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3.FLOW-CONTROL VALVE(SLOW-RETURN CHECK VALVE)

3.1. GENERAL DESCRIPTION

This valve regulates the lowering speed of the lift by controlling the unloading flow from the lift
cylinder to the tank.

①

Dust seal

②

Snap ring

③

Collar

④

Body

⑤

0-ring

⑥

Adjust screw

⑦

Back-up ring

⑧

0-ring

⑨

Stop ring

⑩

Poppet

⑪

Spring

⑫

0-ring

Fig. 9-6 Slow-return check valve Diagram

9-7

Содержание T264

Страница 1: ...RKSHOP MANUAL for tractors Model T264 HST Zip code 570 941 TongYangMoolSan CO LTD 7 45 Wanggungnonggongdanji gil Iksan si Jeollabuk do Republic of Korea TEL 82 63 830 1951 4 FAX 82 63 836 1484 www tym...

Страница 2: ...ter 3 Engine accessories Chapter 4 HST system Chapter 5 Transmission Chapter 6 Front axle 4WD Chapter 7 Rear axle and Brakes Chapter 8 Power steering system Chapter 9 Hydraulic system Chapter 10 Elect...

Страница 3: ...AL SYMBOLS SECTION 1 TRACTOR TYPES AND PUNCHED IDENTIFICATION MARKS SECTION 2 SPECIFICATIONS SECTION 3 GEAR TRAIN DIAGRAMS SECTION 4 PRECAUTIONS FOR TRACTOR OPERATIONS 1 INSTRUMENTS 2 CONTROLS 3 FILLI...

Страница 4: ...sequently 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 service pro...

Страница 5: ...Wear safety goggles when handling battery electrolyte It contains sulfuric acid which is a poison and can cause blindness Avoid it contacting eyes skin or clothing sulfuric acid will eat through cloth...

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: ...GN MEANING 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 un...

Страница 8: ...ies or death Keep all safety signs in good condition Replace missing or damaged safety signs Keep your tractor in proper condition and do not allow any unauthorized modifications to be carried out on...

Страница 9: ...ust 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...

Страница 10: ...ment on public roads unless prohibited by state or local regulations Use slow moving vehicle SMV sign when driving on public road during both day night time unless prohibited by law PRACTICE SAFE MAIN...

Страница 11: ...ventilated area 2 Wear 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...

Страница 12: ...nal safety keep the pull to stop knob fuel shut off control in fully pulled out position Transmission in neutral position Foot brake engaged and PTO lever in disengaged position while attending to Saf...

Страница 13: ...t with depressed clutch pedal transmission in the neutral PTO disengaged and hydraulic control in lower position Slow down on turns rough ground and slopes to avoid upset Do not permit anyone but the...

Страница 14: ...1 11...

Страница 15: ...1 12...

Страница 16: ...ise Slow or minimum Setting Engine coolant temperature Warning Hare fast or maximum setting Fuel level Hazard warning Transmission oil pressure Engine Stop control Neutral Turn signal Lights Fan Trans...

Страница 17: ...the top of the engine block 1 MODEL NAME PLATE The plate indicates the model and type of the tractor Model name Production I D No The production I D reference number is as shown below T264 M 00001 Pr...

Страница 18: ...this engine is in compliance with the U S EPA exhaust Emission regulation 3 Engine number B The Engine number is stamped on the cylinder block Note The engine number is necessary information that is r...

Страница 19: ...ubrication type Force feed by trochoid pump Cooling system Forced cooling Coolant Capacity Approximate liter US gal 3 5 0 92 Air Cleaner Dry Type with Single element Muffler Horizontal Round Fuel Dies...

Страница 20: ...Point Hitch Type SAE Category Control Position Lift Control At lift points 1 543lb 700kg At 24 in behind Lift point 1 102lb 500 kg Dimensions Overall length 107 8 in 2 740mm Overall Width 52 8 in 1 3...

Страница 21: ...Traveling speeds Km h Mile h Range shift Model T264HST R1 L 0 7 9 4 9 H 0 20 8 12 9 R3 L 0 7 2 4 5 H 0 19 1 11 9 R4 L 0 6 3 3 9 H 0 16 7 10 4 R4 1 L 0 7 4 3 H 0 18 7 11 6 1 18...

Страница 22: ...SECTION 3 GEAR TRAIN DIAGRAMS 1 19 FIG 1 3 GEAR TRAIN DIAGRAM...

Страница 23: ...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 not panic if some lights on the monitor light array do not go...

Страница 24: ...ile the engine is running stop the engine and get expert advice Charge lamp This lamp will go off as soon as the engine starts to run to indicate that the alternator is charging Please note as broken...

Страница 25: ...Brake Pedals Parking Brake Lever Differential Lock Pedal Front Wheel Drive 4WD Lever Range Shift Lever PTO Lever Speed Control Pedals Joy stick Lever Hand Throttle Lever Position Control Lever Lowerin...

Страница 26: ...1 7 No Filling point Fillings Quantity Liter US gal 1 RADIATOR Fresh clean Water L L C 3 5 0 92US gal 2 ENGINE API CD CE grades Above 25 C 77 F SAE30 or 10W 30 0 C to 25 C 32 F to 77 F SAE20 or 10W30...

