CASE IH 635 MODULE EXPRESS Cotton Picker Service Repair Manual Instant Download

1
635 MODULE EXPRESS Cotton Picker SERVICE MANUAL
Part number 84564004 1st edition English February
2013 Replaces part number 84467765
2
Contents INTRODUCTION Engine......................
..................................................
............... 10 Engine and crankcase . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . 10.001 Fuel tanks . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . 10.216 Fuel injection system . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . 10.218 Engine cooling
system . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . .
10.400 Transmission...............................
...............................................
21 Mechanical transmission . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . 21.114 Mechanical transmission external
controls . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . 21.130 Gearbox internal components . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . 21.145 Differential . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . .
21.182 Front axle system .......................
................................................
25 Final drives . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . 25.310 Rear axle
system............................................
............................ 27 Powered rear
axle . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
27.100 Rear bevel gear set and differential . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. 27.106 Planetary and final drives. . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . 27.120 Final drive hub, steering
knuckles, and shafts . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . 27.124 Hydrostatic drive.................
..................................................
...... 29 Transmission and steering
hydrostatic control . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . 29.100 Hydrostatic transmission . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . 29.202 Pump and motor
components . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . 29.218 Brakes
and controls ....................................
................................ 33 Parking
brake / Parking lock. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . .
33.110 Hydraulic service brakes . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 33.202 Hydraulic systems.............
..................................................
........ 35 Hydraulic systems . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . 35.000
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Variable displacement pump . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
35.106 Reservoir, cooler, and filters . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 35.300 Regulated/Low pressure system
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . 35.322 Cotton compactor system . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . 35.953 Steering...........
..................................................
........................ 41 Steering control. .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . .
41.101 Hydraulic control components . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . 41.200 Cylinders . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . .
41.216 Autoguidance steering. . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . 41.432 Cab climate control
..................................................
................... 50 Ventilation . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . .
50.104 Air conditioning . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . 50.200 Electrical
systems...........................................
............................ 55 Electrical
system . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . 55.000 Fuel injection system . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . 55.010 Heating,
Ventilation, and Air-Conditioning (HVAC) control
system . . . . . . . . . . . . . . . . . . . . .
. . 55.050 Cab Heating, Ventilation, and
Air-Conditioning (HVAC) controls . . . . . . . .
. . . . . . . . . . . . . . . . . 55.051
Harnesses and connectors . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. 55.100 Alternator . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . 55.301 External
lighting . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . 55.404 Warning indicators, alarms, and
instruments. . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. 55.408 Electronic modules . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . 55.640 Autopilot/Autoguidance
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . 55.680 FAULT
CODES . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . 55.DTC Product feeding .......................
..................................................
. 60 Cotton picking . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . 60.600 Cotton conveyor .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . .
60.610 Lubrication system .......................
...............................................
71
84564004 27/11/2012
4
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Grease lubrication system . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . 71.460 Crop storage / Unloading
..................................................
........... 80 Cotton basket and compactor . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . 80.200 Cotton basket lift system
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . 80.210 Cotton
unloading conveyor . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . .
80.400 Basket door closing system . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . 80.410 Platform, cab, bodywork, and
decals ...........................................
.. 90 Operator platform less cab . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . 90.110 Protections and footboards . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . 90.118 Pneumatically-adjusted
operator seat . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . 90.124
84564004 27/11/2012
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INTRODUCTION
84564004 27/11/2012 1
7

• INTRODUCTION
• Foreword
• Soil, air, and water are vital factors of
  agriculture and life in general. When legislation
  does not yet rule the treatment of some of the
  substances required by advanced technology, sound
  judgment should govern the use and disposal of
  products of a chemical and petrochemical nature.
• NOTE The following are recommendations that may
  be of assistance
• Become acquainted with and ensure that you
  understand the relative legislation applicable to
  your country.
• Where no legislation exists, obtain information
  from suppliers of oils, filters, batteries,
  fuels, antifreeze, cleaning agents, etc., with
  regard to their effect on man and nature and how
  to safely store, use, and dispose of these
  substances.
• Agricultural consultants will, in many cases, be
  able to help you as well.
• Helpful hints
• Avoid filling tanks using cans or inappropriate
  pressurized fuel delivery systems that may cause
  considerable spillage.
• In general, avoid skin contact with all fuels,
  oils, acids, solvents, etc. Most of them contain
  substances that may be harmful to your health.
• Modern oils contain additives. Do not burn
  contaminated fuels and or waste oils in ordinary
  heating systems.
• Avoid spillage when draining off used engine
  coolant mixtures, engine, gearbox and hydraulic
  oils, brake fluids, etc. Do not mix drained
  brake fluids or fuels with lubricants. Store them
  safely until they can be disposed of in a proper
  way to comply with local legislation and
  available resources.
• Modern coolant mixtures, i.e. antifreeze and
  other additives, should be replaced every two
  years. They should not be allowed to get into
  the soil, but should be collected and disposed of
  properly.
• Do not open the air-conditioning system yourself.
  It contains gases that should not be released
  into the atmosphere. Your CASE IH AGRICULTURE
  dealer or air conditioning specialist has a
  special extractor for this purpose and will have
  to recharge the system properly.
• Repair any leaks or defects in the engine cooling
  or hydraulic system immediately.
• Do not increase the pressure in a pressurized
  circuit as this may lead to a component failure.

