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Chapter 6  Front axle(4WD)

1. GENERAL DESCRIPTION

The 4WD front axle is a center pivot type.The front wheel drive mechanism is incorporated as a part
of the axle.

The front wheel drive power is taken off the rear transmission and transmitted to the differential in 
the front axle where the power is divided into right and left and to the respective final cases.
In the final cases,the transmitted revolution is reduced by the bevel gears to drive the front wheel.
The 4WD mechanism with bevel gears provides wider steering angle and greater durability. 

6-1

Fig 6-1

Содержание T303HST

Страница 1: ...TYM WORKSHOP MANUAL FOR TRACTORS T303HST T353HST 604 9 Namsan dong Changwon city Kyungnam Korea TEL 82 55 279 4379 FAX 82 55 279 4447 www tym co kr...

Страница 2: ...Chapter 3 Engine accessories Chapter 4 HST system Chapter 5 Transmission Chapter 6 Front axle 4WD 01 02 03 04 05 06 Chapter 7 Rear axle and Brakes Chapter 8 Power steering system Chapter 9 Hydraulic s...

Страница 3: ...RSAL SYMBOLS SECTION 1 TRACTOR TYPES AND PUNCHED IDENTIFICATION MARKS SECTION 2 SPECIFICATIONS SECTION 3 GEAR TRAIN DIAGRAMS 1 1 1 2 1 5 1 6 1 11 1 14 1 15 1 17 1 20 SECTION 4 PRECAUTIONS FOR TRACTOR...

Страница 4: ...d consequently complete disassembly and reassembly are outlined The mechanic is relied upon to decide how far disassembly must be carried when complete overhaul is not required Study unfamiliar servic...

Страница 5: ...lyte It contains sulfuric acid which is a poison and can cause blindness Avoid it contacting eyes skin or clothing sulfuric acid will eat through and can cause blindness Avoid it contacting eyes skin...

Страница 6: ...g clothing Stop the engine and be sure PTO driveline is stopped before making adjustment connections or cleaning out PTO drive equipment SERVICE TIRES SAFELY Tire changing can be dangerous and should...

Страница 7: ...EANING OF SIGN DANGER Serious hazard with a very high level of risk of either serious injury or death WARNING Hazard or unsafe practice that can lead to severe injury or death CAUTION Hazard or unsafe...

Страница 8: ...l safety signs in good condition Replace missing or damaged safety signs RECOGNIZE SAFETY INFORMATION This symbol Safety Alert Symbol means ATTENTION YOUR SAFETY IS INVOLVED The message that follows t...

Страница 9: ...c roads unless prohibited by state or local regulations local regulations Use slow moving vehicle SMV sign when driving on public road during both day night time unless prohibited by law PRACTICE SAFE...

Страница 10: ...PTO lever in disengaged position while attending to Safety Starter Switch or any other work on Tractor SAFETY STARTER SWITCH 1 Clutch operated safety switch is provided on all Tractors which allow the...

Страница 11: ...be worn during machine operation when the machine is equipped with a certified ROPS Failure to do so will reduce or eliminate protection for the operator in the event of a roll over PRECAUTION TO AVOI...

Страница 12: ...ear eye protection and acid proof hand gloves 3 Avoid breathing direct fumes when electrolyte is added 4 Do not add water to electrolyte as it may splash off causing severe burns If you spill acid on...

Страница 13: ...Lock brakes together use warning lights and SMV emblem while driving on roads Lower equipment place gear shift levers in neutral stop engine remove the key and apply parking brake before leaving the t...

Страница 14: ...ating below 32 F use suitable anti freeze solution as coolant WARNING Location On dash cover side LH Part No 1260 904 067 0A 1 12 Location On battery bracket RH Part No 1260 904 066 0 Location On rear...

Страница 15: ...art with transmission in gear Do not connect or short across terminal on starter solenoid Attach booster cables as shown on battery decal and operator s manual Starting in gear causing runaway can res...

Страница 16: ...m Setting Engine coolant temperature Warning Hare fast or maximum setting Fuel level Hazard warning Transmission oil pressure Engine Stop Neutral Turn signal 1 14 Stop control Neutral Turn signal Ligh...

Страница 17: ...ne type and number on the R H S of Engine body Manufacturer s tractor Sr No stamped on plate on the L H S of Axle bracket 1 15 stamped on plate on the L H S of Axle bracket 1 MODEL NAME PLATE The plat...

Страница 18: ...3 Engine model Identification and serial number Location 1 16...

Страница 19: ...jection pump Direct Lubrication type Forced circulation Cooling system Water cooled Forced circulation Coolant capacity 7 1 85 US gal 1 17 Coolant capacity 7 1 85 US gal Air cleaner Dry Single Element...

Страница 20: ...ront 8 16 4PR Rear 12 4 24 6PR R4 Front 27X10 50 15 8PR Rear 12 5 20 R4 12PR R3 Front 27X10 50LL 15 6PR Rear 41X14 00 20 RL Front Center pin 1 18 Axle type Front Center pin Rear Central axle Implement...

Страница 21: ...MEMO 1 19...

Страница 22: ...SECTION 3 GEAR TRAIN DIAGRAMS FIG 1 3 GEAR TRAIN DIAGRAM 1 20...

Страница 23: ...the monitor array will light when the main switch is turned from OFF to ON All lights on the panel go out automatically when the engine is started and its speed is increased to a specific level Do no...

Страница 24: ...MEMO 1 22...

Страница 25: ...2 CONTROLS 1 23 Cruise Control Lamp Oil pressure lamp PTO monitor Lamp High beam lamp Low beam lamp Glow signal Lamp fuel Charge lamp Parking brake lamp 4WD drive lamp Check lamp MONITOR LIGHT ARRAY...

Страница 26: ...35 9 25 US gal 4 FRONT AXLE Gear oil 80 or 90 API GL 4 grade 8 2 2 166US gal 5 FINAL DRIVE CASE B Gear oil 80 or 90 API GL 4 grade 6 Clutch pedal shaft Grease As required 7 BALL JOINT Grease As requir...

Страница 27: ...s Level is between upper and lower limits Oil filter Air cleaner Clean after every 100hrs Replace element that has been washed more than 5 times Radiator coolant Replace every year Fill coolant up to...

Страница 28: ...rs Brake pedal Free play 1 18 1 57 in Greasing up each part Replenish after every 50 hrs every time after pudding inspection replenish and adjustment Replacement Cleaning and or washing Consult your D...

Страница 29: ...s Oil leaks in clutch housing Check every year by removing the plug installed in the front bottom of clutch chamber Hydraulic fluid filter Replace after initial 100 hrs and then after every 300 hrs 4W...

Страница 30: ...COMPONENTS 2 5 2 5 2 6 2 7 2 12 2 16 2 18 2 20 2 21 SECTION 3 SEPARATION OF MAJOR COMPONENTS 1 Separation of the front axle and axle bracket 2 Separation of the engine and front axle bracket 3 Separat...

Страница 31: ...as the identification number faces in a direction for easy visual 5 To prevent oil or water leaks use the liquid gasket as required 6 When lifting up only the front or rear part of the tractor be sure...

Страница 32: ...2 Spring pins should be installed so that their seams should face the direction from which the load is applied 3 The roll pins installed in the transmission or other parts where much force is applied...