Страница 27: ...every year Oil filter Or every year Air cleaner Radiator coolant Check daily top up if required Radiator Check daily for damages leakage Radiator fins screen Clean if required Fuel Fill tank Fuel filt...

Страница 28: ...ning torque Check daily Operation of the instrument Check daily Grease each nipple Replenish every 50 hours everyday in dusty conditions Loose bolts and nuts Check daily Wheel tighteningtorque Front 9...

Страница 29: ...FOR DISASSEMBLY AND REASSEMBLY BY MAJOR BLOCKS 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 Separation...

Страница 30: ...hine performance 2 PRECAUTIONS TO BE FOLLOWED WHEN INSTALLING STANDARDIZED PARTS 1 Roller or Ball bearings 1 When a bearing is fitted in by the outer race use an installer which is an specially design...

Страница 31: ...nt securely at the ends as shown in the figure Fig 2 3 2 2 Fig 2 2 7 Bolts and nuts 1 Special bolts are installed at several locations so be sure not to interchange them other bolts 2 Bolts and nuts s...

Страница 32: ...19 2 23 2 35 41 28 32 8 M20 22 27 17 6 21 6 33 41 25 4 32 8 50 58 40 46 4 In case of nut torque 80 torque of above table respectively Air conditioner kgf m R 12 R 134a Pipe Diam Without O ring With O...

Страница 33: ...SECTION 2 OPERATION CHART FOR DISASSEMBLY AND REASSEMBLY BY MAJOR BLOCKS 2 4...

Страница 34: ...the pivot metal bolts 5 Remove the front axle assembly forward FIG 2 2 Front axle Note When working on the 4WD version the drive shaft should be removed ahead of time 2 Installation 1 Install the fron...

Страница 35: ...an the engine can be removed if required 3 Open the front grille 4 Detach the head light wiring 5 Remove the pin that hold the engine Hood 6 Disconnect the positive and negative battery cables FIG 2 7...

Страница 36: ...7 13 Remove the battery and battery bracket 14 Remove the two hoses for the power steering system 15 Remove the mounting bolts of the right hand pivot metal support ahead of time 16 At this stage the...

Страница 37: ...ap and the battery cables 10 Install the engine hood 11 Fill the radiator with coolant 3 SEPARATION OF THE ENGINE AND THE TRANSMISSION Parts which can be inspected during this operation Fly wheel HST...

Страница 38: ...Remove the cover Note Disconnect the linear shift control cable Disconnect the cable from both the steering lever side and transmission 9 Remove the mounting bolts and dismounting the dash panel FIG 2...

Страница 39: ...beforehand 7 Separate the engine from the front axle bracket 3 INSTALLATION REASSEMBLY IN REVERSE ORDER OF REMOVAL 1 Install the engine on the front axle bracket 2 Retightening the right hand pivot me...

Страница 40: ...installed will be explained here 1 Drain the transmission case of oil 2 Lift up the transmission and remove the rear wheel on the diff lock side 3 Remove the diff lock pedal from transmission FIG 2 2...

Страница 41: ...ed parts 5 Mount the rear wheel 4 Refill the transmission with oil up to the specified level Level up to fill the oil can be sought from the rear side of rear transmission case Window 2 12 6 Support t...

Страница 42: ...ove the wiring for the rear combination lamps and trailer socket coupler 8 Drain the fuel of fuel tank 9 Remove the fuel tank and tank stay bracket 10 Detach the delivery pipe from the cylinder case 1...

Страница 43: ...s 15 Detach the cylinder case assembly from the rear transmission 2 Installation Reassemble the reverse order of disassemble 1 Tighten the cylinder case on the transmission case to the specified torqu...

Страница 44: ...adiator 5 Inspection of each part 6 Radiator reassembly 7 Daily inspection 8 Trouble shooting SECTION 2 AIR CLEANER SYSTEM 1 General description 2 Double elementary air cleaner 3 Inspection of each pa...

Страница 45: ...ter pump only to provide 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 ho...

Страница 46: ...tor 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 copper and Coppe...

Страница 47: ...the leak by soldering Besides making a visual check a more complete inspection should be accomplished as follows a Leak test with compressed air Place the radiator as shown in the figure Close the op...

Страница 48: ...s b Cleaning the radiator exterior Cleaning the net wire mesh After the tractor has been operated in dusty conditions check the net daily and clean it if necessary Cleaning the radiator cores Clean th...

Страница 49: ...ment When the radiator is hot after operation be sure to wait until the coolant cools down sufficiently before removing the radiator cap If this is not done heated vapor might burst out and cause burn...

Страница 50: ...jacket due to broken 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...

Страница 51: ...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 through air inlet tube and is force...

Страница 52: ...3 HOSE AIRCLEANER INLET 4 BRACKET COMP AIR CLEANER 5 DUCT AIR INLET 6 BOLT HEX SP 7 WIRE CLAMP 60 8 BAND CLAMP 64 Model T264HST Type Dry paper element filtering type Rated intake air volume min cu ft...

Страница 53: ...e the air cleaner body should be removed with a cloth As inhaled dust causes engine wear remove a dust accumulated inside the inlet pipe the rubber hose which connects in the inlet pipe and the air cl...

Страница 54: ...nstructions 1 Each tightening bolt must be secured and care must be taken not to miss the packing and washers 2 Before installing the element clean the rubber packing on the top of the element Note Th...

