CASE IH MXM140 Tractor Service Repair Manual Instant Download

MXM120, MXM130, MXM140, MXM155, MXM175, MXM190 REPAIR MANUAL COMPLETE CONTENTS SECTION 00 - GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 SECTION 10 - ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 SECTION 18 - CLUTCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 SECTION 21 - TRANSMISSION SYSTEMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 SECTION 23 - DRIVE LINES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 SECTION 25 - FRONT AXLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 SECTION 27 - MECHANICAL REAR WHEEL DRIVE . . . . . . . . . . . . . . . . . . . . 26 SECTION 31 - POWER TAKE-OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 SECTION 33 - BRAKES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 SECTION 35 - HYDRAULIC SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 SECTION 41 - STEERING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 SECTION 44 - FRONT AXLE AND WHEELS . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 SECTION 50 - AUXILIARY UNITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 SECTION 55 - ELECTRICAL SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 SECTION 90 - CAB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 The following pages are the collation of the contents pages from each section and chapter of the MXM Series Repair manual. Complete Repair part # 87613647. ThesectionsusedthroughoutallCaseIHproductRepairmanualsmaynotbeusedfor eachproduct. EachRepair manual will be made upofone or several books. Eachbook willbelabeledastowhichsectionsareintheoverallRepairmanualandwhichsections are in each book. The sections listed above are the sections utilized for the MXM Series Tractors. 11/06 87613659 Replaces 87020450 2006 CNH America LLC Printed In U.S.A.

SECTION 00 - - GENERAL - - CHAPTER 1 1 SECTION 00 - GENERAL Chapter 1 - General CONTENTS Section Description Page General Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Important Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Shimming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Rotating Shaft Seals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 O Rings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Sealers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Spring Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Precautionary Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Equipment Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Spare Parts Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 General Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Health and Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Health and Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Precautionary Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 The Tractor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Driving the Tractor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Operating the Tractor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Operating the PTO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Servicing the Tractor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Diesel Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 ROPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Ecology and the Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Minimum Hardware Tightening Torques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Federal Emissions Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 California Emission Control Warranty Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Lubricants and Coolants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Sulphur in Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Biodegradable Transmission, Drive Axle, Hub, and Hydraulic System Oil . . . . . . . . . 24

SECTION 00 - - GENERAL - - CHAPTER 1 2 WARNING WARNING All maintenance and repair work described in this manual must be performed exclusively by CASEIHservicetechniciansin strictaccordance with the instructions given and using any specific tools necessary. The Manufacturer and all organizations belong- ing to the Manufacturer s distribution network, including but not restricted to national, regional orlocaldistributors,willacceptnoresponsibility forpersonalinjuryordamagetopropertycaused by abnormal function of parts and/or compo- nents not approved including those used for maintenance and/or repair of the product manufactured or marketed by the Manufacturer. In any case, the product manufactured or marketed by the Manufacturer is covered by no guarantee of any kind against personal injury or damage to property caused by abnormal function of parts and/or components not approved by the Manufacturer. by the Manufacturer, WARNING Anyone who performs the operations described herein without strictly following the instructions is personally responsible for resulting injury or damage to property.