Страница 33: ...a direction that will provide easy access for a grease gun 4 Each contact surface should be coated with an adhesive THREE BOND TB 1215 and tightened evenly with bolts Adhesive coated surfaces should...

Страница 34: ...ler Center pivot Final case Differential gear Muffler HST UNIT PTO Clutch Flow Divider HST control linkage Engine front parts 2 4 Rear transmission Cylinder case Brake case Rear Axle Housing Mid PTO g...

Страница 35: ...hand and left hand tie rods 4 Remove the pivot metal bolts 5 Remove the front axle assembly forward Note When working on the 4WD version the drive shaft should be removed ahead of time 2 Installation...

Страница 36: ...nd Engine hood 5 Open the front grille 6 Detach the head light wiring 7 Remove the other wiring 8 Remove the inlet pipe from the air cleaner 9 Remove the air cleaner Note Here the air cleaner can be r...

Страница 37: ...s should be covered with plastic caps or the like to keep out dust or other foreign matter 2 installation Reassemble in reverse order of removal 1 Install the axle bracket on the engine 2 Retighten th...

Страница 38: ...o that the transmission side can be moved when needed FIG 2 13 FIG 2 14 4 Disconnect the panel instrument set removing bolts 4 nos 2 8 Fig Stands 5 Disconnect the battery cables FIG 2 15 Note Tilt the...

Страница 39: ...near shift control cable Disconnect the cable from both the steering lever side and transmission 7 Remove the mounting bolts and dismounting the dash panel FIG 2 18 hardware Disassembly 2 9 FIG 2 17 8...

Страница 40: ...oist and hold FIG 2 20 suction pipe 2 10 1 Lift the engine with the hoist and hold the front axle bracket with a stands or the like 2 Disconnect the upper Lower and drain hoses from the radiator 3 Dis...

Страница 41: ...of grease as this could cause clutch slipping During operation be sure to avoid any of the reassembly operations that may place load upon the input gear 5 Install the hydraulic system piping 6 Instal...

Страница 42: ...ve 8 Remove the remote control valve lever Slow return check valve Parts which can be inspected during This operation HST unit PTO clutch FIG 2 22 4 Disconnect the throttle lever cable from the fuel i...

Страница 43: ...Rubber mounting 17 Lift up the floor slightly with a hoist 18 Disconnect the linear shift control cable fuel hoses and gauge coupler between the fuel tank and floor 19 Disconnect the pipe relevant to...

Страница 44: ...iping and links are disconnected FIG 2 31 Slow return check valve 3 Disconnect the brake rods 4 When the tractor is equipped with an optional remote control valve remove the remote control piping FIG...

Страница 45: ...r steering wheels 13 Connect the accelerator wires 14 Install wiring 15 Connect the negative battery cable 16 Install the side covers RH and LH 17 Fill the transmission case with oil FIG 2 37 PTO Clut...

Страница 46: ...ft HST control linkage MID PTO Gears Slow return check valve FIG 2 40 slow return check valve knob 4 Remove the diff lock pedal 5 Remove the parking brake 6 Remove the speed range shit and transmissio...

Страница 47: ...the remote control valve and piping 24 Remove the forward and reverse pedal 25 Remove the oil damper assembly 26 Remove the forward and reverse arm 27 Remove magnetic cruise 28 Remove MID PTO stopper...

Страница 48: ...iff Lock Brakes Brake cases Final gears MID PTO gears Note The 4WD drive shaft should be installed on the rear transmission ahead of time 1 Join the rear and spacer transmission cases Note During the...

Страница 49: ...e and rear transmission Note Rubber mounting bolts 8 Remove the rear axle housing tightening bolts 9 Remove the brake case from the rear transmission case 10 Detach the brake assembly from the rear tr...

Страница 50: ...ve the remote control lever and related parts from the bracket 5 Remove the back panel 6 Remove the tank cover 7 Remove the wiring for the rear combination lamps and trailer socket coupler 8 Drain the...

Страница 51: ...inder case tightening bolts 15 Detach the cylinder case assembly from the rear transmission FIG 2 58 operator s seat 2 Installation Reassemble the reverse order of disassemble 1 Tighten the cylinder c...

Страница 52: ...ion of each part 6 Radiator reassembly 7 Daily inspection 8 Trouble shooting SECTION 2 AIR CLEANER SYSTEM 3 1 3 1 3 2 3 3 3 3 3 3 3 5 3 5 3 6 3 7 SECTION 2 AIR CLEANER SYSTEM 1 General description 2 D...

Страница 53: ...a uniform and fast warm up period Once the engine has reached operating temperature the thermostat opens and coolant is pumped from the bottom of the radiator via the lower hose into the cylinder bloc...

Страница 54: ...r consists of radiator cores a tank to Flow coolant side plates to install the radiator and a fan guide Fin tube type cores are used and the cores and tank is made of anti corrosive aluminum and alumi...

Страница 55: ...er leaks Water leaks are liable to occur at the fitting portion between the upper tank and the core section or between the lower tank and the core section If any water leak should occur there repair t...

Страница 56: ...iator cores Clean the radiator cores by applying water spray or compressed air so as to for a right angle with the radiator cores moving water application in parallel Note When cleaning the radiator c...

Страница 57: ...iciently in the cooling system and replenish if necessary after stopping the engine 2 Antifreeze When The weather is cold use an antifreeze to prevent the engine from freezing The freezing point diffe...

Страница 58: ...oken cylinder gasket 10 Inspect cylinder head and replace cylinder gasket 2 Overcooling 1 Poor thermostat 1 Replace 2 Excessive low atmospheric temperature 2 Decrease radiator working area by radiator...

Страница 59: ...The air cleaner Which is installed on the T series tractor is a dry cyclone type and is constructed as shown in the figure Under the influence of suction generated by the engine unfiltered air flows t...

Страница 60: ...ng efficiency 99 9 or over Dust holding capacity gr 700 Filtering area sq in 1 89 4 Filter material FPG 057512 Temperature 30 80 C 2 DISASSEMBLY 1 Element removal 3 8 1 Air cleaner Sub assembly 1 01 B...

Страница 61: ...cts in the inlet pipe and the air cleaner the inlet manifold and inlet port 1 When accumulated dust is dry When removing the dust in the element hold the element by a hand and pat the side wall with o...

Страница 62: ...aced with a new one 5 ELEMENT INSTALLATION Install the element in the reverse order of disassembly but follow these instructions 1 Each tightening clamp must be secured and care must be taken not to m...

Страница 63: ...4 6 4 7 4 8 4 10 4 11 4 12 SECTION 5 THEORY OF OPERATION 1 HYDROSTATIC SYSTEM SECTION 6 TESTS AND ADJUSTMENTS 1 Hydrostatic pedal and neutral adjustment 2 Hydrostatic pump pressure test 3 Charge pump...

Страница 64: ...Cap Screws 37 42 N m 27 31 lb ft Motor to Back plate mounting Cap Screws 10 14 N m 87 123 lb in Forward and Reverse pressure Relief valve 135 149 N m 100 110 lb ft Charge pressure Relief Valve 37 47...

Страница 65: ...3364 Hose with quick coupler JT03017 Hose with quick coupler JT03240 7 16 20M 37 X7 17 20 F 37 Elbow JT03264 Quick coupler F7 16 20 F 37 Adaptor JT05480 Quick coupler MXM14 1 5 ORB Adapter 2 OTHER MAT...