Страница 55: ...6 TESTSAND ADJUSTMENTS 1 Hydrostatic pedal and neutral adjustment 2 Hydrostatic pump pressure test 3 Charge pump pressure test 4 Hydraulic system bleed procedure SECTION 7 REPAIR 1 Tractor splitting...

Страница 56: ...rev 25 rev 1 53 in rev Displacement Engine at 2700rpm 67 7L min 17 88 US gal min Pressure relief Valve setting 34 0 Mpa 4978psi HYDROSTATIC MOTOR Manufacturer THI Type Fixed displacement piston Motor...

Страница 57: ...0 rpm Pressure Relief Valve setting Pressure 310 5 Kgf at 2 min Cracking Pressure 290 5 Kgf over at 2 min Working oil THF500 Case Drain Temperature 10 C 90 C 20 C 100 C within 5minutes Max Vibration W...

Страница 58: ...SECTION 2 COMPONENT LOCATION 4 3 1 Hydraulic Hoses and lines 1 hydraulic oil cooler 2 Gear pump 3 Cooler return Line 4 Loader Valve 5 Power steering Unit...

Страница 59: ...4 4 2 Hydrostatic Transmission 1 Front drive shaft 2 Hydrostatic unit 3 Back Plate 4 Filter 5 Input shaft From engine...

Страница 60: ...3 HST main pump case 4 5...

Страница 61: ...ef 31 Spring seat 32 Valve Relief 33 Seat Relief 34 Spring1 Relief 35 Spring2 Relief 36 Washer Relief 37 Nut Relief 38 Plug Neutral 39 Spool Neutral 41 Spring Neutral 48 Snap ring 50 Snap ring 51 Snap...

Страница 62: ...late 13 Sphrical bush 14 Cover F 15 Cover R 16 Seal cover P 18 Roller bearing 20 Needle bearing 22 DX bearing 24 Oil seal 25 Spring C Block 26 Filter nipple 27 Name plate 45 T valve Charge 46 Spring C...

Страница 63: ...HER PLAIN 21 PIN SPLIT 22 BUSH 20X23X20 23 PIN NEUTRAL 24 BOLT HEX FINE 25 WASHER SPRING 27 ARM COMP REVERSE 28 BEARING BALL 29 WASHER PLAIN 30 PIN SPLIT 31 C RING SHAFT 32 NIPPLE GREASE A M6F 33 PIN...

Страница 64: ...6 Hydrostatic system schematic 4 8...

Страница 65: ...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 66: ...edal slowly from neutral to maximum travel speed position Machine should accelerate smoothly forward or backwards Check fluid reservoir for proper fluid level Check hydraulic tubing and connections fo...

Страница 67: ...Flow forward or reverse The number of degrees the cam plate is deflected determines how much fluid will be displaced speed The hydrostatic pump provides hydraulic fluid to the hydrostatic motor throug...

Страница 68: ...note direction and adjust neutral return lever as follows 4 Shut engine OFF engage the park brake 5 On the right side of the tractor next to the forward and reverse control pedals locate the neutral...

Страница 69: ...k tractor on a level surface 2 Turn key switch to OFF position 3 Make sure range transmission shift lever is in neutral position 4 Start engine and run until hydraulic oil is warm 5 Stop engine 6 Cycl...

Страница 70: ...3 CHARGE PUMP PRESSURE TEST Reason To ensure that charge pump is operating at specified pressure to supply oil to hydrostatic pump Equipment Refer to the 13 page Procedure 1 Park tractor on a level s...

Страница 71: ...gine and run at low idle 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 hoses are connected...

Страница 72: ...unnel and flywheel housing as outlined in the story below Prepare the Tractor 1 Park tractor on a level surface shut off engine 2 Disconnect battery negative terminal 3 Remove the seat and the floor m...

Страница 73: ...8 Remove the slow return levers 9 Remove the operator s platform LH RH LH RH RH 10 Remove the fuel line Note Lift up the floor gradually making sure that all relevant wiring and clamping are disconne...

Страница 74: ...11 Remove the hydraulic line 4 18 1 hydraulic oil cooler 2 Gear pump 3 Cooler return Line 4 Loader Valve 5 Power steering Unit...

Страница 75: ...from tractor 15 Remove hydraulic pressure tube clamp Magnetic cruise 4 19 Front 4WD shaft Rear Tube Brake linkage 17 Remove a magnetic cruise next to hydrostatic control pedal 12 Disconnect the input...

Страница 76: ...tion of screws when removing 20 Gently pry around edges of flanges to separate tractor halves 18 Lift the engine with the hoist and hold the front axle bracket with a stands or the like 19 Remove 12 s...

Страница 77: ...allation Installation is the reverse of removal Clean flanges of transmission before applying sealant Apply TB1215 sealant to flanges of transmission where it contacts the hydrostatic unit Tighten the...

Страница 78: ...de 4 Remove the body from the housing Fig Body Disassembly 5 Remove gasket from body 6 Remove T valve for charge relief valve 7 Remove two dowel pins and two spring pins NOTE Unless dowel pins and spr...

Страница 79: ...ling press only against side of bearing with lettering When removing bearings from body be extremely careful not to damage machined surfaces Housing Disassembly IMPORTANT The HST housing is aluminum m...

Страница 80: ...spherical bush retainer and spring NOTE The cylinder block of pump and motor are interchangeable but it is recommended that the cylinder blocks go into original position before disassembly during asse...