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SECTION 00 - - GENERAL - - CHAPTER 1 3 GENERAL INSTRUCTIONS IMPORTANT NOTICE All maintenance and repair operations described in this manual should be carried out exclusively by the authorized workshops. All instructions detailed should be carefully observed and special equipment indicated should be used if necessary. Take care to insert the seal perpendicularly to its seat while you are pressing it. Once the seal is settled,ensurethatitcontactsthethrustelement, if required; To prevent damaging the sealing lip against the shaft, place a suitable installation. protection during Everyone who carries out describedwithoutcarefullyobservingtheseprescrip- tions will be directly damages. service operations O RINGS Lubricate the O rings before inserting them into their seats. This will prevent the O rings from roll over and twisting during mounting, which will jeopardize sealing. responsible of deriving SHIMMING Ateachadjustment,selectadjustingshims,measure them individually using a micrometer and then sum up recorded values. Do not rely on measuring the whole shimming set, which may be incorrect, or on the rated value indicated for each shim. SEALERS Apply silicone/gasket eliminator over the mating surfaces marked with an X. Before applying the sealer, prepare the surface as follows: remove possible scales using a metal brush; ROTATING SHAFT SEALS To correctly install rotating shaft seals, observe the following instructions: Let the seal soak into the same oil as it will seal for at least half an hour before mounting; thoroughly degrease the surfaces using one of the following cleaning agents: trichlorethylene, diesel fuel or a water and soda solution. Thoroughly clean the shaft and ensure that the shaft working surface is not damaged; BEARINGS It is advisable to heat the bearings to 80 to 90 C (176 to 194 F) before mounting them on their shafts and cool them down before inserting them into their seats with external tapping. Place the sealing lip towards the fluid. In case of a hydrodynamic lip, consider the shaft rotation direction and orient grooves in order that they deviate the fluid towards the inner side of the seal; SPRING PINS When mounting split socket spring pins, ensure that the pin notch is oriented in the direction of the effort to stress the pin. Coat the sealing lip with a thin layer of lubricant (oil rather than grease) and fill the gap between the sealing lip and the dust lip of double lip seals with grease; Spiral spring pins should not be oriented during installation. Insert the seal into its seat and press it down using a flat punch. Do not tap the seal with a hammer or a drift;

SECTION 00 - - GENERAL - - CHAPTER 1 5 HEALTH AND SAFETY HEALTH AND SAFETY PRECAUTIONS Many of the procedures associated with vehicle maintenance and repair involve physical hazards or other risks to health. This section lists, alphabeti- cally, some of these hazardous operations and the materials and equipment associated with them. The precautions necessary to avoid these hazards are identified. Mixing should only be carried out in well ventilated areas as harmful or toxic volatile chemicals may be released. Skin contact with uncured resins and hardeners can result in irritation; dermatitis and absorption of toxic orharmfulchemicalsthroughtheskin. Splashescan damage the eyes. Provide adequate ventilation and avoid skin and eye contact. Follow manufacturers instructions. The list is not exhaustive and all operations and procedures and the handling of materials, should be carried out with health and safety in mind. Anaerobic, Cyanoacrylate and other Acrylic Adhesives Many are irritant, sensitizing or harmful to the skin. Some are eye irritants. ACIDS AND ALKALIS - see Battery acids, e.g. caustic soda, sulfuric acid. Used in batteries and cleaning materials. Skin and eye contact should be avoided and the manufacturers instructions followed. Irritant and corrosive to the skin, eyes, nose and throat. Causes burns. Cyanoacrylate adhesives (super-glues) must not contact the skin or eyes. If skin or eye tissue is bondedcoverwithacleanmoistpadand getmedical attention. do not attempt to pull tissue apart. Use in wellventilatedareasasvaporscancause irritationof the nose and eyes. Avoid splashes to the skin, eyes and clothing. Wear suitable protective gloves and goggles. Can destroy ordinary protective clothing. Do not breathe mists. Ensure access to water and soap is readily available for splashing accidents. For two-pack systems see Resin based adhesives/ sealers. ADHESIVES AND SEALERS - see Fire Highly Flammable, Flammable, combustible. Isocyanate (Polyurethane) Adhesives/ Sealers - see Resin based Adhesives. Individuals suffering from asthma or respiratory allergiesshouldnotworkwithornearthesematerials as sensitivity reactions can occur. Generally should be stored in No Smoking areas; cleanliness and tidiness in use should be observed, e.g. disposable paper covering benches; should be dispensed from applicators where possible; contain- ers, including secondary containers, should be labelled. Any spraying should preferably be carried out in exhaust ventilated booths removing vapors and spray droplets from the breathing zone. Individuals working with spray applications supplied air respirators. Solvent based Adhesives/Sealers - See Solvents. should wear Follow manufacturers instructions. Water based Adhesives/Sealers ANTIFREEZE - see Fire, Solvents e.g., Isopropanol, Ethylene Glycol, Methanol. Those based on polymer emulsions and rubber lattices may contain small amounts of volatile toxic and harmfulchemicals. Skin and eye contact should be avoided and adequate ventilation provided during use. Highly Flammable, Flammable, Combustible. Used in vehicle coolant systems, brake air pressure systems, screenwash solutions. Vaporsgivenofffromcoolantantifreeze(glycol)arise only when heated. Follow manufacturers instructions. Resin based Adhesives/Sealers - e.g., epoxide and formaldehyde resin based. Antifreeze may be absorbed through the skin in toxic or harmful quantities. Antifreeze if swallowed is fatal and medical attention must be found immediately.