Страница 66: ...SECTION 2 COMPONENT LOCATION 1 Hydraulic Hoses and lines 1 hydraulic oil cooler 2 Gear pump 3 Cooler return Line 4 Steering Control Unit 5 Hydrostatic Unit 4 3...

Страница 67: ...2 Hydrostatic transmission 1 Input shaft From engine 2 Control Lever 3 Back Plate 4 Hydrostatic motor 7 Charge pressure relief Valve 8 Filter mount port 9 For Rev Relief valves 10 Hydrostatic pump 4 4...

Страница 68: ...g 6 Bearing 7 Shims 8 Housing 9 Cam plate 10 Cam washer 11 Rotating Assembly 12 Valve plate 13 Bearing 4 14 O ring 15 Cover 16 Plug 17 O ring 18 Bearing 19 Snap ring 20 Thrust Washer 21 Thrust Bearing...

Страница 69: ...11 Poppet 12 Spring 13 Plunger 14 poppet 15 Spring 16 Shims 17 O ring 18 Plug 19 Filter head 20 O ring 21 Relief valves Forward and reverse 22 Plugs 23 Valve plate 24 Rotating assembly 25 Cam washer 2...

Страница 70: ...7 bolt 18 Arm comp 19 Arm comp 20 Plate reverse 21 Washer plain 22 pin split 23 Arm cam 24 Arm cam 25 Bush 20X23X20 26 Bolt 27 Bearing ball 28 Washer plain 29 Nut 30 Snap ring 31 Nipple 32 Spring retu...

Страница 71: ...6 1 Hydrostatic system schematic 4 8...

Страница 72: ...6 2 Hydrostatic system schematic 4 9...

Страница 73: ...w in transaxle Low charge pressure see Tests and Adjustments Section Main drive pressure relief valve stuck open see Test Adjustments section Air in system see HYDRAULIC SYSTEM BLEED PROCEDURE on page...

Страница 74: ...al to maximum travel speed Machine should accelerate smoothly forward or backwards Check fluid reservoir for proper fluid level Check hydraulic tubing and connections for leaks maximum travel speed po...

Страница 75: ...drostatic Motor The hydrostatic motor is an EATON high torque axial piston motor The motor is located on the rear of the back plate The hydrostatic motor drives the input shaft for a three speed range...

Страница 76: ...direction and adjust neutral return lever as follows 6 loosen the locking nut that holds the rod and the elbow to the transmission 7 Using a wrench Turn the rod to move the rod down to eliminate rever...

Страница 77: ...est port plugs 9 Install one JT05480 male quick coupler into each test port 10 Attach JT03362 gauge and hose assembly as shown each test port adapter IMPORTANT Make sure that the hydraulic fluid is vi...

Страница 78: ...nsmission to NEUTRAL IMPORTANT Make sure to relieve system pressure before loosening any system lines or hoses 4 Cycle all controls to relieve any pressure that may be in the hydraulic system 3 CHARGE...

Страница 79: ...dle IMPORTANT If steering fails to respond or IMPORTANT If steering fails to respond or pump pressure is not being delivered to steering control unit SCU shut engine off and check to see that steering...

Страница 80: ...and two spacers that attach tube support bracket to frame Remove tube support bracket and as an assembly To avoid injury from escaping hydraulic oil under pressure relief the Note Hydraulic reservoir...

Страница 81: ...All electrical connectors attaching wiring harness switches and lights on rear half of tractor All electrical connectors attaching wiring harness switches and lights on front half of tractor 4 18...

Страница 82: ...onnect hydraulic pressure tube at lower Left side of Transmission Magnetic cruise 22 Disconnect hydraulic supply tube at SCV or manifold block Remove tube 20 Remove hydraulic pressure tube clamp 21 Re...

Страница 83: ...connect rod from hydrostatic control linkage 29 Remove 5 screws connecting tunnel to flywheel housing Note length and location of screws when removing IMPORTANT Check for and disconnect any additional...

Страница 84: ...ctions Remove splitting stands NOTE Tractor shown split for clarity 6 Connect suction tube to manifold Tighten hose clamp 7 Connect two hydrostatic charge pressure tubes to hydrostatic transmission Ti...

Страница 85: ...aulic pressure tube clamp 13 Install brake rods to brake bell cranks Retain with specified length Turn buckle 15 Route wiring harness through cable clips Locate and connect all electrical connectors a...

Страница 86: ...s attaching transmission to tunnel to 126 154 N m 95 115lb ft IMPORTANT If neutral adjustment locking screws was loosened neutral adjustment procedure must be performed See HYDROSTATIC PEDAL AND NEUTR...

Страница 87: ...cap screw and nut Remove holder and arm as an assembly NOTE Pump and motor valve plates are very similar in appearance but are not interchangeable Note shape of valve plates when removing Valve plate...

Страница 88: ...e the cooler bypass valve and check for damage or debris in spring or seating areas Clean or replace parts as required Valve face Relief Valve O ring Relief Valve spring Valve face Cooler bypass valve...

Страница 89: ...e spring and charge relief valve spring could accidentally be mixed up Charge relief valve spring is thicker 2 Install the cooler bypass valve Tighten to 28 33 N M 21 24 lb ft IMPORTANT Old O rings ga...

Страница 90: ...asher rests on the three pins Gasket Hydrostatic pump Retaining ring 4 Remove the rotating assembly from the housing 5 If the piston did not come out with the piston block remove the pistons along wit...

Страница 91: ...cap screws and shaft end cap 2 Remove three cap screws and pain end cap 3 Remove bearing cones from both ends of the control shaft Inspect bearing cones for smooth operation wear or damage Replace pa...

Страница 92: ...is no need to replace them If replacement is necessary bearing may be removed with a bearing driver 5 HYDROSTATIC PUMP INSPECTION 1 Inspect the bronze side of the valve plate for wear Replace the val...

Страница 93: ...ll internal surfaces with clean 10W30 motor oil when assembling Housing and shaft assembly 2 Apply a small amount of grease to back of thrust plate and install thrust plate into cam plate 3 Install sh...

Страница 94: ...until the seal is below the retaining ring groove Secure shaft into housing with internal snap ring Rotating assembly installation 1 If the piston block assembly was disassembled Cap screw Shaft end c...

Страница 95: ...ocket head cap screws to 37 42N m 27 31lb ft 7 HYDROSTATIC MOTOR DISASSEMBLY Shoe face Spider Pivot 11 Tilt the pump housing so that the open end is facing slightly downward 12 Slide the rotating asse...

Страница 96: ...ck of motor housing Shaft Removal and Disassembly Spring pin Dowel pin Motor valve plate necessary use care not to scratch the machined surface of the back plate Rotating Unit Removal and Disassembly...

Страница 97: ...ould be smooth and free of deep scratches 5 Check the piston movement in the piston block bore If the pistons are sticky in the bores examine the bores for scoring or contamination 6 Remove the piston...

Страница 98: ...arefully back off tension on nut until spring is slack 17 Remove the nut Washer and cap screw 18 Remove washers spring pins and pin retainer 19 Inspect the spring inside the piston block for damage In...

