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Kubota WSM STa-30, Руководство по ремонту

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8-M3

ST

α

-30, ST

α

-35, WSM

STEERING

3. HYDRAULIC  PUMP

The steering system hydraulic pump fed the oil drawn

from the transmission case through the oil filter to the
control valve.  The steering system hydraulic pump is
driven by the engine fuel camshaft.

This hydraulic pump is pressure loading type gear

pump with high volumetric efficiency.
(Reference)

W1012894

■

Operation

The hydraulic pump has two meshing gears (2), (3)

whose teeth run close to the casing (1).  One gear is a
drive gear which drives the driven gear.

When the drive gear is driven in the direction of the

arrow by the fuel camshaft, the gear traps oil between the
gear teeth and the casing.  The higher the engine speed,
the more the pump discharges.

W1013163

The pressure loading system automatically

decreases the clearance between the gear and the
bushings.  A small amount of pressurized oil is fed
behind the bushings, pressing them against the gears
and forming a tighter seal against leakage.  Therefore,
leakage from the delivery side (high pressure) to the inlet
side (low pressure) does not increase even if the
pressure on the delivery side increases.

W1013265

Pump discharge per revolution

6.128 cc/rev.
0.373 cu.in./rev.

Pump discharge 
displacement

At 2800 
rpm 
engine 
speed

At no-
load

14.0 L/min.
3.70 U.S.gal./min.
3.08 Imp.gal./min.

(1) Power Steering Hydraulic 

Pump

(2) 3-Point System Hydraulic 

Pump

(3) Pump Body
(4) Bushing

(5) Drive Gear
(6) Side Plate
(7) Bushing
(8) Driven Gear
(9) Double Ring

(1) Casing
(2) Gear
(3) Gear

A: Outlet
B: Inlet

(1) Loading Pressure
(2) Gear
(3) Pressure Introducing Port
(4) Bushing

A: Outlet
B: Inlet

KiSC issued 11, 2006 A

Содержание WSM STa-30

Страница 1: ...ST 30 ST 35 WORKSHOP MANUAL TRACTOR KiSC issued 11 2006 A...

Страница 2: ...g Under the heading General section comes general precautions check and maintenance and special tools Other section there are troubleshooting servicing specification lists checking and adjusting disas...

Страница 3: ...anual and decals on the machine itself to warn of the possibility of personal injury Read these instructions carefully It is essential that you read the instructions and safety regulations before you...

Страница 4: ...ck Always support the machine by safety stands Do not touch the rotating or hot parts while the engine is running Never remove the radiator cap while the engine is running or immediately after stoppin...

Страница 5: ...Keep electrolyte away from eyes hands and clothing If you spill electrolyte on yourself flush with water and get medical attention immediately DISPOSE OF FLUIDS PROPERLY Do not pour fluids into the g...

Страница 6: ...STRUCTIONS The following safety decals are installed on the machine If a decal becomes damaged illegible or is not on the machine replace it The decal part number is listed in the parts list SAFETY DE...

Страница 7: ...5 ST 30 ST 35 WSM SAFETY INSTRUCTIONS KiSC issued 11 2006 A...

Страница 8: ...6 ST 30 ST 35 WSM SAFETY INSTRUCTIONS KiSC issued 11 2006 A...

Страница 9: ...99 Imp gals Engine coolant with recovery tank 5 8 L 1 56 U S gals 1 28 Imp gals Transmission case 18 5 L 4 89 U S gals 4 07 Imp gals Front axle case 4 0 L 1 06 U S gals 0 88 Imp gals Tires Front Farm...

Страница 10: ...gear shift 3 forward and 3 reverse Brake Wet disk type Differential Bevel gear Hydraulic system Hydraulic control system Position control Pump capacity 23 L min 6 1 U S gals min 5 1 Imp gals min Thre...

Страница 11: ...o 3 9 0 to 6 5 0 to 4 0 2 Middle 0 to 12 7 0 to 7 9 0 to 12 2 0 to 7 6 0 to 12 6 0 to 7 8 3 High 0 to 28 4 0 to 17 6 0 to 27 2 0 to 17 0 0 to 28 2 0 to 17 5 Max Speed at 2850 engine rpm 29 9 18 6 28 7...

Страница 12: ...10 ST 30 ST 35 WSM DIMENSIONS DIMENSIONS KiSC issued 11 2006 A...

Страница 13: ...G GENERAL KiSC issued 11 2006 A...

Страница 14: ...2 CHECK POINTS OF INITIAL 50 HOURS G 12 3 CHECK POINTS OF EVERY 50 HOURS G 15 4 CHECK POINTS OF EVERY 100 HOURS G 17 5 CHECK POINTS OF EVERY 200 HOURS G 22 6 CHECK POINTS OF EVERY 400 HOURS G 24 7 CHE...

Страница 15: ...em 4 Hydrostatic Transmission HST 5 3 Range of Speed 6 Bi speed Turn 7 Cruise Control 8 Wet Disc Brake 9 Standard mid PTO 10 Simultaneous Mounting of Both the Mid Mount Mower and Front Loader 11 Combi...

Страница 16: ...ON When contacting your local KUBOTA distributor always specify engine serial number tractor serial number and hour meter reading W1010805 1 Tractor Identification Plate 2 Tractor Serial Number 3 Engi...

Страница 17: ...only KUBOTA genuine parts for parts replacement to maintain machine performance and to assure safety Gaskets and O rings must be replaced during reassembly Apply grease to new O rings or oil seals bef...

Страница 18: ...perform periodic check for a fee Do not attempt to modify or remodel any electrical parts and wiring When removing the battery cables disconnect the negative cable first When installing the battery ca...

Страница 19: ...e sag be required W1011587 In installing a part take care not to get wiring caught by it W1011670 After installing wiring check protection of terminals and clamped condition of wiring only connect bat...

Страница 20: ...ater immediately Before recharging the battery remove it from the machine Before recharging remove cell caps Do recharging in a well ventilated place where there is no open flame nearby as hydrogen ga...

Страница 21: ...there is no female connector being too open W1012430 Make certain plastic cover is large enough to cover whole connector W1012519 5 HANDLING OF CIRCUIT TESTER Use tester correctly following manual pro...