SECTION 00 - - GENERAL - - CHAPTER 1 6 ARC WELDING - see Welding. The effects of excessive exposure to chemicals may be immediate or delayed; briefly experienced or permanent; cumulative; superficial; life threatening; or may reduce life-expectancy. BATTERY ACIDS - see Acids and Alkalis. Gases released during charging are explosive. Never use naked flames or allow sparks near charging or recently charged batteries. Do s Do remove chemical materials from the skin and clothing as soon as practicable after soiling. Change heavily soiled clothing and have it cleaned. BRAKE AND CLUTCH FLUIDS (Polyalkylene Glycols) - see Fire. Combustible. carefully read and observe hazard and Do precaution warnings given on material containers (labels) and in any accompanying leaflets, poster or other instructions. Material health and safety data sheets can be obtained from Manufacturers. Splashes to the skin and eyes are slightly irritating. Avoid skin and eye contact as far as possible. Inhalation of vapor hazards do not arise at ambient temperatures because of the very low vapor pressure. Doorganizeworkpracticesandprotectiveclothingto avoid soiling of the skin and eyes; breathing vapors/aerosols/dusts/fumes; inadequate container labelling; fire and explosion hazards. BRAZING - see Welding. Do wash before job breaks; before eating, smoking, drinking or using toilet facilities when handling chemical materials. CHEMICAL MATERIALS - GENERAL - see Legal Aspects. Chemical materials such as solvents, sealers, adhesives, paints, resin foams, battery acids, antifreeze, brake fluids, oils and grease should always be used with caution and stored and handled with care. They may be toxic, harmful, corrosive, irritant or highly inflammable and give rise to hazardous fumes and dusts. Do keep work areas clean, uncluttered and free of spills. Do store according to national and local regulations. Do keep chemical materials out of reach of children.

SECTION 10 - - ENGINE - - CHAPTER 1 1 SECTION 10 - - ENGINE Chapter 1 - - Separating and Removing The Engine CONTENTS Section Description Tightening Torques Special Tools Separating and Removing the Engine Front Axle and Support Separating Front Axle and Support from Engine Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Engine and Front Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Separating Engine and Front Support from Transmission Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 3 4 4 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 14 14 20 21 . . . . . . . . . . . . . . . . . . . Removal Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 24

SECTION 10 - - ENGINE - - CHAPTER 1 2 TIGHTENING TORQUES 1

SECTION 10 - - ENGINE - - CHAPTER 1 3 The following general nut and bolt installation torque requirements (lubricated) apply to any operation not previously listed. ft-lb N m 11 11 19 23 31 45 65 75 88 102 122 187 INCH SERIES 1/4-- 20 1/4-- 28 5/16--18 5/16--24 3/4-- 16 3/4-- 24 7/16--14 7/16--20 1/2-- 13 1/2-- 20 9/16--18 5/6 --18 8 8 14 17 23 33 48 55 65 75 90 138 SPECIAL TOOLS (Prior Tool Numbers, where applicable, shown in brackets) Description Tool Number Engine Lifting Brackets 82932534 and 82852825 Engine revolving stand Engine overhaul brackets kit -- Use with 380000301 380000301 or 380000361 380000313 Tractor splitting kit Engine support brackets (for use with tractor splitting kit) CAS.30009A or 380000569 380000500