Страница 99: ...ring 6 Install the shaft into the housing Install the washer and the new shaft seal Secure them with the retaining ring Rotating Unit Assembly and Installation 1 If the piston block assembly was disas...

Страница 100: ...cam plate slope marking as shown If installed incorrectly the tractor Shoe face Spider Pivot Cam plate slope marking 11 Tilt the motor housing so that the open end is facing slightly downward 12 Slide...

Страница 101: ...gear front transmission 2 Mid transmission case 1 PTO Input gear 2 PTO counter shaft 3 PTO clutch 5 1 5 1 5 1 5 1 5 2 5 2 5 2 5 3 5 3 5 6 5 6 5 6 5 7 CHAPTER 5 Transmission 3 PTO clutch 4 HST Unit 5...

Страница 102: ...rs Front drive change gears PTO Clutch Damper HST Rear transmission MID PTO change gears REAR PTO change gears Fig 5 1 Wheel drive system 2 PTO DRIVE SYSTEM 1 PTO drive system is composed of the hydra...

Страница 103: ...F500 Capacity 35 SECTION 2 SPECIFICATIONS 1 WHEEL DRIVE SYSTEM TYPE INDEPENDANT CLUTCH Multiple Wet Disk Rear PTO Speed shift range 1 Reduction ratio 0 1946 PTO shaft speed 540 Engine 2 775rpm PTO sha...

Страница 104: ...ASSEMBLY 1 HST system and change gears front transmission 1 Input shaft From engine 2 Control Lever 3 Back Plate 4 Hydrostatic Motor 7 Charge pressure relief Valve 8 Filter mount port 9 For Rev Relief...

Страница 105: ...ring Ball 4 Bearing Ball 5 Collar 26X35X03 1 HST Unit 2 Hydraulic filter 3 Valve 4 Pin hollow 5 6 7 8 9 Bolt hex Fig 5 3 5 Collar 26X35X03 6 Bearing Ball 7 Metal Bearing 8 Gear Helical 21T 9 Bearing B...

Страница 106: ...lywheel be sure to install the cotter pin to flywheel 2 Apply a thin coat of molybdenum disulfide based grease Three bond TB1901 or equivalent to revolving or sliding parts prior to reassembly 3 When...

Страница 107: ...seal rings and install it taking care not to damage these rings 4 When installing seal rings Apply fresh oil ahead of time and install them carefully so as not to damage them 2 PTO counter shaft comp...

Страница 108: ...hole and take bake up plate disc assembly and driving plates d While holding return spring 43 compressed with a special tool remove snap ring e Disassemble into separate parts piston return sparing b...

Страница 109: ...5mm 0 2 in Fig 5 11 c Driven plate Inspection for deformation and burning A seriously damaged or worn disc should be replaced Inspection Items Specified values Usable limit Surface flatness 0 2mm 0 0...

Страница 110: ...time a gear is installed its smooth rotation should be checked Every snap ring should be seated securely in its groove a When installing seal rings apply fresh oil ahead of time and install them caref...

Страница 111: ...1 When installing the clutch damper on the flywheel be sure to install the cotter pin to flywheel 2 Apply a thin coat of molybdenum disulfide based grease Three bond TB1901 or equivalent to revolving...

Страница 112: ...asher plain 5 Holder comp 6 Nut 2 ROD Assembly Fig 5 17 1 Install the pin on Mid transmission case 2 Assemble the bolts and Nuts on Mid transmission case Gap between bolt and nut is 10mm 2 ROD Assembl...

Страница 113: ...Install Ball bearing carefully so as not to damage to them 2 Install the switch on the Pin 3 When assembling the cam comp to the pin be sure to apply grease 4 Snap ring should be seated securely in it...

Страница 114: ...5 MID PTO STOPPER ASSEMBLY Fig 5 21 1 Bracket comp actuator 2 Washer spring 3 Nut 4 Bolt 5 Washer spring 6 Actuator comp MID PTO 7 Elbow 8 Hose 300MID PTO 9 Adapter 5 13 MID PTO Lever...

Страница 115: ...pped MID PTO switch must be OFF position The PTO switch must be OFF before PTO is engaged Normal process Engage MID PTO lever to ON MID PTO switch ON The speed of MID PTO is 2 000 rpm Use the mid PTO...

Страница 116: ...3 Rear transmission case 5 15 Fig 5 23...

Страница 117: ...hapter 2 1 Ring gear Drive pinion and related parts 1 Mid PTO case 2 Pinion drive 10 3 Pinion wheel 10LH 4 Case Brake LH 5 Arm brake 6 Case brake 7 Pinion wheel 10RH 8 Metal brake RH 9 Metal brake LH...

Страница 118: ...d for later reference Pinion metal shim h Release the lock of nut and remove the nut Fig 5 27 b Disconnect Case Brake LH and Case Brake RH by loosening bolts as shown in Fig Fig 5 26 c Remove metal br...

Страница 119: ...07 15 C ring hole 16 Oil seal 17 Cover 18 Bolt 19 Hook rear PTO 20 Lever rear PTO 21 Stay PTO shift 22 Shifter PTO Low speed a Remove the rear hitch and the trailer hitch b Extract PTO shaft stay 21 r...

Страница 120: ...b Be sure that the starting torque of the drive pinion meets the specified level Starting torque 8 11 Kgf m 0 08 0 11KN cm Fig 5 30 When the backlash exceeds 0 5mm also inspect the thrust collar for...

Страница 121: ...t to mix them when assembling Apply multi purpose quality grease to the parts mentioned below Tooth surfaces of dif pinions and dif side gears Friction surfaces of dif pinion shafts and dif pinions f...

Страница 122: ...ng to backlash of 0 1 0 2 mm 0 004 0 008 in The standard shimming is 0 4mm 0 016 in on both sides Note When reassembling the used pinion and ring gear reinstall the same thickness of shims as was inst...

Страница 123: ...ht side to left side See Assembly and installation Root contact Inadequate backlash Move differential case shims from left side to right side See Assembly and installation Toe contact Too little engag...

Страница 124: ...aring The seal should be coated with an adhesive THREE BOND TB1215 on the circumference before installing b Install the oil seal on the PTO shaft paying attention to its installed direction c After in...

Страница 125: ...15 Snap ring 16 Snap ring 17 bolt 18 Arm comp 19 Arm comp 20 Plate reverse 21 Washer plain 22 pin split 23 Arm cam 24 Arm cam 25 Bush 20X23X20 26 Bolt 27 Bearing ball 28 Washer plain 29 Nut 30 Snap ri...

Страница 126: ...ng shifter 4 Ball steel 5 E ring 6 Hook range 7 O ring P Fig 5 40 7 O ring P 8 Plate 9 Bolt M8X16 10 Washer plane 11 Arm sub range 12 Pin Taper split Note The bottom two tightening bolts should be coa...

Страница 127: ...sm 1 Shaft 4WD drive 2 Gear spur 28T 3 C ring shaft 4 Bearing ball 6204 5 Bearing ball 6004 6 C ring hole 7 Oil seal 8 Boss 9 Spring shifter 10 Ball steel 11 Arm comp 12 O ring P 13 Arm comp shift 14...