Страница 22: ...with filter 4 5 L 1 19 U S gals 0 99 Imp gals Engine oil API service CC or CD class Below 0 C 32 F SAE10W 10W 30 or 10W 40 0 to 25 C 32 to 77 F SAE20 10W 30 or 10W 40 Above 25 C 77 F SAE30 10W 30 or 1...

Страница 23: ...29 0 to 33 2 31 4 to 34 3 3 2 to 3 5 23 2 to 25 3 48 1 to 55 8 4 9 to 5 7 35 5 to 41 2 39 3 to 44 1 4 0 to 4 5 29 0 to 32 5 60 9 to 70 6 6 2 to 7 2 44 9 to 52 0 M12 12 mm 0 47 in 62 8 to 72 5 6 4 to 7...

Страница 24: ...tem Check G 16 9 Greasing G 15 10 Wheel bolt torque Check G 16 11 Battery condition Check G 21 12 Air cleaner element Single type Clean G 17 Replace G 17 13 Air cleaner element Double type Primary ele...

Страница 25: ...of seat belt and ROPS attaching hardware 7 Check and clean the radiator screen and grill 8 Check the screws and nuts of tires are tight 9 Check the number plate 10 Care of danger warning and caution l...

Страница 26: ...ing Engine Oil Filter Cartridge CAUTION Be sure to stop the engine before changing oil filter cartridge Allow engine to cool down sufficiently oil can be hot and can burn 1 Remove the oil filter cartr...

Страница 27: ...age to the transmission Do not mix different blands oil together W1015055 Replacing Hydraulic Oil Filter Cartridge and Transmission Oil Filter HST Cartridge CAUTION Be sure to stop the engine before c...

Страница 28: ...ng Clutch Pedal Free Travel CAUTION When checking park the tractor on flat ground apply the parking brake stop the engine and remove the key 1 Slightly depress the clutch pedal 1 and measure free trav...

Страница 29: ...Y 50 HOURS Greasing 1 Apply a grease to the following position as figures W1016347 1 Grease Fitting Top Link 2 Grease Fitting Lifting Rod RH 3 Battery Terminal 4 Grease Fitting Brake Pedal Shaft 5 Gre...

Страница 30: ...O gear shift lever 1 Engage the PTO gear shift lever 2 Fully depress the clutch pedal again 3 Turn the key to START position 4 The engine must not crank After testing If crank any test of the above ad...

Страница 31: ...ed inspect inside of the element with a light and check if it is damaged or not 3 When replacing the air cleaner element primary 1 replace the secondary element 4 as well Once a year or after every si...

Страница 32: ...out onto the running engine causing a fire 1 Check to see that all line and hose clamps are tight and not damaged 2 If hoses and clamps are found worn or damaged replace or repair them at once 3 The f...

Страница 33: ...rake pedal The difference between the right and left pedal plays must be less than 5 0 mm 0 19 in 1 Release the parking brake 2 Slightly depress the brake pedals 1 and measure free travel L at top of...

Страница 34: ...the No of notch is not within the factory specifications loosen the lock nut 2 and turn the brake rod LH 3 and RH 4 to adjust within acceptable limits 3 Retighten the lock nut 2 securely IMPORTANT Che...

Страница 35: ...it away completely with water immediately and get medical attention Wear eye protection and rubber gloves when working around battery 1 Mishandling the battery shortens the service life and adds to m...

Страница 36: ...tandard fashion 2 The battery is charged if the indicator display turns green from black IMPORTANT Do not charge rapidly 3 When exchanging an old battery into new one use battery of equal specificatio...

Страница 37: ...the boiling point what is called Overheating 1 Stop the machine operation in a safe place and keep the engine unloaded idling 2 Don t stop the engine suddenly but stop it after about 5 minutes of unlo...

Страница 38: ...lock nut 2 4 Attach the snap ring 1 to the dust cover 4 IMPORTANT A right and left tie rod joint is adjusted to the same length W1020026 6 CHECK POINTS OF EVERY 400 HOURS Changing Transmission Fluid...

Страница 39: ...es 1 Replace the hoses and clamps Refer to Checking Radiator Hose and Hose Clamp See page G 23 W1021176 Replacing Fuel Hose 1 Replace the fuel hoses and clamps if necessary Refer to Checking Fuel Line...

Страница 40: ...reeze until the coolant level is just below the port Install the radiator cap 1 securely 7 Fill with coolant up to FULL mark on the recovery tank 2 8 Start and operate the engine for few minutes 9 Sto...

Страница 41: ...ix the anti freeze with water and then fill in to the radiator At 760 mmHg pressure atmospheric A higher boiling point is obtained by using a radiator pressure cap which permits the development of pre...

Страница 42: ...and run for about 30 seconds and then stop the engine 4 Close the air vent cock IMPORTANT Always close the air vent cock except for bleeding fuel lines Otherwise engine runs irregularly or stalls fre...

Страница 43: ...h electrical problems If any of them should blow replace with a new one of the same capacity Protected Circuit W1023430 Replacing Light Bulb 1 Head lights and rear combination lights Take the bulb out...

Страница 44: ...024100 Piston Ring Tool Code No 07909 32121 Application Use exclusively for removing or installing the piston ring with ease W1024150 Diesel Engine Compression Tester Code No 07909 30208 Assembly 0790...

Страница 45: ...check of radiator cap pressure and leaks from cooling system W1024532 Connecting Rod Alignment Tool Code No 07909 31661 Application Use to check the connecting rod alignment Applicable Connecting rod...

Страница 46: ...age Code No 07909 30241 Application Use to check the oil clearance between crankshaft and bearing etc Measuring Green 0 025 to 0 076 mm 0 001 to 0 003 in range Red 0 051 to 0 152 mm 0 002 to 0 006 in...

Страница 47: ...to 12 8 mm dia 0 492 to 0 504 in dia L 8 9 to 9 1 mm 0 350 to 358 in C1 Chamfer 1 0 mm 0 039 in C2 Chamfer 2 0 mm 0 079 in C0 3 Chamfer 0 3 mm 0 012 in A Pressure gauge full scale More than 29 4 MPa...