Страница 81: ...the shaft of pump by using rubber hammer 8 Remove the cover and o ring of right and left side for removing swash plate 9 Remove swash plate obliquely 10 Remove shoe plate of motor side in the housing...

Страница 82: ...e it contacts the retainer 7 Inspect the spherical bush Replace if worn or damaged 8 Inspect the spring Replace if necessary Note The inspection method for rotary parts of pump and motor is same 10 In...

Страница 83: ...m the body new one can be pressed Be sure that the numbers on the bearing race are facing to the outside of the body There are one ball bearing and two needle bearing in the body and one needle bearin...

Страница 84: ...block assembly was disassembled complete the following Note The cylinder block assembly of pump and motor are inter changeable But it is recommended that it is recommended that the assembles go into o...

Страница 85: ...utral valves If the valves is not new install original holes before disassembly 13 Install the body assembly onto the housing assembly 14 Install four socket head cap screws into the body and two sock...

Страница 86: ...ASSEMBLY 1 HST system and change gear front transmission 2 Mid transmission case 1 PTO Input gear 2 PTO counter shaft 3 PTO clutch 4 HST Unit 5 MID PTO Stopper 6 MID PTO Stopper operation 3 Rear trans...

Страница 87: ...drive change gears PTO Clutch Damper HST 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 hydraulic clutch and the PTO cha...

Страница 88: ...ze 15 straight splines Rotation direction CW viewed from the rear PTO clutch Type Wet multi disc hydraulic operated clutch Number of clutch plates Friction 6 Plate 5 Used oil THF500 In common with tra...

Страница 89: ...SECTION 3 DISASSEMBLY INSPECTION AND REASSEMBLY 1 HST system and change gears front transmission 5 3 Fig 5 2 4 PTO clutch 1 Input shaft From engine 2 HST unit 3 Back Plate...

Страница 90: ...2 7 BEARING BALL 8 COLLAR 25X40X12 9 HUB 35X62X20 10 GEAR SPUR 41T 11 BEARING NEEDLE ROLLER 12 GEAR SPUR 53T 13 WASHER 35X55X3 14 BEARING BALL 15 COLLAR 35X50X2 16 C RING SHAFT 17 SHAFT PTO 18 C RING...

Страница 91: ...bolts 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 installing the coupling PTO on the...

Страница 92: ...these rings 4 When installing seal rings Apply fresh oil ahead of time and install them carefully so as not to damage them 1 When pushing the BRG s 6207 in to the shaft be careful only to push their i...

Страница 93: ...assembly and driving plates d While holding return spring 43 compressed with a special tool remove snap ring D95 e Disassemble into separate parts piston return sparing brake disc and cover assembly 3...

Страница 94: ...pection for deformation and burning A seriously damaged or worn disc should be replaced Inspection Items Specified values Usable limit Disc thickness 3 0 1mm 0 118 in 2 7 mm 0 11 in Surface flatness 0...

Страница 95: ...stalling seal rings apply fresh oil ahead of time and install them carefully so as not to damage them b Install the return plate with the press processed side turn towards the brake disc Return plate...

Страница 96: ...bolts 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 installing the clutch damper on the...

Страница 97: ...and reverse 1 HST holder comp 1 When reassembling holder comp take care directions 2 After installing holder comp be sure not to skip the parts 1 HST UNIT 2 Bolt 3 Washer plain 4 Holder comp 5 Nut 5...

Страница 98: ...r 4 Fig 5 18 1 HOLDER COMP 2 BOLT HEX 3 WASHER SPRING 4 NUT HEX 2 5 PIN COMP REVERSE 6 BOLT HEX S 7 PIN COMP FORWARD 8 BOLT HEX S 9 C RING SHAFT 10 ARM COMP FORWARD 12 WASHER PLAIN 13 BUSH 20X23X20 14...

Страница 99: ...ARALLEL A 4 BOLT HEX S 5 SHAFT MID PTO COUNT 6 GEAR SPUR 32T 7 BEARING BALL 8 C RING HOLE 9 COLLAR 17X24X6 10 C RING SHAFT 11 CAP COMP MID PTO SHAFT 12 BOLT HEX S 13 SEAL OIL D 14 C RING HOLE 15 BEARI...

Страница 100: ...OFF position The PTO switch must be OFF position 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 lever to engage Dec...

Страница 101: ...3 Rear transmission case 5 15 Fig 5 23...

Страница 102: ...TO 17 BEARING BALL 6203 8 O RING P 9 PLATE STOP 10 BOLT HEX S 11 PEDAL COMP DIFF LOCK 12 PIN SPRING 13 C RING HOLE 14 SHIM 0 5 3 15 SHIM 0 2 4 16 SHIM 0 1 3 17 DIFF ASSY RR 18 PINION DRIVE 9T 19 GEAR...

Страница 103: ...nd related parts as an assembly The number of installed shims should be written down or memorized for later reference 5 17 Fig 5 27 Fig 5 25 MID PTO Case Fig 5 26 Brake Metal brake brake plate separat...

Страница 104: ...17 with a special tool c Pull out the arm comp 10 d Extract PTO shaft stay 2 rearwards and take out shifter 1 e Be alert to the steel ball which may spring out of the shifter Extract PTO shaft 3 rearw...