Страница 128: ...5 Gear spur 14 6 C ring shaft Fig 5 45 6 C ring shaft 7 C ring hole 8 Seal 62 9 Shaft PTO 10 C ring shaft 11 R B B 6205 12 Gear spur 37 13 Collar 35X50X2 14 R B B 6207 15 C ring hole 16 Oil seal 17 Co...

Страница 129: ...ed its smooth rotation should be checked REAR PTO counter shaft REAR PTO shaft 1 Gear spur 12 2 Gear spur 14 3 Snap ring shaft 4 Ball bearing 6205 5 Ball bearing 6305 1 Shaft PTO Fig 5 48 REAR PTO shi...

Страница 130: ...er 17X25X3 10 C ring hole 11 Oil Seal 12 Counter Shaft 2 MID PTO 13 needle roller bearing KT202417 14 gear spur 23 16 15 Spacer 16 C ring 17 Counter shaft 1 18 Gear spur 25 19 C ring 20 Bearing ball 2...

Страница 131: ...ring Ball 6203 3 Plug 5 4 MID PTO shaft sub 2 snap ring hole 3 Bearing Ball 6203 Note When pushing the R B B s 6203 into the gear be careful only to push their outer races Note When pushing the R B B...

Страница 132: ...6 Arm comp MID PTO shift 7 Spring pin Fig 5 55 Note 1 When installing arm comp 6 take care not to mix the longer dimension 2 When installing the O ring take care not to damage it or allow it to fall 3...

Страница 133: ...earing 5 Gear spur 23T 6 Nut M30X1 5 7 Washer 28X46X03 8 Needle bearing 9 gear spur 40T 10 Hub 28X51X59 11 Snap ring shaft 12 Gear spur 33T 13 gear helical 22T 14 needle bearing 15 Washer 20X34X03 16...

Страница 134: ...Be sure that these parts should turn smoothly When the drive pinion or the ring gear has been replaced the proper number of shims to be installed should be determined based upon the following procedur...

Страница 135: ...side gear should be within as range of 0 1 to 0 2mm 0 004 0 008 in and these parts should turn smoothly 3 When reassembling the used pinion and ring gear reinstall the same thickness of shims as was i...

Страница 136: ...sub change 18 22 Kgf 40 49lbs 4WD change 25 29 kgf 55 64 lbs Usable limit of shifter disengaging load Main change Sub change 17 Kgf 38lbs 4WD change 24Kgf 53lbs Wearing limit of each shifter 0 5 mm 0...

Страница 137: ...eformed shifters Replace Gears make a noise when shifted Improperly disengaged clutch Repair or replace Clutch pedal play Wear in width of gears splined hubs collars etc Replace Defective Change shift...

Страница 138: ...O ring of delivery valve Retighten or replace Poor pump Replace Clogged PTO valve Wash clean PTO does not stop when PTO switch is shifted to OFF Defective PTO valve solenoid Replace Poor PTO valve co...

Страница 139: ...5 38 Fig 5 60...

Страница 140: ...ECTION AND REASSEMBLY 1 Center pivot 1 1 Disassembly 1 2 Inspection 1 3 Reassembly 2 Front differential 2 1 Disassembly 2 2 Inspection 6 1 6 1 6 2 6 3 6 3 6 4 6 4 6 4 6 6 6 7 6 7 2 2 Inspection 2 3 Re...

Страница 141: ...e power is taken off the rear transmission and transmitted to the differential in the front axle where the power is divided into right and left and to the respective final cases In the final cases the...

Страница 142: ...nt Toe in mm 2 6 Camber 3 1 Caster 3 1 Front axle Pivot metal F bore mm 55 Pivot metal R bore mm 80 Pivot metal F bush mm 50X55X20 Pivot metal R bush mm 75X80X30 Housing F Diameter mm 50 Housing R Dia...

Страница 143: ...cap 3 Plug 4 connector 5 Hose 820 6 Clamp worm 14 5 8 Metal pivot R 9 Bush 75X80X30 10 Bolt M16X40 11 Washer spring M16 12 O ring P 13 O ring 14 Spacer R 16 Metal pivot F 17 Bush 50X55X20 18 Spacer F...

Страница 144: ...50 75 Usable limit 50 35 75 35 Fig 6 4 with a micro meter or vernier calipers If the measured value is less than usable limit replace the housing front axle or bush in Metal pivot F or Metal pivot R F...

Страница 145: ...exceeds the usable limit correct play by screwing in the adjust bolt on the top of the pivot metal F Note Fig 6 9 Note After correcting the pivot metal play tighten the lock nut of the adjusting bolt...

Страница 146: ...iff 6 Pinion Diff 12 7 Thrust collar 8 Gear diff side 20 9 Washer thrust 10 Pin spring 11 Shaft diff pinion 12 Pin spring 13 Bearing Ball 6212 14 Snap ring 15 Snap ring hole 16 Shim A 17 Shim B 18 Bea...

Страница 147: ...e this pin and oil seal is apt to be damaged when removed 8 Remove the snap ring and the bevel pinion can then be removed together with the TRB s Fig 6 11 9 When separating the TRB s from the bevel pi...

Страница 148: ...gear c Each parts should be washed clean and There should be no sharp edge to the surface of thrust Fig 6 15 Fig 6 14 6 8 Note As a general rule a disassembled lock nut should be replaced and a new on...

Страница 149: ...d the bevel pinion can then be installed together with the TRB s Fig 6 17 Fig 6 17 Note Discard the removed straight pin and oil seal and install a new pin and Oil seal when reassembled because this p...

Страница 150: ...Gear bevel 16 8 RBB 6207 11 Final drive case B L 13 Final drive case B R 14 Housing seal 15 Seal 16 RBB 6014 17 shaft 18 Gear bevel 12 19 RBB 6308 20 O ring 23 Cap 90 25 Shaft RH 296 26 shaft LH 480 3...

Страница 151: ...drain plug 2 Remove the tie rod or the tie rod end 3 Remove the final drive case clamping bolts and take out the assembly of the wheel shaft 4 Remove the wheel shaft cover clamping bolts and cap 90 N...

Страница 152: ...hen the measured value less than the usable limit replace the wheel shaft cover Standard value 62 Usable limit 62 3 6 12 Fig 6 22 8 Remove the seal from the the wheel shaft cover Fig 6 23 9 Remove the...

Страница 153: ...sh between bevel gear 9 2 and bevel gear 16 3 with collar 4 Take care not to deform these portions 6 13 Fig 6 26 4 The oil seal should not be coated with grease between the surface of the oil seal in...

Страница 154: ...not damaged 6 14 3 Tighten the bolts to specified torque Tightening torque 1300 1500 Kgf cm Fig 6 29 that the rods are not damaged 2 Install the pin 2 before assembling the cylinder 3 Apply an adhesi...

Страница 155: ...replace Retighten or replace Replace Retighten Retighten Steering wheel tends to turn to the right or left while traveling on straight paved road 1 Deflected wear of tire Replace 1 Deflected wear of...

Страница 156: ...1 GENERAL DESCRIPTION SECTION 2 SPECIFICATIONS SECTION 3 DISASSEMBLY INSPECTION AND REASSEMBLY 1 Rear axle housing and brake system 1 1 Disassembly 1 2 Inspection 1 3 Reassembly SECTION 4 TROUBLE SHO...