Страница 48: ...6 38 in B 35 mm 1 38 in C 27 mm 1 06 in D 35 mm dia 1 38 in dia E 27 90 to 27 95 mm dia 1 098 to 1 100 in dia F 25 00 to 25 01 mm dia 0 984 to 0 985 in dia A 175 mm 6 89 in B 40 mm 1 57 in C 38 mm 1 4...

Страница 49: ...R40 mm R1 57 in D 10 mm 0 39 in E 20 mm 0 79 in F 20 mm dia 0 79 in dia G 56 8 to 56 9 mm dia 2 236 to 2 240 in dia H 51 8 to 51 9 mm dia 2 039 to 2 043 in dia A 130 mm 5 12 in B 72 mm 2 83 in C R40 m...

Страница 50: ...33 Long Connector HST Measurement Kit for B7100HST Code No 07916 60831 Application Use for checking HST charge relief pressure W1026585 Clutch Center Tool For B and L Series Tractors Application The c...

Страница 51: ...lows easy testing of hydraulic system W1031318 Adaptor Set for Flow Meter Code No 07916 54031 Application Use for testing the hydraulic system W1031396 1 Gauge 07916 50322 2 Cable 07916 50331 3 Thread...

Страница 52: ...e W1073871 A 2 8 5 mm dia 2 0 334 in dia B 40 mm 1 57 in C 0 52 rad 30 D 25 mm 0 98 in E 15 mm 0 59 in F 3 mm 0 118 in G 1 7 to 1 9 mm 0 067 to 0 075 in H 3 0 to 3 25 mm 0 118 to 0 128 in I 8 0 mm dia...

Страница 53: ...ate tractor with a loose rim wheel or axle IMPORTANT Always attach tires as shown in the figure See page G 40 If not attached as the figure transmission parts may be damaged Do not use tires larger th...

Страница 54: ...rking with trailer set the wheel tread as wide as practical for the job for maximum stability Rear tread can be adjusted as shown with the standard equipped tires To change the tread 1 Change the posi...

Страница 55: ...ium chloride solution do not pour water over calcium chloride since this results in chemical reaction which will cause high temperature Instead add a small amount of calcium chloride to the water at a...

Страница 56: ...he air valve and pump air into the tire to the specified pressure Weight of Calcium Chloride Solution Filling 75 of Full Capacity of a Tire W1033435 Tire sizes 9 5 22 12 4 16 Slush free at 10 C 14 F S...

Страница 57: ...ending on soil operating conditions Max width of tire tread Lower link end max lifting capacity W0 Front Rear ST 30 ST 35 6 12 Farm 6 00 12 Farm 1020 mm 401 57 in 9 5 22 Farm 1070 mm 421 26 in 1150 kg...

Страница 58: ...1 ENGINE KiSC issued 11 2006 A...

Страница 59: ...CONTENTS MECHANISM 1 FUEL SYSTEM 1 M1 1 GOVERNOR 1 M1 For not above mentioned engine mechanism information please refer ENGINE MECHANISM WSM 97897 01871 NOTICE KiSC issued 11 2006 A...

Страница 60: ...ery current into the engine stop solenoid 16 the plunger 17 is actuated to arrow direction Since the steel ball 1 have no centrifugal force the control rack 14 is pushed to the right by the start spri...

Страница 61: ...ropped and fork lever 2 9 is pulled to the right by the governor springs 1 7 and 2 8 increasing fuel injection Though fork lever 2 9 becomes ineffective in increasing fuel injection when it is stopped...

Страница 62: ...ENGINE FROM TRACTOR 1 S11 2 ENGINE BODY 1 S20 1 Checking and Adjusting 1 S20 2 Disassembling and Assembling 1 S22 3 Servicing 1 S32 3 LUBRICATING SYSTEM 1 S48 1 Checking 1 S48 2 Servicing 1 S48 4 COO...

Страница 63: ...d nozzle holder Correct or replace timing gear Replace Adjust G 8 G 28 G 18 G 8 G 8 1 S50 1 S20 1 S40 S47 1 S21 Starter Does Not Run Battery discharged Starter malfunctioning Main switch malfunctionin...

Страница 64: ...l leaking due to defective seals or packing Shift ring gap direction Replace Replace the piston Replace Replace 1 S29 1 S40 1 S41 1 S33 Fuel Mixed into Lubricant Oil Injection pump s plunger worn Defi...

Страница 65: ...iator fin clogged with dust Inside of radiator corroded Coolant flow route corroded Radiator cap defective overload running Head gasket defective Incorrect injection timing Unsuitable fuel used Replen...

Страница 66: ...55 to 0 70 mm 0 0217 to 0 0276 in Valve Clearance At Engine Cold 0 18 to 0 22 mm 0 0071 to 0 0087 in Valve Seat Width Intake Width Exhaust 2 12 mm 0 0835 in 2 12 mm 0 0835 in Valve Seat Angle Intake A...

Страница 67: ...etting Load Setting Length Tilt 41 7 to 42 2 mm 1 6417 to 1 6614 in 117 6 N 12 0 kgf 26 4 lbs 35 0 mm 1 3780 in 41 2 mm 1 6220 in 100 0 N 10 2 kgf 22 5 lbs 1 0 mm 0 039 in Rocker Arm Shaft to Rocker A...

Страница 68: ...e 0 12 to 0 48 mm 0 0047 to 0 0189 in 0 9 mm 0 0354 in Idle Gear Shaft to Idle Gear Bushing Idle Gear Shaft Idle Gear Bushing Clearance O D I D 0 025 to 0 066 mm 0 00098 to 0 00260 in 37 959 to 37 975...

Страница 69: ...ing Ring Gap 0 25 to 0 45 mm 0 0098 to 0 0177 in 1 25 mm 0 0492 in Connecting Rod Alignment 0 05 mm 0 0020 in Piston Pin to Small End Bushing Piston Pin Small End Bushing Clearance O D I D 0 014 to 0...