Страница 105: ...e replaced Disengaging the resistance of PTO shifters Standard Value 18 22Kgf 40 49lbs Usable limit 17 Kgf 38 lbs Measured at the shifter 3 3 REASSEMBLY Reassemble the parts in reverse order of disass...

Страница 106: ...wo kinds of differential side gears Although are case hardened the one installed on the side of the diff lock is treated further and colored black Take care not to mix them when assembling Apply multi...

Страница 107: ...sition h Backlash adjustment between the drive pinion and the ring pair Fig5 34 i As the drive pinion and the ring gear make a pair be sure not to mate them with other parts from differential tractors...

Страница 108: ...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 109: ...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 installation the slide coupling should smo...

Страница 110: ...LIT 17 CAM SUB ASSY 18 ARM COMP CAM 19 BEARING BALL 20 WASHER PLAIN 21 PIN SPLIT 22 BUSH 20X23X20 23 PIN NEUTRAL 24 BOLT HEX FINE 25 WASHER SPRING 27 ARM COMP REVERSE 28 BEARING BALL 29 WASHER PLAIN 3...

Страница 111: ...S 7 PIN SPRING 8 BUSH 16X18X33 9 LEVER COMP RANGE 10 LINK 11 WASHER PLAIN 12 PIN SPLIT 13 NUT HEX FINE 2 14 GRIP COMP RANGE 15 FORK RANGE 16 STAY RANGE 17 SPRING SHIFTER 18 BALL STEEL Note The O ring...

Страница 112: ...8 PIN SPRING 9 BOLT HEX S 10 LEVER COMP 4WD LOW 11 BUSH 16X18X33 12 E RING 13 LINK 4WD 14 WASHER PLAIN 15 PIN SPLIT Fig 5 40 Fig 5 41 1 Shaft 4WD drive 2 Gear spur 16T 3 Bearing ball 6302 4 Bearing ba...

Страница 113: ...HER 35X55X3 14 BEARING BALL 15 COLLAR 35X50X2 16 C RING SHAFT 17 SHAFT PTO 18 C RING HOLE 19 SEALASSY OIL 20 COVER 21 BOLT HEX SP 7 PIN SPLIT 8 BOLT SET M8X16 9 ARM SET PTO 10 ARM COMP PTO 11 LEVER CO...

Страница 114: ...R PTO shift stay 1 Shaft PTO 2 Snap ring 3 Collar 35X50X2 4 Bearing 6207 1 Stay PTO shift 2 O ring Note The snap ring C should be securely seated in the groove and the press processed side turned towa...

Страница 115: ...11 CAP COMP MID PTO SHAFT 12 BOLT HEX S 13 SEAL OIL D 14 C RING HOLE 15 BEARING BALL 6005 16 SHAFT MID PTO 17 BEARING BALL 6203 5 2 MID PTO CASE SUB ASSY Note When pushing the BRG s 15 into the case...

Страница 116: ...snap ring hole 3 Bearing Ball 6203 Note When pushing the BRG s 6203 into the gear be careful only to push their outer races Fig 5 50 Fig 5 51 5 5 MID PTO shift metal SUB Note Refer to the rear PTO sh...

Страница 117: ...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 procedure Fig 5 57 5 31 Fig 5 52...

Страница 118: ...SHIM 0 1 3 17 DIFF ASSY RR 18 PINION DRIVE 9T 19 GEAR BEVEL 55T 20 CASE DIFF 21 PINION DIFF 12T 22 COLLAR PINION THRUST 23 SHAFT DIFF PINION 24 PIN SPRING 25 WASHER THRUST 34X46X1 26 GEAR BEVEL RH 20T...

Страница 119: ...led before disassembly in each shimming position 4 Backlash adjustment between the drive pinion and the ring pair Fig5 34 As the drive pinion and the ring gear make a pair be sure not to mate them wit...

Страница 120: ...o worn or deformed shifters Replace Gears make a noise when shifted Improperly disengaged clutch Repair or replace Wear in width of gears spline hub collars etc Replace Defective Change shift fork Rep...

Страница 121: ...oose joint or broken 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 Repla...

Страница 122: ...Fig 5 60 5 36 Power Train Diagram...

Страница 123: ...MBLY INSPECTION AND REASSEMBLY 1 Center pivot 1 1 Disassembly 1 2 Inspection 1 3 Reassembly 2 Front differential 2 1 Disassembly 2 2 Inspection 2 3 Reassembly 3 Final case 3 1 Disassembly 3 2 Inspecti...

Страница 124: ...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 125: ...oe in mm 2 6 Camber 3 1 Caster 3 1 Front axle Pivot metal F bore mm 55 Pivot metal R bore mm 65 Pivot metal F bush mm 50X55X20 Pivot metal R bush mm 60X65X30 Housing F Diameter mm 50 Housing R Diamete...

Страница 126: ...HOSE D 12 5 7 METALASSY RR PIVOT 8 METAL RR PIVOT 9 BUSH 60X65X30 10 NIPPLE GREASE B PT 11 O RING G65 12 O RING G60 13 METALASSY FR PIVOT 14 METAL FR PIVOT 15 BUSH 50X55X20 16 NIPPLE GREASE B PT 17 S...

Страница 127: ...SEMBLY Reassemble the parts in reverse order of disassembly following these instructions 1 Lips of the oil seals bush contact surfaces and O rings should be coated with grease in advance 2 When instal...