Страница 157: ...isc mechanical operated brake system is employed Each of the brakes has 2 friction plates and can produce significant braking force with excellent durability The two actuators work to push their frict...

Страница 158: ...isc Mechanically operated Outer diameter 210 mm Thickness 4 7 mm Lining material Paper Number of plates 2 on each side Separator Plate Outer diameter 212 mm Thickness 2 5 0 09 mm Number of plates 1 on...

Страница 159: ...G AND BRAKE SYSTEM 2 Housing rear axle 3 Bearing Ball 6307 4 Bearing Ball 6211 5 Snap ring 6 Mechanical seal 7 Wheel shaft 8 Collar 56X65X239 9 Stop ring 10 Gear helical 54 11 Bearing Ball 6209HL1 12...

Страница 160: ...y on it 5 Remove the snap ring of wheel pinion 3 Fig 7 6 And individually separate the friction plates metal brake cam brake and separator plates 11 from each other 6 The cam brake can be disassembled...

Страница 161: ...autions 1 Make sure that oil grooves friction surfaces etc of the brakes are free from matter such as dust iron powder etc to avoid brake lining damage 2 When installing the brake unit on the wheel pi...

Страница 162: ...sive THREE BOND 1215 to the contact surfaces of the brake metal and housing and then retain the plates by tightening the nuts to the specified torque Tightening torque 0 6 0 8 Kgf m 4 3 5 8ft lbs Cam...

Страница 163: ...entric wear of actuator Replenish Replace Replace 3 Brake overheating Insufficient oil Excessive pedal free play Improper operation Replenish Adjust Operate brakes properly 4 Brake cannot be Improper...

Страница 164: ...pump 2 2 Steering valve 2 3 Oil tank SECTION 3 FUNCTION 3 1 Technical Data SECTION 4 DISASSEMBLY INSPECTION AND REASSEMBLY 4 1 Major component 4 2 Special tools 4 3 Disassembly 4 4 Inspection 4 5 Reas...

Страница 165: ...em is used for the vehicles that treat heavy equipment or low speed traveling Hydraulic circuit consists of Independent system The oil from tank flows into gear pump of orbitrol via filter and the qua...

Страница 166: ...ring valve Unit orbitrol MODEL T303HST T353HST Model number OSPM 80 ON Displacement cc rev 80 Rated flow min 7 20 Maximum system pressure kgf 180 Max back pressure kgf 20 Max temperature 90 Input torq...

Страница 167: ...steering wheel is turned oil is directed from the steering system pump via the rotary valve and rotary meter to the cylinder ports L or R depending on the direction of turn The rotary meter meters th...

Страница 168: ...he maximum torque on the steering wheel will not exceed 2 Nm 17 7 lbf in If the oil flow from the steering system pump fails or is too small the steering unit functions automatically as a manual steer...

Страница 169: ...lerance is 20 bar 290 psi CHECK VALVE The check valve protects the driver against kickbacks in the steering wheel It prevents the oil from flowing back into the pump line during steering under high pr...

Страница 170: ...eal ring 2 Housing spool and sleeve 3 Ball 4 Ball stop 5 Shaft seal 7 Bearing 10 Ring 11 Cross pin 12 Set of springs 13 Cardan shaft 14 Spacer 15 O ring 16 Distributor plate 17 Gear wheel set 18 O rin...

Страница 171: ...e no SJ150L0396 01 E Pliers for piston in pressure relief valve code no SJ150 9000 25 Reassembly 1 Major component of steering valve orbitrol STEP 1 Column If there is a steering column on OSPM place...

Страница 172: ...imperfect parts if any c Always replace all sealing parts during a repair Balls and ball stop 3 4 37 Shake out check valve ball not in all units ball stop and emergency steering ball Use pincers if ne...

Страница 173: ...ool and sleeve together turn the spools so that the key slots are opposite each other STEP 4 Springs 12 Insert the curved springs between the flat springs and push them into place see sketch STEP 5 Sp...

Страница 174: ...dan shaft End cover 19 Place the cover so that the hole marked P lines up with port P in the housing 6 o clock or 12 o clock STEP 14 Special screws 20 22 23 Fit screws with O rings Remove the retainer...

Страница 175: ...st panel or in a system with pressure gauge read off b Insert plastic plug STEP 18 Dust seal 1 Guide the dust seal ring down over the shaft end press into place in the housing with assembly tool SJ 15...

Страница 176: ...lve 1 Low setting pressure of relief valve 2 Ball nut heavy to work Adjust fluid level properly Wash clean or replace 4 Trouble machine mechanism 1 Poor link work 2 Excessive sector gear pre load Wash...

Страница 177: ...ir trapped in cylinder and pipe line 4 Excessive backlash column 5 Poor turning of column or wear of bearing Replace column Wash and Adjust fluid level and pressure properly Deflate the air Adjust col...

Страница 178: ...gyrotor lower the unit Reassemble 9 Steering wheel is very heavy to begin turning 1 Oil density is too high or cool Replace oil 10 External Oil leakage 1 column 2 End cap gyrotor 3 Tightening Bolt Re...

Страница 179: ...SECTION 4 REMOTE HYDRAULIC CONTROL 1 Remote hydraulic control valve optional 9 1 9 2 9 3 9 3 9 4 9 7 9 9 9 10 9 15 9 16 9 16 1 Remote hydraulic control valve optional SECTION 5 HYDRAULIC SYSTEM 1 Hyd...

Страница 180: ...operated by a control valve which is actuated by the control lever through a link mechanism ON and OFF of the PTO is controlled by a hydraulic wet multi disc clutch whose circuit is opened and closed...

Страница 181: ...y 91 efficiency litre cu in mm at 2600rpm 21 5 Fluid TDH oil or Donax TD Suction filter Rated flow min 35 Filtration density mesh 150 Filtration area 450 Line filter Rated flow min 32 Filtration densi...

Страница 182: ...8 Pin spring 9 Iron wire 10 Cylinder head 11 O ring 12 Bolt 13 Washer spring 14 Lift crank 15 Plug 16 Bolt 17 Flow con valve 18 Dust seal 19 O ring P 20 O ring P 21 Knob 22 screw 23 Washer spring 24...

Страница 183: ...Flow divider 2 PTO pressure control valve 3 Transmission case 1 Solenoid This solenoid is switched on or off by operating the PTO switch With this lever operation the solenoid shifts the changeover va...

Страница 184: ...ve passing through port its pressure will be set as P As passage 1 and passage 2 are interconnected then P P The force imposed upon the left hand side of the valve is P1 whereas the force imposed upon...

Страница 185: ...h that is all fluid flows to the control valve 1 Passage 1 2 Passage 2 3 Pressure reducing valve 4 Changeover valve Fig 9 5 PTO solenoid switch OFF position 1 Pressure reducing valve This valve is com...

Страница 186: ...This valve regulates the lowering speed of the lift by controlling the unloading flow from the lift cylinder to the tank Dust seal Snap ring Collar Body 0 ring Adjust screw Back up ring 0 ring Stop r...

Страница 187: ...s down whereas the opening of choke C increases and the lowering speed of the lift is accelerated when the adjust screw is unscrewed counterclockwise When the adjust screw screwed in completely the po...

Страница 188: ...embly the current screwing in depth of the adjust screw should be written down or memorized for later reference 3 MEASUREMENT OF THE RELIEF PRESSURE 1 3 POINT TO TEST RELIEF PRESSURE Fig 9 9 Relief va...