Страница 70: ...mm 3 23819 to 3 23906 in 0 15 mm 0 0059 in 0 15 mm 0 0059 in D1703 M I D Standard I D Oversize 87 000 to 87 022 mm 3 42519 to 3 42606 in 87 250 to 87 272 mm 3 43503 to 3 43590 in 0 15 mm 0 0059 in 0 1...

Страница 71: ...g from 88 to 59 kPa from 0 9 to 0 6 kgf cm2 from 13 to 9 psi Injection Pump Injection Timing 0 30 to 0 33 rad 17 to 19 before T D C Pump Element Fuel Tightness 14 7 MPa 150 kgf cm2 2133 psi Delivery V...

Страница 72: ...to 21 69 35 5 to 41 2 57 2 to 66 5 17 4 to 20 3 Item Size x Pitch N m kgf m ft lbs Cylinder head cover screw Cylinder head screw Main bearing case screw 1 Main bearing case screw 2 Flywheel screw Conn...

Страница 73: ...neath the engine 2 To drain the oil remove the both drain plug 1 at the bottom of the engine and drain the oil completely 3 Screw in the both drain plug 1 When refilling Fill the engine oil up to the...

Страница 74: ...he transmission Do not mix different blands oil together W1012748 Hood Side Cover and Battery Cord 1 Open the hood 1 and remove the front grille 3 2 Disconnect the battery grounding cord 4 3 Disconnec...

Страница 75: ...l lever 3 and holder 4 IMPORTANT After assembling be sure to adjust the accelerator wire to speed control lever to operate the engine maximum speed Be sure to check the accelerator wire is not interfe...

Страница 76: ...upper side side in parallel between panel under frame and screw plate of steering pillar Be sure to clamp the delivery hoses 4 and 5 to position hydraulic delivery pipe with clamp band 12 Be sure to c...

Страница 77: ...ness from each harness clamp 3 Remove the fuse box mounting screws and remove the fuse box assembly 10 W1045601 1 Horn 2 Battery Positive Code 3 Alternator 4 Starter 5 Engine Oil Pressure Switch 6 Har...

Страница 78: ...2 Remove the panel under frame mounting screw 3 and nut pull up the panel under frame 4 to remove it When reassembling When reassembling the panel under frame tighten the two nuts 5 for insulation rub...

Страница 79: ...l tank 5 When reassembling Be sure to fix the sponges to the original position W1055997 Wire Harness 1 Remove the glow plug cable 1 2 Disconnect the 1P connector from the coolant temperature sensor 2...

Страница 80: ...Shaft 1 Loosen the clamp 1 and slide the propeller shaft cover 2 2 Tap out the spring pin 3 and then slide the coupling 4 3 Remove the propeller shaft with cover When reassembling Apply grease to the...

Страница 81: ...sembling Direct the shorter end of the clutch disc boss toward the flywheel Apply molybdenum disulphide Three Bond 1901 or equivalent to the splines of clutch disc boss Make sure of reamer screws posi...

Страница 82: ...easurement is below the allowable limit apply a small amount of oil to the cylinder wall through the nozzle hole and measure the compression pressure again 9 If the compression pressure is still less...

Страница 83: ...ng Turn the flywheel 0 26 rad 15 clockwise and counterclockwise to see if the piston is at the compression top dead center or the overlap position Now referring to the table below readjust the valve c...

Страница 84: ...d Valves Cylinder Head Cover 1 Remove the breather hose 2 Remove the head cover screws 3 Remove the cylinder head cover 1 When reassembling Check to see if the cylinder head cover gasket is not defect...

Страница 85: ...e changed when the injection nozzle is removed for cleaning or for service W1021255 Rocker Arm and Push Rod 1 Remove the rocker arm bracket mounting bolts 2 Detach the rocker arm assembly 1 3 Remove t...

Страница 86: ...ine oil thinly around them IMPORTANT Do not change the combination of tappet and tappet guide W1022001 Valves 1 Remove the valve caps 2 2 Remove the valve spring collet 3 pushing the valve spring reta...

Страница 87: ...enoid guide and the engine stop lever in their respective positions When installing the stop solenoid be careful to keep the O ring in place Be sure to insert the push rod of the stop solenoid into th...

Страница 88: ...W1024531 Crankshaft Oil Slinger 1 Remove the feather key 2 Remove the crankshaft collar 3 3 Remove the O ring 2 4 Detach the crankshaft oil slinger 1 When reassembling Insert the crankshaft collar 3 a...

Страница 89: ...time When reassembling After installation check to see that the fork lever 1 1 and 2 are fixed to the fork lever shaft and that they can turn smoothly in the holder 5 W1025309 Crank Gear 1 Draw out th...

Страница 90: ...oil pan side of the oil pan gasket To avoid uneven tightening tighten oil pan mounting screws in diagonal order from the center W1025687 Connecting Rod Cap 1 Remove the connecting rod caps When reass...

Страница 91: ...d piston Make sure of the position of each piston by marking For example mark 1 on the No 1 piston Place the piston rings with their gaps at 0 79 rad 45 from the piston pin s direction as shown in the...

Страница 92: ...te side of the oil ring gap 11 Apply engine oil to the piston pin When installing the connecting rod to the piston immerse the piston in 80 C 176 F oil for 10 to 15 minutes and insert the piston pin t...

Страница 93: ...ring case cover mounting screws with even force on the diagonal line W1027062 Crankshaft 1 Remove the main bearing case screws 2 1 2 Pull out the crankshaft assembly 2 taking care not to damage the cr...

Страница 94: ...l the thrust bearing with its oil groove facing outward Confirm that the main bearing case moves smoothly after tightening the main bearing case screw 1 to the specified torque W1027366 3 Servicing A...

Страница 95: ...07909 33102 or valve seat grinder 6 Then correct the cylinder head surface with a surface grinder or replace the cylinder head W1076880 Clearance between Valve Stem and Valve Guide 1 Remove carbon fr...

Страница 96: ...h a hammer during replacement W1027889 Valve Seating 1 Coat the valve face lightly with prussian blue and put the valve on its seat to check the contact 2 If the valve does not seat all the way around...

Страница 97: ...thin film of compound between the valve face and valve seat and fit them with valve lapping tool 4 Check the valve seating with prussian blue The valve seating surface should show good contact all th...

