenance authority of any
malfunctioning part or system.
- Be sure all protective guards or panels are in place, and
all safety devices provided are in place and in good
operating conditions.
- Be sure exposed personnel in the area of operation are
clear of the machine before moving it or its attachments.
WALK COMPLETELY AROUND the machine before
mounting. Sound horn.
- Before starting machine, check, adjust and lock the
operator's seat for maximum comfort and control of the
machine.
- Fasten your seat belt (when provided).
- Obey all flag signals and signs.
- Due to the presence on the machine of flammable fluids,
never check or fill fuel reservoirs or batteries near open
flames, smoking materials or sparks.
- REMEMBER THAT STARTING FLUID IS FLAMMABLE.
Follow strictly the recommendations printed on contain-
ers and in the Operation and Maintenance Manual.
- DO NOT PUNCTURE OR BURN CONTAINERS.
- Containers must be stored in fresh, well ventilated plac-
es, out of reach of unauthorised persons. Follow strictly
the instructions provided by the Manufacturer.
- Never use these products near open flames, smoking
materials or sparks.
OPERATION
- Do not run the engine of this machine in closed areas
without proper ventilation to remove deadly exhaust
gases.
- Roll Over Protective Structures are required on loaders,
dozers, graders, excavators.
WARNING
- Do not allow unauthorised personnel to operate service
or maintain this machine.
- Do not wear rings, wrist watches, jewellery, loose or
hanging apparels, such as ties, torn clothing, scarves,
unbuttoned or unzipped jackets that can catch on mov-
ing parts. Wear proper safety equipment as recom-
mended for the job. Examples: hard hat, heavy gloves,
ear protection, safety glasses or goggles, reflector vests,
respirator. Consult your employer for specific safety
equipment requirements.
- Keep operator's compartment, stepping points, grab-
rails and handles clear of foreign objects, oil, grease,
mud or snow accumulation to minimise the danger of
slipping or stumbling. Clean mud or grease from shoes
before attempting to mount or operate the machine.
- Do not jump on or off the machine. Keep two hands and
one foot, or two feet and one hand in contact with step
grab rails and handles at all times.
- Do not use controls or hoses as hand holds when
climbing on or off machine. Hoses and controls are
movable and do not provide a solid support. Also,
controls may be inadvertently moved causing accidental
machine or equipment movement.
- Never attempt to operate the machine or its tools from
any position other than seated in the operator's seat.
- Keep head, body, limbs, hands and feet inside opera-
tor's compartment at all times, to reduce exposure to
hazards outside the operator's compartment.
- Be careful of slippery conditions on stepping points,
hand rails, and on the ground. Wear safety boots or
shoes that have a high slip resistant sole material.
- Do not leave the machine until it is completely stopped.
- Check the seat safety belt at least twice a year. If there
are signs of wear or fraying or other signs of weakness
that could lead to failure, replace it.
STARTING
- NEVER START NOR OPERATE AN UNSAFE MA-
CHINE.