Страница 128: ...xceeds the usable limit correct play by screwing in the adjust bolt on the top of the pivot metal F Note After correcting the pivot metal play tighten the lock nut of the adjusting bolt to a torque of...

Страница 129: ...EAR 20T DIFF SIDE 7 WASHER THRUST 8 SHAFT DIFF PINION 9 PIN SPRING 5X25 10 PIN SPRING 3X25 11 BEARING BALL 6210 12 C RING SHAFT 40 13 PINION BEVEL 8T 14 BEARING BALL 6010 15 SHIM B 16 SPACER 17 BEARIN...

Страница 130: ...e separated from the Axle housing 7 Remove the straight pin 4 which retains the axle housing Note Discard the removed straight pin and oil seal and install a new pin and Oil seal when reassembled beca...

Страница 131: ...igure 6 14 Specified starting torque 6 7 Kgf cm 0 43 0 51 ft lbs When any of the bevel pinion ring gear TRB collar etc has been replaced inspect the bevel pinion assembly for thrust play in the front...

Страница 132: ...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 133: ...RING SHAFT 40 13 O RING S 95 14 SHAFT LH 15 SHAFT RH 16 PIN PARALLEL A 10X20 17 BOLT HEX M12X35 18 WASHER SPRING M12 1 CASE RH FINAL DRIVE B 2 CASE RH FINAL DRIVE B 3 SHAFT 4 GEAR BEVEL 8T 5 BEARING B...

Страница 134: ...ap 55 when reassembled because this cap is apt to be damaged when removed 5 Detach the snap ring C from the bevel gear 6 Extract the wheel shaft bearing together with the bevel gear using a bearing pu...

Страница 135: ...Inspect mechanical oil seal O rings Gears cases etc and replace them if worn or damaged Measure the diameter the part which makes contact with the wheel shaft with a micro meter or vernier calipers W...

Страница 136: ...e wheel tire is reinstalled turn it by hand to make sure that all the mechanism turns smoothly without making any noise 7 After adjustment of the toe in perform road tests There should be no abnormali...

Страница 137: ...ING CYLINDER Fig 6 28 Fig 6 29 Fig 6 30 1 When installing the steering cylinder Be sure that the rods are not damaged 2 Install the pin 2 before assembling the cylinder 3 Apply an adhesive Lock tite a...

Страница 138: ...eplace Repair or 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 2 Different...

Страница 139: ...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 140: ...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 141: ...echanically operated Diameter 77 x 124 5 mm Thickness 3 4 0 1 mm Lining material Paper JEP 205S Number of plates 2 on each side Separator Plate diameter 77 x 126 mm Thickness 2 5 0 09 mm Number of pla...

Страница 142: ...plate 1 HOUSING AXLE 2 SHAFT WHEEL PINION LH 3 BEARING BALL 4 C RING SHAFT 5 COVER BRAKE 6 BOLT HEX S 7 SHAFT WHEEL PINION RH 8 BEARING BALL 9 C RING HOLE 10 SEAL SHAFT 11 SHAFT WHEEL 12 COLLAR 51X5X1...

Страница 143: ...ce the plates whose surfaces have been become glossy by carbonization or whose thickness exceeds the usable limit Standard thickness mm in 3 4 0 133 Usable limit mm in 3 1 0 122 Fig 7 5 Note Also repl...

Страница 144: ...shaft for abnormalities like wear damage etc and replace a defective one 5 Bearings Check them for abnormalities like hitching irregularity etc in rotation after being washed clean Replace defective...

Страница 145: ...Apply an grease to the oil seal and take care not to be damaged when installing to the brake cam Pay particular attention to the installation of the snap ring The assembled wheel pinion should rotate...

Страница 146: ...uator spring Eccentric wear of actuator Replenish Replace Replace 3 Brake overheating Insufficient oil Excessive pedal free play Improper operation Replenish Adjust Operate brakes properly 4 Brake can...

Страница 147: ...2 1 Gear 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 Inspectio...

Страница 148: ...uit consists of Independent system The oil from tank flows into gear pump of orbitrol via filter and the quantity of oil in the proportion to the rotations of steering wheel flows into steering Cylind...

Страница 149: ...ion direction C C W as viewed from shaft end 2 Power steering valve Unit orbitrol MODEL T264HST Displacement cc rev 63 Rated flow min 16 Maximum system pressure kgf cm2 125 Max back pressure kgf cm2 2...

Страница 150: ...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 the...

Страница 151: ...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 steering pump M...

Страница 152: ...g tolerance 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 hig...

Страница 153: ...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 154: ...itrol referring to Fig 8 2 of SECTION Disassembly Inspection And Reassembly 1 Major component of steering valve orbitrol STEP 1 Column If there is a steering column on OSPM place the unit in the holdi...

Страница 155: ...imes adhere to the housing If the washer does not come out with the shaft it will come out when shaft seal item 5 is being pressed out Ring 10 Remove retaining ring for the neutral position springs ST...

Страница 156: ...eeve Note The ring must be able to rotate unimpeded by the springs STEP 6 Cross pin 11 Fit the cross pin in the spool set Thrust bearing 7 Fit the thick race needle cage and thin race Lubricate the ou...