Страница 98: ...rocker arm I D with an inside micrometer and then calculate the oil clearance 3 If the oil clearance exceeds the allowable limit replace the rocker arm and measure the oil clearance again If it still...

Страница 99: ...3 If the measurement exceeds the allowable limit replace the idle gear collar W1029843 Oil Clearance between tappet and tappet guide bore Factory spec 0 020 to 0 062 mm 0 00079 to 0 00244 in Allowabl...

Страница 100: ...and idle gear bore and apply engine oil to them 2 Using an idle gear bushing replacing tool press in a new bushing service parts to the specified dimension See figure W1031083 Camshaft Alignment 1 Su...

Страница 101: ...iston pin bore I D in both the horizontal and vertical directions with a cylinder gauge 2 If the measurement exceeds the allowable limit replace the piston W1031817 Cam height of intake Factory spec 3...

Страница 102: ...hing hole W1032140 Piston Ring Gap 1 Insert the piston ring into the lower part of the liner the least worn out part with the piston 2 Measure the ring gap with a feeler gauge 3 If the gap exceeds the...

Страница 103: ...ll the piston pin into the connecting rod 2 Install the connecting rod on the connecting rod alignment tool 3 Put a gauge over the piston pin and move it against the face plate 4 If the gauge does not...

Страница 104: ...e misalignment exceeds the allowable limit replace the crankshaft W1033001 Crankshaft side clearance Factory spec 0 15 to 0 35 mm 0 0059 to 0 0138 in Allowable limit 0 5 mm 0 0197 in Oversize Bearing...

Страница 105: ...e connecting rod screws are tightened Reference Undersize crankpin bearing Undersize dimensions of crankpin W1033106 Oil clearance between crankpin and crankpin bearing Factory spec 0 025 to 0 087 mm...

Страница 106: ...new bearing 1 2 so that its seam 1 directs toward the exhaust manifold side W1033946 Oil clearance between crankshaft journal and crankshaft bearing 1 Factory spec 0 040 to 0 118 mm 0 00157 to 0 00465...

Страница 107: ...ze crankshaft bearing 2 Undersize dimensions of crankshaft journal W1034075 Oil clearance between crankshaft and crankshaft bearing 2 Factory spec 0 040 to 0 104 mm 0 00157 to 0 00409 in Allowable lim...

Страница 108: ...e guide 2 to the crankshaft 3 Set the stopper 1 to the crankshaft as shown in figure 4 Heat a new sleeve to a temperature between 150 and 200 C 302 to 392 F and fix the sleeve to the crankshaft as sho...

Страница 109: ...rsize cylinder is worn beyond the allowable limit replace the cylinder block with a new one W1034448 Cylinder I D Factory spec D1463 M 82 000 to 82 0022 mm 3 22835 to 3 22921 in D1703 M 87 000 to 87 0...

Страница 110: ...e oil pressure switch to the specified torque W1034952 2 Servicing Rotor Lobe Clearance 1 Measure the clearance between lobes of the inner rotor and the outer rotor with a feeler gauge 2 Measure the c...

Страница 111: ...elt halfway between the fan drive pulley and alternator pulley at specified force 98 N 10 kgf 22 lbs 2 If the measurement is not within the factory specifications loosen the alternator mounting screws...

Страница 112: ...t ten minutes after the engine has stopped and cooled down Otherwise hot water way gush out scalding nearby people 1 Set a radiator tester Code No 07909 31551 on the radiator cap 2 Apply the specified...

Страница 113: ...rom 0 175 rad 10 to 0 436 rad 25 before mark 1TC Calculate the angle which the center of the window points out If the calculation differs from specified injection timing add or remove the shim 2 to ad...

Страница 114: ...the flywheel and raise the pressure to approx 14 7 MPa 150 kgf cm2 2133 psi 4 Now turn the flywheel back about half a turn to keep the plunger free Maintain the flywheel at this position and clock th...

Страница 115: ...ion pressure is obtained Reference Pressure variation with 0 025 mm 0 00098 in difference of adjusting washer thickness Approx 235 kPa 3 0 kgf cm2 43 psi W1037197 Nozzle Spraying Condition 1 Set the i...

Страница 116: ...oting its direction After assembling the nozzle be sure to adjust the fuel injection pressure W1089102 Tightening torque Nozzle holder 34 3 to 39 2 N m 3 5 to 4 0 kgf m 25 3 to 28 9 ft lbs Overflow pi...

Страница 117: ...2 CLUTCH KiSC issued 11 2006 A...

Страница 118: ...CONTENTS MECHANISM 1 FEATURES 2 M1 2 OPERATION 2 M2 KiSC issued 11 2006 A...

Страница 119: ...and is operated by stepping on the clutch pedal When the clutch pedal is depressed the clutch is disengaged and when it is released the clutch is engaged and power from the engine is transmitted to t...

Страница 120: ...e clutch rod 7 Then the release fork 6 pushes the release hub 8 and release bearing 9 toward the flywheel Simultaneously the release bearing 9 pushes the diaphragm spring 5 As the pressure plate 4 is...

Страница 121: ...ING TORQUES 2 S3 4 CHECKING DISASSEMBLING AND SERVICING 2 S4 1 CHECKING AND ADJUSTING 2 S4 2 DISASSEMBLING AND ASSEMBLING 2 S4 1 Separating Engine from Clutch Housing 2 S4 2 Separating Clutch Assembly...

Страница 122: ...Chattering Grease or oil on clutch disc facing Clutch disc or pressure plate warped Clutch disc boss spline worn or rusted Clutch shaft bent Pressure plate or flywheel face cracked or scored Clutch di...

Страница 123: ...in Safety Switch Setting Position Distance B of Safety Switch when Clutch Pedal Released Approx 6 0 mm 0 236 in Clutch Disc Disc Surface to Rivet Top Depth 0 3 mm 0 012 in Clutch Disc Boss to Gear Sh...

Страница 124: ...ing wheel mounting nut Steering hose RH and LH retaining nut Power steering delivery hose retaining nut Clutch housing and engine mounting screw and nut M10 M12 Clutch mounting screw 48 04 to 56 0 25...