SECTION 10 - - ENGINE - - CHAPTER 1 SEPARATING AND REMOVING THE ENGINE 4 FRONT AXLE AND SUPPORT Separating Front Axle and Support from Engine 1. Disconnect battery ground lead (1) and then dis- connect the positive lead (2). 2 2 2. If frontweights arefitted tothe frontof thetractor remove using suitable hoist with adequate safe working load. 3 3. Disconnect air to air intercooler pipes. 4 4. Disconnecttransmissionoilcoolerhoses (1)and drain oil into clean container. 1 5

SECTION 10 - - ENGINE - - CHAPTER 1 5 5. Remove clips (1) securing air conditioning con- densor tubes to side of radiator. 6 6. Withdraw condensor from front of radiator and place in a safe place on side of engine. disconnect the hoses to the NOTE: condenser unless the air conditioning system has been evacuated as described in Section 50 of this Repair Manual. Never 7 7. Drain the cooling system fluid into a clean con- tainer and disconnect the radiator hoses. Dis- connection of the radiator lower hose provides a suitable drain point. Place a large clean tray un- der the vehicle to capture the fluid for future use. 8

SECTION 10 - - ENGINE - - CHAPTER 1 6 Tractors fitted with suspended front axle 1. Depressurize the suspension system by rotating screw on top of the suspension load sense un- load valve clockwise. When the tractor has low- ered completely onto the front support stops ro- tate the screw counterclockwise to normal operating position. 9 2. Disconnectthepipestothefrontaxlesuspension cylinders. WARNING On tractors with suspended front axle ensure suspension has been fully lowered as described above before disconnecting suspension cylinder hoses. 10 3. Remove suspension pipes and guard. 11 4. Remove the rear pivot block bolts. 12

SECTION 10 - - ENGINE - - CHAPTER 1 7 5. Position trolley jack beneath front support and raise front of tractor. 13 6. Position a suitable piece of strong timber be- tween oil pan and suspension arm. 14 7. In a controlledmanner lowerthe frontof thetrac- tor to the ground. The lowering action will cause the suspension arm pivot block to separate from the transmission casing. 15 8. Disconnect and remove front wheel drive shaft universal joint. 16

SECTION 10 - - ENGINE - - CHAPTER 1 8 9. Remove engine side rails 17 10. Disconnect the 2 steering tubes and differential lock tube from the right hand side. NOTE: If front axle brakes are fitted, disconnect the common brake pipe to the axle. 18 Tractors fitted with standard FWD axle 1. Remove engine side rails where fitted. 19 2. Remove front wheel drive shaft guard, if fitted. 20

SECTION 10 - - ENGINE - - CHAPTER 1 9 3. Remove drive shaft. NOTE: The type of driveshaft fitted is dependant on type of axle installed. 21 4. Disconnect power steering hoses (1) and (2) on each side of the tractor. Disconnect differential lock hose (3). NOTE: Pipework will vary depending on type of axle installed. NOTE: If front axle brakes are fitted, disconnect the common brake pipe to the axle. 22 5. Inspect the harness connections between the engine and front support and disconnect where necessarytoenablethefrontsupportandaxleto be separated from the engine. NOTE: The type and number of connections to be disconnected is dependant on the build option and ancillary equipment fitted to the front of the tractor. 23

SECTION 10 - - ENGINE - - CHAPTER 1 10 24 6. Position CAS.3009A beneath tractor. 7. Use supports part of kit to support the transmis- sion (2) on the splitting stand. 8. On tractors with suspended front axle support the suspension arm using the wheeled splitting trolley (1) which is part of tractor splitting kit. splitting kit (3) or 380000569 NOTE: On tractors not fitted with suspended front axle the engine may be supported using brackets 380000500andwheeledsplittingtrolleyasillustrated in Figure 54.