SAFETY RULES
Keep cab windows clean and repaired.
- When machines are operating in tandem, the pusher (rear)
must be equipped with the appropriate deflectors to protect
theunitinfrontfromtheairstreamcomingfromtheradiator.
- When pulling or towing through a cable or chain, do not
start suddenly at full throttle; take-up slack carefully.
Inspect carefully for flaws or troubles before using.
- Avoid kinking chains or cables. Do not pull through a
kinked chain or cable to the high stresses and possibility
of failure of the kinked area. Always wear heavy gloves
when handling chains or cables.
- Be sure chains and cables are anchored and the anchor
points are strong enough to handle the expected load.
Keep exposed personnel clear of anchor points and
cables or chains.
- DONOTPULLUNLESSOPERATOR'sCOMPARTMENT
OFMACHINESINVOLVEDAREPROPERLYGUARDED
AGAINST POTENTIAL CABLE OR CHAIN BACKLASH.
- Be alert to soft ground conditions close to newly construct-
ed walls. The fill material and weight of the machine may
cause the wall collapse under the machine.
- In darkness, check area of operation carefully before
moving in with machine. Use all lights provided. Do not
move into area of restricted visibility.
- If engine has a tendency to stall for any reason under load
or idle, report this for adjustment to proper maintenance
authority immediately. Do not continue to operate ma-
chine, until condition has been corrected.
- On machines supplied with suction radiator fans, be sure
to periodically check engine exhaust parts for leaks, as
exhaust fumes are dangerous to the operator.
- In case of closed type cabs, always keep an opening with
the outside, to ensure a constant air circulation.
- Operators must know thoroughly the performances of the
machine they are operating. When working on slopes or
near sudden level drops of the terrain, avoid areas where
ground is loose or soft since rolling-over or loss of control
of machine could result.
- Where noise exposure exceeds 90 dBA for 8 hours, wear
approved ear protection.
- When counterweights are provided, do not work machine
if they have been removed.
NEVER OPERATE machines without ROPS.
- Make sure the Operator's compartment is free of foreign
objects, especially if not firmly secured. Never use the
machine to transport objects, unless proper securing
points are provided.
- Check monitoring instruments at start-up and frequently
during operations. in case the brake pressure gauge
shows a pressure lower than the minimum operating
pressure, stop immediately the machine .
- DO NOT CARRY RIDERS ON MACHINE
- Study and familiarise with escape routes alternate to
normal exit routes.
- Seat belts are required by current regulations to be provid-
ed with Roll Over Protection Structures or cabs. Keep
safety belts fastened around you during operation.
- For your personal protection, do not climb on or off
machine while machine is in motion.
- Make sure that exposed persons in the area of operation
are clear of the machine, before starting the engine and
operatingtheequipment.Soundhorn.Obeyallindications
provided by flags and signals.
- NEVER COAST the machine down grades and slopes
with the transmission in neutral or neutralised.
Choose and shift into the most appropriate gear to keep
the speed required, thus preventing any loss of control.
- Donotoperatemachineryinaconditionofextremefatigueor
illness.Beespeciallycarefultowardstheendofworkingshift.
- Do not operate machine with brakes out of adjustment.
- Operate the machine at speeds slow enough to ensure
complete control at all times.
- Travel slowly over rough terrain, on slopes or near drop-
offs, in congested areas or on ice or slippery surfaces.
- When backing, always look to where the machine is to be
moved. Be alert to the position of exposed personnel. DO
NOTOPERATEifexposedpersonnelentertheimmediate
work area. STOP THE MACHINE.
- Maintain a safe distance from other machines. Provide
sufficient clearance for ground and visibility conditions.
Yield right-of-way to loaded machines.
- Maintain clear vision of areas of travel or work.
II

SECTION 1
ENGINE
TABLE OF CONTENTS
CHAPTER
1.1
1.2
1.3
1.4
1.5
SUBJECT PAGE
GENERALSPECIFICATIONS .................................................................................................. 1-3
Identification of the engine ..................................................................................................... 1-4
SERIES "C" ENGINE DATA ..................................................................................................... 1-5
DIAGRAMS OF SERIES "C" ENGINE ..................................................................................... 1-7
MOUNTING OF ENGINE ON FRAME .....................................................................................1-11
Engine/converter removal and installation ............................................................................1-12
Removal of the radiator group ..............................................................................................1-24
Removal of silencer group ...................................................................................................1-26
Removal of converter group..................................................................................................1-27
Reinstalling the converter group...........................................................................................1-28
Reinstalling the silencer group ............................................................................................1-30
Reinstalling the radiator group .............................................................................................1-31
Reinstalling the engine group assembly ..............................................................................1-33
DIAGNOSTICS WITH BLINK CODE ....................................................................................... 1-45

ENGINE
Carefully read personal and machine SAFETY PRECAUTIONS at the beginning of this Manual
1 - 3D180
Technology
• In-line cylinders
• Water cooled
• 4 stroke
• Turbocharged
• Afterc-ooled
• Direct injection
• Metric dimensions
• Air flow cooling
Engine components
• Metric specifications
Pipes connections and
plugs
• SAE standards
1. The engine is a diesel for heavy duty applications
characterised by several design concepts tend-
ing towards simplicity and a high compactness.
2. The engine incorporates, in a single solution, all
the most important characteristics and advantag-
es of modern diesel technology.
3. The engine has been entirely designed with met-
ric dimensions. the only discrepancy with these
specifications involves the use of connections for
pipes and plugs with SAE standards. The speci-
fications of accessories change depending upon
the Supplier. Technical publications list metric
values with the equivalent SAE values.
Length Width Height Weight
mm in mm in mm in kg lb
1050 41.3 685 26.9 945 37.2 550 1212.5
Series C
1.1 GENERAL SPECIFICATIONS
1850-3R002