Страница 125: ...se and remove the drain plugs 1 2 Drain the transmission fluid 3 Reinstall the drain plug 1 When refilling Fill new oil from filling port after remaining the filling plug 2 up to the upper notch on th...

Страница 126: ...012884 Meter Panel and Panel Under Cover 1 Open the meter panel 1 and disconnect the meter panel connector 2 and hour meter cable 3 Then remove the meter panel 2 Remove the sponge 3 Disconnect the com...

Страница 127: ...tor wire to speed control lever to operate the engine maximum speed Be sure to check the accelerator wire is not interfere with power steering any hoses W1013265 Fuel Sensor Wire 1 Turn over the fuel...

Страница 128: ...pper side side in parallel between panel under frame and screw plate of steering pillar Be sure to clamp the delivery hoses 4 and 5 to position hydraulic delivery pipe with clamp band 12 Be sure to ch...

Страница 129: ...ess from each harness clamp 3 Remove the fuse box mounting screws and remove the fuse box assembly 10 W1045601 1 Horn 2 Battery Positive Code 3 Alternator 4 Starter 5 Engine Oil Pressure Switch 6 Harn...

Страница 130: ...Remove the panel under frame mounting screw 3 and nut pull up the panel under frame 4 to remove it When reassembling When reassembling the panel under frame tighten the two nuts 5 for insulation rubb...

Страница 131: ...l tank 5 When reassembling Be sure to fix the sponges to the original position W1055997 Wire Harness 1 Remove the glow plug cable 1 2 Disconnect the 1P connector from the coolant temperature sensor 2...

Страница 132: ...Shaft 1 Loosen the clamp 1 and slide the propeller shaft cover 2 2 Tap out the spring pin 3 and then slide the coupling 4 3 Remove the propeller shaft with cover When reassembling Apply grease to the...

Страница 133: ...reamer screw 6 to beside the 5 mm 0 2 in dia hole 4 and symmetry position Be sure to assemble the clutch mounting reamer screw 6 to the screw hole for reamer screw 8 The reamer screw tighten first th...

Страница 134: ...es not rotate 3 Slightly move the disc and measure the displacement around disc edge 4 If the measurement exceeds the allowable limit replace clutch disc W1016276 Clutch Disc Wear 1 Measure the depth...

Страница 135: ...n if the clearance is within the allowable limit W1016482 Checking Pressure Plate and Diaphragm 1 Check the pressure plate and if scratched on its surface correct with sandpaper or replace it 2 Check...

Страница 136: ...3 TRANSMISSION KiSC issued 11 2006 A...

Страница 137: ...eration and Valves 3 M5 5 Control Linkage 3 M10 6 Cruise Control Linkage 3 M11 7 Cruise Control Release System 3 M12 3 RANGE GEAR SHIFT SECTION 3 M13 4 FRONT WHEEL DRIVE SHIFT SECTION 3 M14 5 REAR PTO...

Страница 138: ...SSION 1 STRUCTURE 1 Hydrostatic Transmission Section 2 PTO Gear Shift Section 3 Range Gear Shift Section 4 Rear PTO Shift Section 5 Mid PTO Shift Section 6 Front Wheel Drive Section 7 Bi speed Turn Se...

Страница 139: ...d valve system W1012610 1 Neutral Valve Reverse 2 Neutral Valve Forward 3 Trunnion Shaft 4 Input Shaft 5 Charge Port 6 Check and High Pressure Relief Valve Forward 7 Drain Port 8 Case Relief Valve 9 C...

Страница 140: ...lacement Pump HST Pump 4 Charge Pump 5 Oil Filter 10 6 Check and High Pressure Relief Valve Forward 7 Check and High Pressure Relief Valve Reverse 8 Charge Relief Valve 9 Neutral Valve Forward 10 Neut...

Страница 141: ...der 3 rotates pistons 2 move across the sloping face of swashplate 1 and slide in or out of their cylinder bores The oil 4 forced out by the pump pistons 2 causes the motor pistons 6 to slide out of t...

Страница 142: ...hey only rotate with cylinder block 20 without reciprocating Since the oil is not being pumped to the motor 8 The cylinder block 21 in the motor 8 is stationary and the output shaft 14 does not move W...

Страница 143: ...the output shaft 6 rotates with the motor cylinder block 7 This drives the machine forward and the angle of pump swashplate 10 determines the output shaft speed As the motor cylinder block 7 continue...

Страница 144: ...utput shaft 6 rotates with the motor cylinder block 7 This drives the machine rearward and the angle of pump swashplate 10 determines the output shaft speed As the motor cylinder block 7 continued to...

Страница 145: ...of the main oil circuit In neutral both valves are open and charging oil enters into the main oil circuit through the valves At normal operation the check valve in the high pressure side is closed an...

Страница 146: ...re in their lines becomes low And when the oil pressure in the high pressure line increases to a specified pressure the neutral valve closes W1017148 Oil Filter Impurities various metallic chips dust...

Страница 147: ...creases reverse speed The roller 10 on the neutral holder 9 is held with spring seats the detent of the neutral cam 8 so that the neutral cam 8 returns to neutral Then the swashplate is returned to ne...

Страница 148: ...are moved to arrow direction HST lever LH 9 is connected with trunnion therefore the swashplate turns to forward position Speed set lever 1 is settled by the rubber 6 plate 5 NOTE The cruise control d...

Страница 149: ...cable 1 The removal lever 8 is moved along grooves 6 As a result the holding force of speed set lever 4 is lost and speed set lever 4 returns to neutrality by force of the spring 3 So that the swashpl...

Страница 150: ...shaft 1 1st Range Rear Counter Shaft 8 15T Gear 7 29T Gear 2 22T Gear 3 Hypoid Pinion Shaft 1 2nd Range Rear Counter Shaft 8 22T Gear 6 22 T Gear 3 Hypoid Pinion Shaft 1 3rd Range Rear Counter Shaft 8...

Страница 151: ...elected by changing the position of 24T Gear 7 with the front wheel drive lever Engage Hypoid Pinion Shaft 1 22T gear 2 22T Gear 3 21T Gear 4 24T Gear 7 Front Wheel Drive Shaft 6 1 Hypoid Pinion Shaft...