Страница 157: ...star see sketch STEP 12 O rings 18 Place the O rings in the grooves on each side of the gearwheel rim Gear ring 17 Place the gearwheel rim over the distributor plate so that all holes are in line with...

Страница 158: ...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 159: ...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 160: ...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 161: ...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 162: ...pump 6 Filter SECTION 4 REMOTE HYDRAULIC CONTROL 1 Remote hydraulic control valve optional SECTION 5 HYDRAULIC SYSTEM 1 Hydraulic cylinder 2 Linkage Internal 3 Linkage External 4 main control valve 4...

Страница 163: ...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 164: ...ission MP 9 2 Model T264HST Piston And cylinder Hitch lift capacity lb kg at 24 inches behind link arms 1 102 500 Control Valve Cylinder port leaks min under a pressure of 9800kpa 100 f With gear oil...

Страница 165: ...5x42x40 Bush 40x46x40 7 Crank lift 8 Spring pin 6x40 9 Rod piston 10 Ring 11 O ring P70 12 Piston hyd 13 Cylinder comp 14 O ring 15 Valve assy main control 16 Bolts M8x45 17 Valve assy flow control 18...

Страница 166: ...ntial valve for PTO circuit s over the main circuit 1 Solenoid This solenoid is switched on or off by operating the PTO switch The oil pressure flows from the back pressure of the power steering valve...

Страница 167: ...he left hand side of the valve passing through port its pressure will be set as P2 As PTO valve and HST unit are interconnected then P2 HST unit The force imposed upon the left hand side of the valve...

Страница 168: ...at P2 is port A through T2 Then the force imposed upon the left side of spool P2 overcomes the force imposed upon the right side by spring force So that the spool is pushed rightwards to connect port...

Страница 169: ...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 170: ...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 171: ...pecified torque of 5 6Kgf m 36 43 ft lbs 4 Before disassembly the current screwing in depth of the adjust screw should be written down or memorized for later reference 3 MEASUREMENT OF THE RELIEF PRES...

Страница 172: ...volume efficiency in accordance with revolution speed That is single pump system 2 Gear pump 9 10 3 OPERATIONS This pump induces fluid from one side and delivers it from the each side by rotating two...

Страница 173: ...GENERAL DESCRIPTION The tractor is equipped with two oil filters suction filter 1 and line filter 4 for better filtration 2 SPECIFICATIONS Suction filter 9 15 3 REPLACEMENT Check the O rings for damag...

Страница 174: ...1 Remote hydraulic control valve OPTIONAL 1 VALVE DETENT 2 O RING P10 3 O RING P16 4 BOLT HEX M10X90 6 UNION O RING 7 PIPE AUX VALVE 8 COUPLING A 9 LEVER COMP AUX VALVE 10 BOLT HEX S M8X25 11 GRIP LE...

Страница 175: ...r pump and the main control valve and is given a priority to draw hydraulic power The valve is installed on the right hand side of the hydraulic cylinder case and the connecting ports are provided und...

Страница 176: ...t leak Oil temperature 50 122 Under a load of 100Kgf 9 cc min below Recommended fluid THF 500 Operating temperature range 20 80 4 SPECIFICATIONS 9 18 4 1 HYDRAULIC CIRCUIT Fig 9 33 Remote hydraulic pu...

Страница 177: ...he lift arms should be assembled mutually 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...

Страница 178: ...uched with each other 11 When assemble the lift crank on the lift shaft mesh their splines using the alignment marks which were put there before disassembly 12 Be sure the lift shaft should be moved s...

Страница 179: ...ghtening torque 10 12kgf m Apply oil Fig 9 39 Slow return check valve 9 21 Fig 9 38 Assembly marks 13 Rap the plug with sealing tape 14 Tighten the slow return valve to the specified torque 1000 1200...

Страница 180: ...drive parts 2 Drive in the roll pin into the linkage pin through the rod and lock the pin 3 Be sure not to over operate within specified spool stroke 7mm between up and down at neutral position 9 22...

Страница 181: ...3 LINKAGE EXTERNAL Starting torque 6 8kgf cm Bolts Fig 9 41Linkage external Note Bolts 7 should be tightened after setting the lever up with 6 8 kgf cm of starting torque 9 23...

Страница 182: ...ve and holding check valve 4 2 SPECIFICATIONS Reference Maximum operating pressure 180 Kgf Maximum flow 45 liters min C port leaks 0 5 cc min below At 140 Kgf 4 3 CONSTRUCTION it consists of a spool s...

Страница 183: ...AL position Spring chamber of unloading valve connected to TANK T2 Therefore the force imposed upon the right hand side of the unloading valve then the fluid from the pump flows into TANK T1 The press...

Страница 184: ...id from the pump flows into unloading valve spring therefore the force imposed up the left hand side of the unloading check valve Consequently the fluid in the T1 port becomes to close the unloading T...

Страница 185: ...sed up the right hand side of the unloading check therefore the fluid from the pump flows into the Tank T1 Consequently the force imposed up the left hand side of the main check valve which is connect...

Страница 186: ...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 187: ...ter disassembling cleaning repairing flaws with oil stone 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 188: ...lenishing In either case clean and repair pump parts and replace damaged ones if necessary 10 Oil leaks outside pump Broken or fatigues oil seal or O ring Replace 11 Oil leaks from piping or joints Po...

Страница 189: ...e 3 Worn 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...