ENGINE
1 - 4 D180
The total displacement of the engine is 6.7 litres (1.7
gal), the bore is 104 mm (4 in) and the stroke 132 mm
(5.1 in).
The firing order is the same as for the other in-line, 6
cylinder Iveco engines, 1-5-3-6-2-4.
Specifications of engine series
Total displacement 6,7 litri
Bore 104 mm
Stroke 132 mm
Firing order 1-5-3-6-2-4
IDENTIFICATION OF THE ENGINE
Engine data plate
The engine data plate provides the identification data
and other important information about the engine.
Have the engine data here below available when con-
tacting a Iveco Authorised Repair Centre. The infor-
mation data on the plate are compulsory when pro-
curing Spare Parts.
Note – Do not change the engine data plate unless
authorised by IVECO.
1850-M0044

ENGINE
1 - 5D180
1.2 ENGINE DATA
Generalities
D180 LT/XLT D180 LGP
Bore: ............................................................................... 104 mm [4.0 in] ......................... 104 mm [4.49 in]
Stroke: ............................................................................ 132 mm [5.1 in] ......................... 132 mm [5.32 in]
Total displacement: ......................................................... 6.7 L [408.8 in3
] ........................... 6.7 L [408.8 in3
]
Net flywheel power (ISO 9249) .................................... 196 HP / 146 kW ........................ 210 HP / 157 kW
Low idle ......................................................................... 780÷920 rpm ............................... 780÷920 rpm
High idle..................................................................... 2030÷2170 rpm ........................... 2030÷2170 rpm
Implem. stall ...............................................................2020÷2160 rpm ........................... 2020÷2160 rpm
Torque converter / transmission stall ...........................1710÷1850 rpm ........................... 1785÷1925 rpm
Total stall ....................................................................1640÷1840 rpm ........................... 1725÷1925 rpm
Maximum torque ..................................................................... 860Nm .................... 952Nm A 1400 min-1
Compression ratio ........................................................................ 16.5 : 1 ....................................... 16.5 : 1
Firing order: ...........................................................................1-5-3-6-2-4 ................................. 1-5-3-6-2-4
Valve clearance
Intake: .................................................................. 0.30 mm [0.012 in] ...................... 0.30 mm [0.012 in]
Exhaust: ............................................................... 0.61 mm [0.024 in] ...................... 0.61 mm [0.024 in]
Engine rotation (seen from front side of engine): .................... Clockwise ................................... Clockwise
Intake .....................................................Turbocharged with after-cooled .. Turbocharged with after-cooled

ENGINE
1 - 7D180
The illustrations here below provide information on the
engine components, the location of filters, the drain-
ing points and the access locations for engine instru-
mentation and controls.
The illustrations and the configuration of the compo-
nents shown in these diagrams are of a general na-
ture. The locations of some components change de-
pending upon the application and the installation.
For the removal, testing, overhaul and installation of the engine,
please refer to the Workshop Manual IVECO.
1.3 DIAGRAMS OF ENGINE
View from left side
Fan pulley
1850-3R004
Air inlet
manifold
Cold start
device
Engine oil
dipstick
High pressure fuel
pipes
Rear lifting
bracket
Engine
flywheel cover
High pressure fuel
pump
Fuel filter
Oil draining plug
Pressure sensor
engine oil
Crankshaft
pulley
Dumper
Electronic
controller

ENGINE
1 - 8 D180
View from left right
1850-3R005
Tappet cover
Water temperature
Turbocharger
Turbocharger lube
pipe
Lube oil filter
Turbocharger
oil draining
Starter motor
RPM sensor
engine
Exhaust
manifold
Coolant outlet
Coolant inlet

ENGINE
1 - 9D180
Rear view
1850-3R078
Centring bearing
Flex disc
mountng holes
Flyweel
housing
Flyweel
Front view
1850-3R079
Fan pulley
Turbocharger air
intake
Belt tensioner
Water pump
Oil sump

ENGINE
1 - 10 D180
View from above
1850-3R080
Turbocharger air
inlet
Turbocharger air
outlet
Turbocharger
exhaust outlet
Engine oil filter
neck
Common rail

ENGINE
1 - 11D180
1.4 MOUNTING OF ENGINE ON FRAME
Tightening torques
C1
. Self-locking nut M24 x 2 .............. 108 daNm (796.3 lbf.ft)
C2
. Screw TE M12 x 1.75 ...................... 11 daNm (81.1 lbf.ft)
C3
. Self-locking nut M16 x 1.5 ............... 30 daNm (22.1 lbf.ft)
D180-3R003
C1
C2
C2
C3