84564004 27/11/2012 3
8
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 and on machine decals, you
will find the signal words DANGER, WARNING, and
CAUTION followed by special instructions. 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
which, if not avoided, will result in death or
serious injury. The color associated with DANGER
is RED. WARNING indicates a hazardous situation
which, if not avoided, could result in death or
serious injury. The color associated with WARNING
is ORANGE. CAUTION, used with the safety alert
symbol, indicates a hazardous situation which, if
not avoided, could result in minor or moderate
injury. The color associated with CAUTION is
YELLOW.
FAILURE TO FOLLOW DANGER, WARNING, AND CAUTION
MESSAGES COULD RESULT IN DEATH OR SERIOUS
INJURY. Machine safety NOTICE Notice indicates a
situation which, if not avoided, could result in
machine or property damage. The color associated
with Notice is BLUE. 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 which 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.
84564004 27/11/2012 5
9

• INTRODUCTION
• Safety rules - Personal safety
• Carefully study these precautions, and those
  included in the external attachment operators
  manual, and insist that they be followed by those
  working with and for you.
• Thoroughly read and understand this manual and
  the attachment Operators Manual before operating
  this or any other equipment.
• Be sure all people and pets are clear of the
  machine before starting. Sound the horn, if
  equipped, three times before starting engine.
• Only the operator should be on the machine when
  in operation. Never allow anyone to climb on to
  the machine while it is in motion. If the
  machine is equipped with an Instructors Seat,
  this must only be used for training purposes.
  Passengers must not be allowed to use the
  Instructors Seat.
• Keep all shields in place. Never work around the
  machine or any of the attachments while wearing
  loose clothing that might catch on moving parts.
• Observe the following precautions whenever
  lubricating the machine or making adjustments.
• Disengage all clutching levers or switches.
• Lower the attachment, if equipped, to the ground
  or raise the attachment completely and engage the
  cylinder safety locks. Completing these actions
  will prevent the attachment from lowering
  unexpectedly.
• Engage the parking brake.
• Shut off the engine and remove the key.
• Wait for all machine movement to stop before
  leaving the operators platform.
• Always keep the machine in gear while travelling
  downhill.

84564004 27/11/2012 6
10
SERVICE MANUAL Engine
635 MODULE EXPRESS
84564004 27/11/2012 10
11
Engine - Engine and crankcase Engine - Special
tools NOTICE Lift equipment, boom, equalizer,
chains and slings used to remove and install the
engine must be rated to handle the engine weight
- 888 kg (1958 lb), or personal injury or
equipment damage may occur. An equalizer with an
adjustable tilt feature can speed en- gine
removal and installation on the machine. NOTE
OEM-4130 OR EQUIVALENT
20103152 1
Lift truck boom A boom arm mounted to a lift
truck or a mobile lifting crane is recommended
for engine removal and installation.
20103153 2
Engine Barring Tool - 380002822
380002822 3
Engine - General specification
Oil type CASE IH Akcela No. 1 Engine oil
Oil capacity (without filter change) 25 l (26.4 US qt)
Oil capacity - (with oil filter change) 27 l (28.5 US qt)
NOTE DO NOT add performance additives or other
oil additive products to the engine crankcase.
84564004 27/11/2012 10.001 / 3
12
Engine - Engine and crankcase Engine - Exploded
view Reference illustrations
93110546 1 Door, shield and trash barrier
components to be removed
(1) Lower left supportstrap (6) Front right lower trash barrier (10) Engine compartment door
(2) Front left upper trash barrier (7) Center panel (11) Trash deflector
(3) Bottom angle (8) Right front support (12.) Hinge support channel
(4) Front right upper trash barrier (9) Engine door support (13) Fan compartment door
(5) Front left trash barrier
84564004 27/11/2012 10.001 / 4
13
Engine - Engine and crankcase
93110569 2 Engine, hydrostatic drive and system
pump components - right-hand view
(1) Hydrostatic drive (6) Turbocharger air line (10) Belt tensioner
(2) Engine lift anchor (7) Turbocharger (11) Compressor drive pulley
(3) Engine mount (8) Rotary screen pump (12.) Spacer
(4) ISO bracket (9) Air conditioning compressor (13) Fan
(5) Charge air line
84564004 27/11/2012 10.001 / 5
14
Engine - Engine and crankcase
93112991 3 Engine, hydrostatic drive and system
pump components - left-hand view
(1) Hydrostatic drive (4) Pulley support (7) Flex plate
(2) System pump (5) Bell housing (8) Engine mount
(3) Belt guard (6) Engine lift anchor
84564004 27/11/2012 10.001 / 6
15
Engine - Engine and crankcase Engine - Service
instruction The machine should be on a firm,
level surface while doing these procedures. The
Left and Right side are the same as your Left and
Right hand while sitting in the operators seat
facing the normal field operation direction of
travel. All service or repairs should be per
formed by a qualified technician. Repair
procedure instructions should be read and
understood before starting the procedure. All
damaged or worn parts should be replaced. Make
sure all parts are clean and free of debris
before assembly. Proper tools should be used when
during disassemble and assemble procedures.
84564004 27/11/2012 10.001 / 7
16
Engine - Engine and crankcase
Engine - Remove
DANGER Crushing hazard! Always place the
hydraulic lockout switch in the LOCK position and
block the raised module chamber before you work
under a raised module chamber. Failure to comply
will result in death or serious injury. D0111A