SECTION 10 - - ENGINE - - CHAPTER 1 11 9. Position wooden wedges (1) between the front axle and support. These prevent articulation of the axle and must be used. 25 10. Using spreader bar and suitable chains or slings attachthefront andrear ofthe supportassembly to a moveable overhead hoist. WARNING Always ensure the support is adequately supported and will remain stable when separated from the engine. Failure to provide adequate support may cause the assembly to be unstable with possible personal injury if the support tips forwards or backwards. 26 11. Remove front support to engine securing bolts and separate front support from the engine. 12. Separate front support from engine. 27 13. Support assembly on axle stands at front and rear of support. 28

SECTION 10 - - ENGINE - - CHAPTER 1 12 14. On tractors with suspended front axle position stands under the support and suspension arm. 29 15. Identifyforuseduringreassemblythetwoshims positioned between the engine sump and front support. 30 Installation The following procedure must be observed when reassembling the front support to the engine. 1. Installspacersontwooutermountingbolts(1)on either side of the engine. 31 2. Ensure shims, Figure 30 removed during disas- sembly are repositioned in the same location as when disassembled. NOTE: If a new front support or the engine oil pan has been removed and replaced during overhaul itis necessary to recalculate the new shim thickness to be installed using the following procedure. 3. Install 4.5 mm yellow shim part number 82026240 onto each of the engine mounting studs. 32

SECTION 10 - - ENGINE - - CHAPTER 1 13 4. Assemble front support to engine and torque the four upper retaining bolts to specified torque 5. Using feeler gauges measure space between each shim and front support. 33 6. Add feeler gauge dimension to the 4.1mm shim thickness already installed and select appropri- ate shims from following list. Color Code Shim Thickness 4.5 mm 4.8 mm 5.1 mm 5.4 mm 5.7 mm 6.0 mm 6.3 mm 6.6 mm 6.9 mm 7.2 mm 7.5 mm 7.8 mm Part Number Yellow Green Red Blue White Black Pink Light Blue Gold Lime Orange Blue/Grey 82026240 82026241 82026242 82026243 82026244 82026245 82026246 82026247 82026248 82026249 82026250 82026251 7. Separate front support from engine and replace 4.1mmshimswithshimsofcalculatedthickness. 8. Reinstall frontsupport andtighten retainingbolts to specified torques.

SECTION 10 - - ENGINE - - CHAPTER 1 14 ENGINE AND FRONT SUPPORT Separating Engine and Front Support Transmission from 1. Disconnect battery. The ground lead (1) should be disconnected first. 34 2. Disconnecthoodharnessconnectorandremove exhaust muffler and hood. 35 3. To ensure correct reassembly identify steering pipes (1), and transmission oil cooler pipes (3), and disconnect. Similarly disconnect four wheel drive diff lock pipe (2). 36 4. Remove air brake unload valve (1) where fitted. 37

SECTION 10 - - ENGINE - - CHAPTER 1 15 5. Disconnect harness and remove starter motor. 38 6. Disconnect brake tubes to master cylinder. 39 7. Disconnectmainharnesstoengineharnesscon- nectors located beneath front of cab. 40 8. Disconnect air conditioning atquick releasecou- plers on left hand side of engine. 41

SECTION 10 - - ENGINE - - CHAPTER 1 16 9. Disconnect water pipe to heater shut off tap at rear of cylinder head. Similarly disconnect water hose to cab near the engine bellhousing. 42 Tractors with Suspended front axle 1. Depressurize the suspension system by rotating screw on side of suspension load sense unload valve clockwise. When the tractor has lowered completelyontothefrontsupportstopsrotatethe screwfullycounterclockwisetonormaloperating position. 43 2. Disconnectthepipestothefrontaxlesuspension cylinders. WARNING On tractors with suspended front axle ensure suspension has been fully lowered as described above before disconnecting suspension cylinder hoses. 44 3. Remove suspension pipes and guard. 45