Страница 189: ...emperature and volume efficiency in accordance with revolution speed That is dual pump system 2 Gear pump Fig 9 12 Gear pump 9 10 3 OPERATIONS This pump induces fluid from one side and delivers it fro...

Страница 190: ...ective parts 1 DISASSEMBLY Remove the key Remove front and rear pump Be sure not to be damaged the o ring or steel ball Fig 9 16 Front and rear pump Remove the rear pump Detach the cover Remove the o...

Страница 191: ...ightening bolts Tightening torque 2 5 2 8 f m Fig 9 21 Cover bolt Install the oil seal snap ring and key 9 12 Fig 9 19 Front and rear pump Install the front pump with rear pump After installing the ca...

Страница 192: ...in replace the gear pump set 3 Bushing With clean working fluid surfaces are rarely scratched and should be smooth If there are many scratches on the bore walls or on parts which are in contact with...

Страница 193: ...er seal lip and dust from invading by its outer dust lip Therefore if an oil seal has damaged or deformed lips it should be replaced 6 MEASUREMENT OF THE PUMP The best way to measure for the pump is t...

Страница 194: ...n filter 4 REPLACEMENT Check the O rings for damage or deformation and replace defective ones When installing the filters be sure to install the O rings properly with grease applied Line filter Fig 9...

Страница 195: ...mination of the fluid 19116 ISO4406 Internal leakage 3 min at 100 bar 40 BC and 46 s 1 Remote hydraulic control valve OPTIONAL 1 Remote Valve 2 Stay 3 Bolt 4 Bolt 5 Hose return 6 Adapter PF 90 7 Band...

Страница 196: ...utually by reference to their matching marks 5 When installing the control valve apply grease to the O rings and avoid their dislocation or binding during tightening the valve to the specified torque...

Страница 197: ...lignment marks which were put there before disassembly 13 Hex bolt M8 20 should be locked by wiring after installation 14 Be sure the lift shaft should be moved smoothly after installation 15 The clea...

Страница 198: ...y grease to relayed drive parts 2 Drive in the roll pin into the linkage pin through the rod and lock the pin with wire 3 Be sure not to over operate within specified spool stroke 12mm between up and...

Страница 199: ...3 LINKAGE EXTERNAL 9 20 Fig 9 37 Linkage external...

Страница 200: ...ght of the implement It consists of a feed back valve direction control valve flow control unloading valve and holding check valve 4 2 SPECIFICATIONS Maximum operating pressure 300 Kgf cm 4267 psi Max...

Страница 201: ...N 1 Neutral position In the neutral position convensater spool 711 in open Unload Main spool 311 and check valve 511 531 is closed and its pressure is enough to rest the force of lift arm Circuit diag...

Страница 202: ...pool is moved to lifting position pump pressure is increased and open the check valve 511 531 The lift arm moved to lifting position by flowing to cylinder and operate piston Circuit diagram in the li...

Страница 203: ...2 Lowering position If main spool moved to lower positions pump is unloading and the lift arm moved to lower position by flowing to tank in the cylinder 9 24 Fig 9 45...

Страница 204: ...rts Place all the disassembled parts side by side on a clean surface Check o rings for damage and replace defective ones Inspect the friction 9 25 Main spool and related parts Remove the snap ring E a...

Страница 205: ...9 in the correct direction Put the spring in and tighten the plug to the specified torque Unloading valve 20 and related parts Install the spool and confirm that the returns smoothly by the spring for...

Страница 206: ...oil of SAE80 10 Maladjusted relief valve Readjust Cracking refer to the specifications 11 Excessive internal leaks Inspect cylinder and valves Replace damaged seals and repair Check each part systemat...

Страница 207: ...isassembling cleaning repairing flaws with oil stone 9 28 3 Seized lift shaft Apply grease and repair or replace bushings or shaft if necessary 4 Stuck main spool Lap lightly after disassembling clean...

Страница 208: ...and repair pump parts and replace damaged ones if necessary 10 Oil leaks Broken or fatigues oil seal or Replace 9 29 10 Oil leaks outside pump Broken or fatigues oil seal or O ring Replace 11 Oil leak...

Страница 209: ...orn or broken sealing of PTO clutch Replace 4 Worn friction plates or driven plates Replace 5 Overheated fluid Refer to paragraph for fluid overheating 6 Port B regulated pressure is too high of Flow...

Страница 210: ...N 4 Meters and switches 1 Meters 1 1 Removal 1 2 Tacho Hour meter 1 3 Fuel gauge and fuel gauge sensor 1 4 Thermometer 2 Starter switch 10 1 10 1 10 2 10 2 10 2 10 2 10 3 10 5 10 5 10 5 10 5 10 5 10 6...

Страница 211: ...he operator to be aware of the present operating conditions oil pressure gauge water temperature gauge thermometer fuel gauge etc are installed All the controls meters and indicators are arranged arou...

Страница 212: ...andard temperature of 20 t Temperature of the electrolyte at the time of measurement St Specific gravity of the electrolyte measured at t 1 3 BATTERY CHARGING 10 2 1 2 INSPECTION OF ELECTROLYTE SPECIF...

Страница 213: ...ck electrolyte level Electrolyte level is above top of plates in all cells proceed to step 2 10 3 Step 2 Hydrometer test 50 points or more variation between highest and lowest cell Less than 50 points...

Страница 214: ...temperature of electrolyte 4 Refer to voltage table Voltage below table value Voltage equal to or above table value return to service Replace Step 3 Load test Voltage table Estimated electrolyte temp...

Страница 215: ...speed rpm 1000 2500 Allowable error rpm 150 150 1 3 Fuel gauge and Fuel gauge sensor a Construction Fig 10 3 Meter panel 10 5 c Then the meter panel can be detached by removing the wire harness coupli...

Страница 216: ...rature becomes higher the resistance in the thermo unit sensor become lower which results in more current to the meter circuit and swinging the meter pointer to the high temperature side on the scale...

Страница 217: ...10 12 3 Release the ring nut with a conventional screw drive and remove the combination switch 2 Inspection Each switch circuit is as shown so check each switch for a continuity across respective term...

Страница 218: ...g 10 15 Stop light switch Color code RY Y BR O B1 1 T 1 2 OFF 2 1 2 10 8 1 2 OFF 2 Horn switch 1 Terminals 2 Switching positions 1 Terminals 2 Switching positions Fig 10 16 Relay unit 6 FUSE Fuses are...

Страница 219: ...th one of the same value Note Using a large capacity fuse or wire burn out the wiring system Use fuse tongs to replace fuses Fig 10 19 No Seat S W Brake S W PTO S W HST S W 1 OFF ON ON ON 2 OFF ON ON...

Страница 220: ...12V 4 Generator charger signal 5 Brake S W 6 Parking brake S W 7 Cruise S W 8 Check valve 9 Starter S W 10 Engine stop solenoid Fig 10 22 connector 11 GND 12 HST S W 13 Seat S W 14 N C 15 PTO S W 16...

Страница 221: ...hould be of the same size or smaller than those on the trailer Fig 10 23 Socket No Description Color Specification Wire Housing A type B type 1 Earth B W AV 1 25 1 2 Small light Tail light Y B AV 1 25...