Страница 190: ...hart SECTION 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 3 Combination switch 4 Stop light switch 5 Relay unit...

Страница 191: ...al lights The meter is a device that enables the operator to be aware of the present operating conditions oil pressure gauge water temperature gauge thermometer fuel gauge etc are installed All the co...

Страница 192: ...or each 1 change in temperature Therefore when the specific gravity of the electrolyte in the battery is measured with a suction type hydrometer a temperature correction should be made using the follo...

Страница 193: ...p Check electrolyte level Electrolyte level is above top of plates in all cells proceed to step 2 Step 2 Hydrometer test 50 points or more variation between highest and lowest cell Less than 50 points...

Страница 194: ...er in one cell to take 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 Esti...

Страница 195: ...ated pulses are converted into voltage output through a converter Then the voltage is divided into three different phase coils through a IC circuit The tachometer pointer is swung by the compound magn...

Страница 196: ...position in order F to E 3 Read values in three minutes 1 4 Thermometer a Construction This is the same moving magnet type meters as the fuel gauge As the coolant temperature becomes higher the resis...

Страница 197: ...OMBINATION SWITCH 1 Removal 1 Remove the meter panel 2 Remove the light switch knob and turn signal switch lever Fig 10 12 3 Release the ring nut with a conventional screw drive and remove the combina...

Страница 198: ...20A DC12V Stroke to ON 3 0 5mm Total stroke 8mm 1 Terminals 2 Switching positions 1 Terminals 2 Switching positions 4 STOP LIGHT SWITCH Color code B Black LW Light White 7 B1 1 1 H Free 2 Push 5 RELA...

Страница 199: ...The circuit has 8 blade type fuses in its wiring circuit When a fuse has blown replace it with one of the same value Fig 10 18 Note Using a large capacity fuse or wire burn out the wiring system Use...

Страница 200: ...A type Wire Hous ing Description Color Specification A type B type A type B type A type B type 1 Turn signal LH Earth G B W AV 0 85 AV 1 25 2 Reserve light Fog light Small light Tail light R W B AV 0...

Страница 201: ...d hole in the axle bracket 3 Earthed at upper tapped hole in the dash panel Fig 10 25 Fig 10 26 2 Contact surfaces of the axle bracket and engine where they tightened together 1 Front axle bracket 3 I...

Страница 202: ...SECTION 6 WIRING DIAGRAM A3 10 12...

Страница 203: ...and repair or renew Defective light switch Check and renew Several light bulbs burnt out due to defective voltage regulation Check and renew voltage regulator Alternator Individual lights do not illu...

Страница 204: ...s See Individual lights do not illuminate See Individual lights do not illuminate 10 16 Problems Causes Countermeasures Inoperative or erratic meters Loose or broken wiring Inspect Circuit tighten con...

Страница 205: ...plugs do not heat red Discharged Battery Check battery and charge or renew Loose or defective battery cable connections Inspect clean and tighten connections Loose wire harness connections Check and e...

Страница 206: ...gine Refer to the engine manual 4 STARTING SYSTEM Problems Causes Countermeasures Battery is low in charge or discharge Loose or worn alternator drive belt Check and adjust belt tension or renew Defec...

Страница 207: ...tifier or rectifying diodes 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...

Страница 208: ...53 96 3 7795 22 0 8661 47 1 8504 72 2 8346 97 3 8189 23 0 9055 48 1 8898 73 2 8740 98 3 8583 24 0 9449 49 1 9291 74 2 9134 99 3 8976 25 0 9843 50 1 9685 75 2 9528 100 3 9370 M illimeters to inches in...

Страница 209: ...1144 308 3952 311 6760 314 9568 318 2376 321 5184 324 7992 90 100 328 0800 331 3608 334 6416 337 9224 341 2032 344 4840 347 7648 351 0456 354 3264 357 6072 100 miles 0 1 2 3 4 5 6 7 8 9 miles Km Km K...

Страница 210: ...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 98 322 114 709 131 096 147 483 0 10 163 870 180 257 196 644 213 031 229 418 245 805 262 192 278 579 294 966...

Страница 211: ...rs Liters Liters Liters Liters Liters Liters Liters Liters Liters 0 0 0000 4 5460 9 0920 13 6380 18 1840 22 7300 27 2760 31 8220 36 3680 40 9140 0 10 45 4600 50 0060 54 5520 59 0980 63 6440 68 1900 72...

Страница 212: ...233 688 235 892 238 097 240 301 100 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 88 263 0 10 98 070 107 877 117 684 127 491 137 298 147...

Страница 213: ...1536 08 1550 31 100 Kg cm2 0 1 2 3 4 5 6 7 8 9 Kg cm2 Kpa Kpa Kpa Kpa Kpa Kpa Kpa Kpa Kpa Kpa 0 0 0 98 1 196 1 294 2 392 3 490 4 588 4 686 5 784 6 882 6 0 10 980 7 1078 8 1176 8 1274 9 1373 0 1471 1...

Страница 214: ...5 6 7 8 9 Kg m N m N m N m N m N m N m N m N m N m N m 9 810 19 610 29 420 39 230 49 030 58 810 68 650 78 450 88 260 10 98 100 107 910 117 710 127 520 137 330 147 130 156 910 166 750 176 550 186 360...

Страница 215: ...6 7 155 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 18...

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