SECTION 10 - - ENGINE - - CHAPTER 1 17 4. Remove the rear pivot block bolts. 46 5. Position trolley jack beneath front support and raise front of tractor. 47 6. Position a suitable piece of strong timber (1) be- tween oil pan and suspension arm. 48 7. In a controlledmanner lowerthe frontof thetrac- tor to the ground. The lowering action will cause the suspension arm pivot block to separate from the transmission casing. 49

SECTION 10 - - ENGINE - - CHAPTER 1 18 8. Disconnect and remove front wheel drive shaft universal joint. 50 Tractors with Standard FWD Axle 1. Remove front wheel drive propshaft guard and propshaft NOTE: The type of driveshaft fitted is dependant on type of axle installed 51 2. Remove driveshaft flange, where fitted. 52 3. Remove engine side rails 53

SECTION 10 - - ENGINE - - CHAPTER 1 19 54 4. Position CAS.30009A beneath tractor. 5. Use supports, part of kit to support the transmis- sion (2) on the splitting stand. 6. Remove 2 oil pan bolts from each side of the en- gine and install engine support brackets (1) 380000500 between engine and wheeled split- ting trolley, part of tractor splitting kit. splitting kit (3) or 380000569

SECTION 10 - - ENGINE - - CHAPTER 1 20 7. Position wooden wedges (1) between the front axle and support. These prevent articulation of the axle and must be used. 55 8. Remove cover plate bolt (1) on lower left hand side of engine. 56 9. Check that all necessary hoses tubes and con- nectors have been disconnected. It may be nec- essary to disconnect additional items due to oth- er optional equipment that has been installed on the tractor. 10. Re check that engine and transmission aresafe- ly supported on the splitting stand then remove engine to transmission buckle up bolts. 11. Carefully wheel the front support and engine as- sembly from the transmission. 57 Installation 1. Installation is removal procedure in reverse. 2. Tighten all buckle up bolts to correct torque.

SECTION 10 - - ENGINE - - CHAPTER 1 21 ENGINE Removal 1. Separate the front axle and support from the en- gine as described on Page 4. NOTE:Theenginecanalsoberemovediftheengine hasinitiallybeenseparatedfromthe transmissionas describedonPage14.Care mustbetakentoensure the engine, axle and front support are safely sup- ported before separating the axle and front support from the engine. 58 2. Remove the air cleaner system. 59 3. To ensure correct reassembly identify steering pipes (1) and transmission oil cooler pipes (3) and disconnect. Similarly disconnect four wheel drive differential lock pipe (2). 60 4. Remove air brake unload valve (1) where fitted. 61

SECTION 10 - - ENGINE - - CHAPTER 1 22 5. Disconnect harness and remove starter motor. 62 6. Disconnect brake tubes to master cylinder. 63 7. Disconnectmainharnesstoengineharnesscon- nectors located beneath front of cab. 64 8. Disconnect air conditioning atquick releasecou- plers on left hand side of engine. 65

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SECTION 10 - - ENGINE - - CHAPTER 1 23 9. Remove air conditioning compressor, condens- er, receiver dryer and pipework from engine as a complete assembly without disconnecting pipe- work. IMPORTANT:Ifitisnotpossibletoremoveaircondi- tioning components as a complete assembly the air conditioning system must be evacuated as de- scribed in Section 50 of this Repair Manual. Itisanoffencetodischargeairconditioningsys- tems into the atmosphere. 66 10. Disconnect water pipe to heater shut off tap at rear of cylinder head. Similarly disconnect water hose to cab near the engine bellhousing. 67 11. Attach lifting brackets 82932534 and 82852825 to the engine. 68 12. Attach suitable sling or chains to overhead hoist and support engine. 13. Remove engine to transmission buckle up bolts and remove engine from transmission. 69

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