ENGINE
1 - 12 D180
REMOVAL OF ENGINE GROUP ASSEMBLY
Turn the STARTER SWITCH into OFF and place the
"DO NOT START" notice as indicated in the figure.
WARNING
Do not allow unauthorized persons to repair or
maintain this machine. Read carefully the
Operation and Maintenance Manual prior to
starting, operating, maintaining or refueling and
repairing the machine.
Oil draining
Removeplug(1)fromthebottomofthemachine,with
the transmission oil warm, and let it drain into a
container with a 40 liter (10 USG) capacity, at least.
DANGER
Pressurizedfluid:beforeremovingtheplugorthe
coverturnitslowlytoreleasethepressure.Seethe
InstructionManual.
Tofacilitatethedraining,opentherightpanelunderthe
cab and loosen plug (2) from the transmission oil filler
neck.
ENGINE/CONVERTER REMOVAL AND INSTALLATION
D180-3R009
2
1850-3R922
DO
NO
T
OPERATE
D180-2M195
1

ENGINE
1 - 13D180
With engine cold, drain the coolant from the radiator
by opening the valve indicated in the figure, located
at the bottom of the radiator itself. To facilitate the
draining, remove the coolant filler cap on the radiator.
Remove the windshield washer liquid pipes (1) from
the engine hood upper panels.
WARNING
Handle all components with great care. Never
place hands or fingers between parts. Wear
approved protective clothing such as glasses,
gloves and safety shoes.
Remove the plastic protection caps (2) (q.ty 4) of the
screws securing the engine hood.
Remove the engine hood securing screws (3) (q.ty 4)
complete with washers and vibration damper rubber
rings.
1850-2R435
1850-2R431
1850-2R432
1
2
1850-2R433
3

ENGINE
1 - 14 D180
Open the side doors and using a hoist and cables,
sling the engine hood complete with upper panels and
rest it on an appropriate stand.
WARNING
Lift and handle all heavy materials with lifting
devicesofappropriatecapacity.Makesurethatthe
partsaresecuredbyappropriatehooksandslings.
Use the lifting eyes provided for this purpose. Do
not stand under suspended loads. Beware of
persons in the vicinity of the loads to be lifted.
Remove the panels by removing securing screws (1)
(q.ty 8) complete with washers.
1850-2R434
1
D180-3R010

MOTORE 1 - 15D180
Disconnect ground braid (1) and cold start device ca-
ble (2).
Disconnect in and out lines (4) from fuel prefilter (3).
Disconnect sensor lead (5) from water in fuel prefilter
(3).
Remove the six safety screws (6) from the right side
of the cab.
1850-3R018
1850-3R035
1850-3R034
1850-3R033
1
2
3
4
3
5
6

MOTORE1 - 16 D180
IMPORTANT
From this phase onward, identify all electrical
connections and hydraulic pipes to facilitate the
CONNECTIONS DURING THE INSTALLATION
PHASE.
Disconnect the horn power wire (4).
Disconnect the air cleaner clogging sensor wire (5).
Remove steel-rubber bands (6) (q.ty 3) to remove
completely the electric connections from frame (7).
1850-3R036
4
1850-3R037
5
1850-3R038
6
7
Open the lower panel on the left side of the cable and
make sure that the cab doors are closed.
Insert a steel bar (1) in the cab tilting device compart-
ment (2) and pry it to lift the cab.
Make sure that lever (3) of the cab tilting device is
directed toward the rear side of the machine, as indi-
cated in the figure.
1850-3R027
1
3
2

MOTORE 1 - 17D180
Disconnect all wires connected to the 50 Amp (1) and
80 Amp (2) fuse links.
Remove the turbine-air filter hose (3) by removing
metal collars (4) (q.ty 2).
Close the turbine inlets with adhesive tape to prevent
foreign bodies entering the turbine itself.
Disconnect converter breather hose (5) by loosening
metal collar (6).
Install lifting eyes on frame (7) and using a hoist com-
plete with chains secure the frame to prevent acci-
dental falls.
WARNING
1850-3R074
1
2
1850-3R019
4
3
1850-2R447
6
5
1850-2R448
7