• If the engine is operable, start the engine and
  raise the module chamber. Stop the engine and
  remove the key.
• If the engine is not operable, perform the
  following to raise the module chamber
• Locate the hydraulic lockout valve (1) on the
  tilt cylinder and plumb an alternate hydraulic
  source into the existing fitting (2).
• Plug the hose that was connected at the fitting
• (2) to prevent hydraulic fluid loss and to
  prevent contamination of the hydraulic system.
• Use a tractor remote valve or other source to
  raise the module chamber.

NOTE Leave the hose used to raise the module
cham- ber connected to the valve by disconnecting
it from the hy- draulic power source. After
installing the engine, use the auxiliary
hydraulic power source to recapture the excess
oil that was introduced into the tilt
cylinder. NOTE If hydraulic fluids with
different performance char- acteristics were
mixed to raise the module, both reservoirs
(machine and hydraulic source) will need to be
drained and filled with new hydraulic fluid.
20103156 1

1. Engage the hydraulic lockout switch and block
   mod- ule chamber.
2. Disconnect the batteries by rotating the lever to
   the vertical position.

93110567 2
84564004 27/11/2012 10.001 / 8
17
Engine - Engine and crankcase
5. Remove the side panels (1) on both sides of
the ma- chine four panels on each side.
93110571 3
6. Turn off the fuel at the shutoff valve (1).
93110565 4
7. Drain engine coolant into an appropriate
container.
NHIL12COT0187AA 5
8. Open and remove the engine compartment
doors (1).
NHIL12COT0189AA 6
84564004 27/11/2012 10.001 / 9
18
Engine - Engine and crankcase
9. Open and remove fan compartment door (1).
NHIL12COT0190AA 7
10. Remove engine compartment door support (1) .
NHIL12COT3192AA 8
11. Remove engine compartment door support
channel (1) and braces (2).
NHIL12COT0224AA 9
12. Remove right mounting bolt and nut (1) for
the muf- fler.
93110561 10
84564004 27/11/2012 10.001 / 10
19
Engine - Engine and crankcase

1. Loosen the clamp and remove the aspirator hose
   (1) from the muffler. Cut any tie wraps that
   secure the hose in the engine compartment then
   move the hose out of the way.
2. Loosen the turbocharger clamp and remove the muf-
   fler from the compartment.

NHIL12COT0194AA 11

1. Remove the charge air line to the manifold by
   remov- ing the clamp.
2. Plug and seal the manifold and charge air line.

93112989 12

1. Loosen the clamp and remove the turbo air line to
   the turbocharger. Retain the O-ring.
2. Cap and seal the turbo line.

93110588 13
19. At the opposite end of the charge air and
tur- bocharger air tubes, loosen the clamps and
remove the seal from the rear tubes. Use a clean
shop towel or tape to seal tubes and openings.
93110560 14
84564004 27/11/2012 10.001 / 11
20
Engine - Engine and crankcase

• Loosen the clamp and remove the air cleaner el-
  bow from the turbocharger. Loosen the clamp on
  the other end beyond the left engine sheet, and
  remove line from the compartment.
• NOTE Retain the rubber connector and the ruducer
  pieces.
• Use a clean shop cloth and clamp to seal off the
  cleaner line. Seal the turbocharger inlet with
  tape.