Страница 152: ...Input Shaft 1 18T Gear 2 21T Gear 13 14T Gear 11 27T Gear 5 24T Gear 4 PTO Counter Shaft 3 PTO Drive Shaft 6 15T Gear 7 33T Gear 8 Shifter 9 PTO Shaft 10 PTO Speed 800 rpm Input Shaft 1 18T Gear 2 21T...

Страница 153: ...t 11 24T Gear 15 23T Gear 16 17T Gear 17 Mid PTO Shaft 18 PTO Speed 2490 rpm Input Shaft 1 18T Gear 2 21T Gear 14 18T Gear 13 24T Gear 4 PTO Counter Shaft 3 PTO Drive Shaft 6 15T Gear 7 33T Gear 8 15T...

Страница 154: ...to road resistance and braking friction at the wheels The differential gear assembly is composed of the differential case differential pinions differential side gears differential pinion shaft spiral...

Страница 155: ...pinion 3 rotates spiral bevel gear 2 When turning a corner the outer wheel must travel farther than the inner one While differential pinions 6 rotate with the differential case they spin on different...

Страница 156: ...shifter 3 meshes with the gears on the differential case 4 to cause the differential lock differential lock shifter and differential side gear to rotate as a unit Therefore the differential pinions 6...

Страница 157: ...ch Housing 3 S11 2 Step Seat Under Cover and Seat 3 S11 3 Fender Assembly 3 S12 4 Frame 3 S14 5 Linkage and Hydraulic Pipes 3 S15 6 Clutch Housing Case 3 S16 7 Hydrostatic Transmission HST 3 S17 8 Tra...

Страница 158: ...3 S1 ST 30 ST 35 WSM TRANSMISSION 1 TROUBLESHOOTING KiSC issued 11 2006 A...

Страница 159: ...3 S2 ST 30 ST 35 WSM TRANSMISSION KiSC issued 11 2006 A...

Страница 160: ...e Replace 3 S29 Excessive or Unusual Noise at All Time Improper backlash between spiral bevel pinion and bevel gear Improper backlash between differential pinion and differential side gear Bearing wor...

Страница 161: ...38 to 1 0247 in 19 973 to 19 984 mm 0 7863 to 0 7868 in 2 994 to 3 000 mm 0 1179 to 0 1181 in 0 1 mm 0 0039 in PTO Counter Shaft to 27T Gear 27T Gear PTO Counter Shaft Clearance I D O D 0 020 to 0 054...

Страница 162: ...D 0 048 to 0 084 mm 0 00189 to 0 00331 in 18 032 to 18 050 mm 0 70992 to 0 71063 in 17 966 to 17 984 mm 0 70732 to 0 70803 in 0 2 mm 0 008 in Hypoid Pinion Motive Force Motive Torque 10 9 to 16 7 N 1...

Страница 163: ...case mounting screw Top link bracket mounting screw Rear axle case mounting screw Differential bearing holder mounting screw Ring gear mounting UBS screw 196 1 to 225 6 30 to 40 77 5 to 90 2 196 0 to...

Страница 164: ...Hold the neutral adjuster so its groove is at the middle of the marks and tighten the mounting screw 3 NOTE Check the rear wheel stops with range speed 3 at max engine speed When the wheels tend to tu...

Страница 165: ...top of clutch pedal 2 If the measurement is not within the factory specifications loosen the lock nut and adjust the clutch rod 2 length IMPORTANT After adjustment be sure to check that engine does no...

Страница 166: ...Control Lever 1 Measure the force to move the cruise control lever 1 2 from O to N indicated on lever guide 6 at lever grip 2 If the force is not within the factory specifications loosen the lock nut...

Страница 167: ...e transmission oil until to reach 50 C 122 F 2 Remove the plug from the oil filter support 2 3 Connect the long connector Code No 07916 60831 and pressure gauge 50 Code No 07916 52961 4 Measure the pr...

Страница 168: ...2 DISASSEMBLING AND ASSEMBLING 1 Separating Engine from Clutch Housing Engine Separating from Clutch Housing 1 See clutch section page from 2 S4 to 2 S12 W1014134 2 Step Seat Under Cover and Seat Ste...

Страница 169: ...eck them after driving the tractor approximately 200 m 200 yard When reassembling W1014617 Fender Cover and Auxiliary Hydraulic Cover 1 Remove the fender cover 3 and fender front cover 4 at both side...

Страница 170: ...Remove the ground wire cable from under frame LH 3 Disconnect the connector 3 4 Unscrew the fender mounting screws and remove the fender assembly both RH and LH fender When reassembling Be sure to fi...

Страница 171: ...ar mounting screw 77 5 to 90 2 N m 7 9 to 9 2 kgf m 57 1 to 66 5 ft lbs Rubber mount screw and bolt 196 0 to 225 0 N m 20 0 to 23 0 kgf m 144 7 to 166 4 ft lbs Connecting bar mounting screw 48 1 to 55...

Страница 172: ...e lever 13 and brake rod 2 Operate the parking brake lever and lock the both RH and LH rear wheels with second notch of parking brake operate Do not lock the rear wheels at first notch The cruise leas...

Страница 173: ...ing Clutch Housing Case from Hydrostatic Transmission HST 1 Separate clutch housing case 2 and hydrostatic transmission 1 When reassembling Apply liquid gasket Three Bond 1208D or equivalent to joint...

Страница 174: ...mission Case 1 Separate hydrostatic transmission 2 and transmission case 1 When reassembling Apply liquid gasket Three Bod 1208D or equivalent to joint face of the HST and transmission case W1018767 1...

Страница 175: ...washer 3 spring 2 and poppet 1 after removing the internal snap ring 4 When reassembling Apply transmission oil to the poppet 1 before reassembling W1019481 1 Case 2 Trunnion Shaft 3 Variable Displac...

Страница 176: ...valve for forward and for reverse are interchangeable W1019931 Port Block and Charge Relief Valve 1 Separate the port block 1 after removing the mounting screws 2 Remove the spring 2 and poppet L 3 Wh...