MOTORE1 - 18 D180
Remove securing screws (1) (q.ty 4) and relevant
washers (2) from the base of the frame.
Then, lift the frame complete with air cleaner and place
it on an appropriate stand.
Remove the radiator fan guard side grills (3) (q.ty 2)
by removing securing screws (4) (q.ty 4) complete
with washers.
Remove radiator fan (5) by removing securing screws
(6) (q.ty 4) and the relevant washers.
Disconnect converter oil temperature sensor wire (7).
1850-2R449
1
2
1850-2R450
4
3
1850-2R459
6
5
1850-2R452
7

MOTORE 1 - 19D180
Disconnect radiator- hydraulic oil hose (2) on the right
side, from steel pipe (1) located on the spacer be-
tween engine and converter.
Disconnect radiator - hydraulic oil (delivery) (3) and
hose (4) coming from the hydraulic motor from the
left side of steel pipe (1).
Disconnect hose (5) from the left side of steel pipe (1)
after securing bands (6).
Proceed in the same manner for the right side of steel
pipe (1) disconnecting the relevant hose.
Disconnect steel pipe (1) complete with relief valve
(7) by removing screws (8) complete with washers.
1850-2R510
2
1
1850-2R511
1
4
3
1850-2R512
5 6
1
1850-2R513
7
1
8

MOTORE1 - 20 D180
Disconnect converter oil pressure sensor wire (1) and
the hydraulic hoses indicated in the figure.
Disconnect all electric connections (2) from starter
motor (3).
Disconnect ground wires (4) connected to the frame
by removing securing screw (5).
Disconnect engine coolant temperature sensor wire
(6).
1850-2R453
1
1850-3R020
3
2
1850-3R021
5
1850-3R022
6
4

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MOTORE 1 - 21D180
Disconnect electric wire (1) from alternator (2).
Disconnect engine rpm sensor lead (3).
Free hydraulic hoses (4) from the frame by removing
screws (6) (q.ty 4) of the relevant securing brackets
(5) on the right and left side of the frame.
Disconnect the inlet and outlet hoses from transmis-
sion oil filter (7) and hydraulic oil filter (8).
1850-3R023
1
2
1850-3R032
3
1850-2R458
1850-2R461
5
6
4
8
7
8

MOTORE1 - 22 D180
Proceed in the same manner on hydraulic oil filter (1)
by disconnecting the pipes indicated I the figure.
Disconnect engine oil pressure sensor connector (2).
Disconnect air conditioner compressor lead (3), and
refrigerant in and out lines (4).
Disconnect engine cable from ECU removing connec-
tors (5).
1850-2R462
1
1850-3R024
2
1850-3R025
3
1850-3R031
4
5

MOTORE 1 - 23D180
Disconnect radiator-engine steel suction pipe (1) by
loosening the relevant metal collar.
WARNING
Handle all components with great care. Never
place hands or fingers between parts. Wear
approved protective clothing such as glasses,
gloves and safety shoes.
Place a container of adequate capacity (23 l - 6 USG)
under the oil sump.
Open the lower panel (2) of the engine compartment
and drain the oil through lower plug (3).
Remove the propeller shaft (converter side) (4) by re-
moving securing screws (5) (q.ty 4).
The engine is secured to the frame of the machine in
four points. Remove engine securing screws (6)
(q.ty 8) from these points.
1850-3R026
1
D180-3R039
5
4
D180-3R040
6
1850-3R923
3
2

MOTORE1 - 24 D180
Using adjustable hoist and chains, sling the engine
complete with converter, with the appropriate lifting
eyes indicated in the figure and place it on an appro-
priate stand.
WARNING
REMOVAL OF THE RADIATOR GROUP
Open front end grill to gain access to the top retention
point of the radiator-aftercooler unit.
Remove cap screws (1) (4 off) complete with wash-
ers from support (2).
WARNING
Do not allow unauthorized persons to repair or
maintain this machine. Read carefully the
Operation and Maintenance Manual prior to
starting, operating, maintaining or refuelling and
repairing the machine.
Disconnect in hose (5) from drivetrain exchanger
matrix (3) and hydraulic oil exchanger matrix (4).
1850-3R011
1850-3R008
1
1850-3R013
5
4
2
3

MOTORE 1 - 25D180
Disconnect out lines (1).
From the top of the radiator disconnect hoses between
engine and radiator (2) by loosening metal collars (3).
WARNING
Similarly, disconnect aftercooler lines (4) and engine-
radiator coolant in line (5).
Apply two lift eyes to radiator unit and take the weight
using a suitable hoist to prevent the risk of accidental
falls.
1850-3R014
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New holland d180 tier 3 crawler dozer service repair manual

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New holland d180 tier 3 crawler dozer service repair manual