20103170 15

• Loosen the clamp and remove the upper radiator
  tube (1).
• NOTE Be prepared to collect some coolant when
  the tube is removed.
• Loosen the clamp and remove the engine head vent
  line (2).

20103172 16
24. Loosen the clamp and remove the lower
radiator tube. NOTE Be prepared to collect some
coolant when the tube is removed.
NHIL12COT0204AA 17
25. Disconnect the alternator air hose (1).
NHIL12COT0205AA 18
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21
Engine - Engine and crankcase
26. Use a 1/2 inch socket drive in the belt
tensioner to release belt tension and remove
serpentine belt.
NHIL12COT0206AA 19
27. At the air conditioning compressor,
disconnect the compressor clutch harness (1) and
the high pressure switch harness (2).
NHIL12COT0207AA 20

• Remove the two mounting bolts and nuts for the
  com- pressor and the bolt from the adjusting
  strap, and re- move the compressor with hoses.
• NOTE Temporarily, hang the compressor clutch
  belt from the drive pulley.
• Move the compressor with hoses outside the engine
  compartment and support the assembly.

93112990 21
30. On the right-hand side of the machine,
disconnect the wiring harness (1).
93112994 22
84564004 27/11/2012 10.001 / 13
22
Engine - Engine and crankcase
31. On the left-hand side of the machine,
disconnect the fuel lines (1).
93112997 23
32. Remove the clamp that secures the rotary air
screen and grease pump pressure lines from the
left-hand side of the upper fan shroud.
93110536 24

1. Remove the two bolts on the left-hand side and
   two bolts on the right-hand side that hold the
   upper and lower halves of the fan shroud.
2. Remove the three bolts that secure the upper
   shroud.

93110537 25
35. Lift the upper shroud out of the top of the
engine compartment for access to the fan. The
lower fan shroud can remain in place.
NHIL12COT0210AA 26
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23
Engine - Engine and crankcase
36. Remove the engine fan (1) by removing six
bolts (2).
NHIL12COT0112AA 27
NOTE The hydrostatic drive must be supported
when the engine is removed. 37. Support the
hydrostatic drive pumps as shown.
NHIL12COT0167AA 28
38. Remove the system pump guard (1) by removing
the two 10 mm (3/8 in) bolts (2) .
NHIL12COT0225AA 29
39. Remove the three bolts that secure the
pulley bracket on the pump, then remove the
bracket. The belt for the system pump can remain
with the drive pulley.
20103188 30
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24
Engine - Engine and crankcase
40. On the right-hand side of the machine,
loosen the clamp (1) then disconnect the heater
supply hose (2) at the engine valve.
93112996 31
41. On the left side of the machine at the
starter, discon- nect the following components
Remove the nut and disconnect the ground strap
(1). Remove the nut and disconnect the battery B
power line (2) from the starter. Remove the
orange wire on the harness coil (3).



93112992 32
93112993 33
42. Remove cap to the starter solenoid screw.
Remove the screw and disconnect the solenoid wire
to the starter.
93110541 34
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25
Engine - Engine and crankcase
43. At the left side of the machine, remove the
grease line (1) to the conveyor fan clutch
cylinder.
NHIL12COT0217AA 35
44. Remove the pin (1) to disconnect the cylinder.
NHIL12COT0226AA 36

1. Remove the rod nut (2) to disengage the cylinder
   from the yoke, and remove the cylinder.
2. Remove the pulley yoke (1) with a hammer and
   punch by removing the roll pin (3) and pivot pin
   (4).

20103193 37
47. Remove the upper rear fan shield (1) by
removing appropriate hardware , including nuts
and bolts on the side supports and the nut at the
top as shown.
93110547 38
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26
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Engine - Engine and crankcase

• Remove the following components
• Center panel (1)
• Barrier angle bottom (2)
• Front left upper trash barrier (3)
• Lower left support strap (4)
• Front left lower trash barrier (5)
• Front right upper trash barrier (6)

93110543 39
49. Remove the four bolts securing the
hydrostatic drive from to the bell housing. Use a
pry bar or crow bar to separate the driven shaft
from the engine, then move the drive forward,
away from the engine.
NHIL12COT0167AA 40
50. Remove the nuts (1) from the engine mounting
bolts, but DO NOT remove the bolts at this time.
NHIL12COT0113AA 41
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28
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