Страница 222: ...NG POINT Fig 10 24 1 Fuel tank guard RH 1 3 2 2 Contact surfaces of the Hood frame and bracket where they tightened together 10 12 Earthed at tapped hole in the lower the working lamp A Fig 10 25 Fig...

Страница 223: ...Fig 10 27 Battery cable 3 Right surface of the frame comp Where the battery cable is to be installed 10 13 Fig 10 27 Battery cable...

Страница 224: ...SECTION 6 WIRING DIAGRAM 10 14...

Страница 225: ...ive light switch Check and renew Several light bulbs burnt out due to defective voltage regulation Check and renew voltage regulator Alternator 10 15 to defective voltage regulation Alternator Individ...

Страница 226: ...s See Individual lights do not illuminate See Individual lights do not illuminate Problems Causes Countermeasures 2 INSTRUMENTATION 10 16 Inoperative or erratic meters Loose or broken wiring Inspect C...

Страница 227: ...ot heat red Discharged Battery Check battery and charge or renew Loose or defective battery cable connections Inspect clean and tighten connections 10 17 Loose wire harness connections Check and ensur...

Страница 228: ...t engine Refer to the engine manual 4 STARTING SYSTEM 5 CHARGING SYSTEM 10 18 Problems Causes Countermeasures Battery is low in charge or discharge Loose or worn alternator drive belt Check and adjust...

Страница 229: ...es Check and renew Warning light is normal but battery is discharged Defective voltage regulator Check and renew Faulty starter Check and renew Faulty rectifier or rectifying diodes Check and renew Wa...

Страница 230: ...ine accessories 2 Clutch damper 3 Transmission 4 Front axle 5 Rear Axle 6 Power steering system 7 Hydraulic system 8 Electrical equipment 11 1 11 1 11 2 11 2 11 3 11 4 11 4 11 4 11 7 SECTION 2 TIGHTEN...

Страница 231: ...amaged on or one which has been used more than 500 hours a Cleaning when dust is dry Apply compressed air of 7Kgf or lower to the inside of the element to blow dust outwards Never strike element to du...

Страница 232: ...1 2 3 Spline hub No of teeth 20 Large diameter 22 35 Small diameter 19 9 2 CLUTCH DAMPER 11 2 Independent Rear PTO clutch Disk thickness 2 6 0 1 2 3 Disk flatness 0 2 Driven plate flatness 0 2 Brake d...

Страница 233: ...gnment Toe in 2 6 Camber 3 1 Caster 1 1 Rocking angle 5 1 Steering angle 52 1 Front center pivot shaft dia 50 49 9 wear limit 0 1 bush 50 55 20 50 55 35 wear limit 0 2 11 3 pivot bush 50 55 20 50 55 3...

Страница 234: ...2 2 SEPARATE PLATE Thickness wear and damage 2 5 0 09 2 5 3 BRAKE ROD TURN BUCKLE Pedal play at the top 30 40 6 POWER STEERING SYSTEM CHAPTER 8 11 4 6 POWER STEERING SYSTEM CHAPTER 8 1 GEAR PUMP Capa...

Страница 235: ...rt 3 0 0 25 min Pressure 1 f Setting pressure of PTO clutch port 15 f over Capacity 0 9 min 5 Flow divider assembly Solenoid Rated voltage DC 12 V Rated current 1 2 A Switch over frequency limit 2 tim...

Страница 236: ...min at a pressure of 90 f 7 MAIN CONTROL VALVE Cylinder port leaks 5 min or less under a pressure of 100 f Gear oil SAE 80 90 at a temperature of 50 5 Clearance between main spool and casing 0 01 8 M...

Страница 237: ...lace battery Specific gravity 1 24 1 26 Correct Level As specified on case Replace with distilled water Damage Replace battery 3 ELECTROLITE 2 METER PANELAND OTHER SWITCHES 1 STARTER SWITCH 11 7 Conti...

Страница 238: ...oved by about 3 mm 0 12 in across R and LR Replace a defective switch assembly 7 STOP LIGHT SWITCH 11 8 7 STOP LIGHT SWITCH Continuity across each terminal Switched on when actuator is pushed in by ab...

Страница 239: ...9 HAZARD WARNING SWITCH Continuity across each terminal Replace a defective switch assembly ON 11 10 9 7 6 4 3 1 2 5 8 11 OFF 11 9...

Страница 240: ...pinion lock nut M 16 7T M 12 7T M 14 7T M 12 7T M 18 7T M 110 7T M 16 7T M 8 M 8 M 8 16 0 18 0 9 0 11 0 13 0 15 0 9 0 11 0 2 0 2 4 5 5 7 0 16 0 18 0 1 3 1 8 1 3 1 8 1 3 1 8 2 Transmission Front trans...

Страница 241: ...ters to inches M illimeters to inches M illimeters to inches M illimeters to inches in mm in mm in mm 1 64 0 3969 25 64 9 9219 13 16 20 6375 1 32 0 7938 13 32 10 3188 53 64 21 0344 3 64 1 1906 27 64 1...

Страница 242: ...3264 357 6072 100 miles 0 1 2 3 4 5 6 7 8 9 miles Length Feet to M eters Length Feet to M eters Length Feet to M eters Length Feet to M eters M eters to Feet M eters to Feet M eters to Feet M eters t...

Страница 243: ...Square centimeters to Square inches 11 13 in3 0 1 2 3 4 5 6 7 8 9 in3 cm3 cc cm3 cc cm3 cc cm3 cc cm3 cc cm3 cc cm3 cc cm3 cc cm3 cc cm3 cc 0 0 000 16 387 32 774 49 161 65 548 81 935 98 322 114 709 13...

Страница 244: ...Gallons U S Gallons IM P to Liters Gallons IM P to Liters Gallons IM P to Liters Gallons IM P to Liters 11 14 Imp gal 0 1 2 3 4 5 6 7 8 9 Imp gal Liters Liters Liters Liters Liters Liters Liters Lite...

Страница 245: ...ams Kilograms to pound Kilograms to pound Kilograms to pound Kilograms to pound 11 15 Kg 0 1 2 3 4 5 6 7 8 9 Kg N N N N N N N N N N 0 0 000 9 807 19 614 29 421 39 228 49 035 58 842 68 649 78 456 88 26...

Страница 246: ...re centimeters to Pounds per square inches Kilograms per square centimeters to Pounds per square inches Kilograms per square centimeters to Kilo pascal Kilograms per square centimeters to Kilo pascal...

Страница 247: ...ot pounds Kilogram meters to Foot pounds Kilogram meters to Foot pounds Kilogram meters to new tonmeters Kilogram meters to new tonmeters Kilogram meters to new tonmeters Kilogram meters to new tonmet...

Страница 248: ...5 68 3 6 21 2 60 140 0 25 3 9 160 71 1 4 24 8 62 143 6 30 1 1 165 73 9 2 28 4 64 147 2 35 1 7 170 76 7 0 32 0 66 150 8 40 4 4 175 79 4 2 35 6 68 154 4 45 7 2 180 82 2 4 39 2 70 158 0 50 10 0 185 85 0...

Страница 249: ...T303HST T353HST Workshop manual FOR TRACTORS CODE NO Printed on April 2008 1st EDITION Edited by overseas service team...

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