Страница 177: ...6 Pump Shaft and Motor Shaft 1 Remove the internal snap ring 5 then detach the oil seal 4 2 Remove the external snap ring 3 and draw out the pump shaft 1 3 Draw out the motor shaft 2 When reassembling...

Страница 178: ...haft 3 PTO shift fork 5 and fork rod 4 as a unit 3 Take out the main shaft 2 When reassembling Be sure to assemble the spring pin 12 as shown in figure Apply transmission oil to the needle bearing 11...

Страница 179: ...Pull out the PTO drive shaft 1 2 Tap out the PTO shaft 8 3 Take out the shifter arm 6 7 When reassembling Apply grease to the oil seal 4 W1022388 Tightening torque Drawbar bracket mounting screw M14...

Страница 180: ...e front drive rod 5 and differential lock rod 4 4 Remove the cruise spring 1 5 Separate the hydraulic cylinder When reassembling Adjust the cruise tension See page 3 S9 Be sure to fix the differential...

Страница 181: ...the hydraulic block so that the block comes horizontally Align the punch marks 6 as shown in figure Apply liquid gasket Three Bond 1208D or equivalent to the joint face of rear axle and differential g...

Страница 182: ...r forward Be sure to fix the groove of 24T gear and front drive shift arm 4 Be sure to fix the shim 7 check the backlash and tooth contact See page 3 S32 Reference Thickness of shim 0 4 mm 0 016 in 0...

Страница 183: ...fork 3 noting the direction Refer to the figure left IMPORTANT Adjust the hypoid pinion motive torque by the tightening torque of lock nut 6 Refer to SERVICING Adjust the backlash and tooth contact of...

Страница 184: ...8 in 1 4 mm 0 055 in 0 8 mm 0 031 in Thickness of collars 1 4 mm 0 055 in 1 7 mm 0 067 in 1 5 mm 0 059 in 1 8 mm 0 071 in 1 6 mm 0 063 in 1 9 mm 0 075 in W1025229 Ring Gear 1 Remove the bearing 1 with...

Страница 185: ...ollars 4 W1025841 Mid PTO Drive Shaft 1 Pull out the mid PTO as an assembly 2 Take out the gears When reassembling Apply molybdenum difulfide Three Bond 1901 or equivalent to the 15T gear 6 W1026252 3...

Страница 186: ...Gear Case Checking Bearings 1 See page 3 S28 W1027117 Clearance between Shift Fork and Shifter Groove 1 See above W1027163 Clearance between 18T input shaft and PTO counter shaft Factory spec 0 016 t...

Страница 187: ...tial side gear shim Reference Thickness of differential side gear shims 0 8 mm 0 031 in 1 2 mm 0 047 in 1 0 mm 0 039 in W1027630 Clearance between hypoid pinion shaft and 29T gear Factory spec 0 020 t...

Страница 188: ...calculate the clearance 3 If the clearance exceeds the allowable limit replace W1027957 Clearance between differential case and differential side gear Factory spec 0 05 to 0 10 mm 0 0020 to 0 0039 in...

Страница 189: ...and change the shims to thin it If the backlash is less than factory specification change the collars and the shims as an opposite 4 Apply red lead lightly over several teeth at three positions equall...

Страница 190: ...aring holder collar 5 to thick it Change the bearing holder shim 1 to thin it Repeat above until the proper tooth contact and backlash are achieved Reference Thickness of the shims 1 6 0 4 mm 0 016 in...

Страница 191: ...e exceeds the allowable limit replace W1029119 Clearance between mid PTO drive shaft and 15T gear Factory spec 0 040 to 0 074 mm 0 0016 to 0 0029 in Allowable limit 0 1 mm 0 0039 in 15T gear I D Facto...

Страница 192: ...4 REAR AXLE KiSC issued 11 2006 A...

Страница 193: ...CONTENTS MECHANISM 1 STRUCTURE 4 M1 2 OPERATION 4 M2 KiSC issued 11 2006 A...

Страница 194: ...floating type with the ball bearing between the rear axle 5 and rear axle case 1 which support the rear wheel load as well as transmitting power to the rear wheel They withstand all the forces caused...

Страница 195: ...tial side gear to the brake shaft 4 drives the three planetary gears 3 Since the internal gear 2 is fixed to the rear axle case the planetary gears 3 move around the teeth of the internal gear 2 while...

Страница 196: ...CONTENTS SERVICING 1 SERVICING SPECIFICATIONS 4 S1 2 TIGHTENING TORQUES 4 S2 3 DISASSEMBLING AND SERVICING 4 S3 1 DISASSEMBLING AND ASSEMBLING 4 S3 2 SERVICING 4 S4 KiSC issued 11 2006 A...

Страница 197: ...to Planetary Gear Backlash 0 1 to 0 2 mm 0 0039 to 0 0079 in 0 5 mm 0 020 in Planetary Gear I D 30 009 to 30 025 mm 1 18146 to 1 18209 in 30 05 mm 1 1831 in Planetary Gear Pin O D 24 967 to 24 980 mm...

Страница 198: ...Tightening torques of screws bolts and nuts on the table below are especially specified For general use screws bolts and nuts See page G 9 W1012736 Item N m kgf m ft lbs Stopper mounting screw 48 1 to...

Страница 199: ...t 3 Remove the bearing 7 with special use puller set Code No 07916 09032 4 Open the internal snap ring 6 of the planetary carrier Take out the planetary gear pins 5 and the internal snap ring 6 at onc...

Страница 200: ...ng O D 1 Measure the planetary gear I D with an inside micrometer 2 Measure the planetary gear pin O D with an outside micrometer 3 Measure the needle bearing O D with an outside micrometer 4 If the m...

Страница 201: ...5 BRAKES KiSC issued 11 2006 A...

Страница 202: ...CONTENTS MECHANISM 1 FEATURES 5 M1 2 OPERATION 5 M2 KiSC issued 11 2006 A...

Страница 203: ...sed in transmission oil Fade is rarely caused even after repeated braking and a stable braking force is obtained 3 Pedal stroke does not change under influence of heat Unlike internal expanding type b...

Страница 204: ...cam plate 3 also moves the direction of arrow At this time since the cam plate 3 rides on the steel balls 7 set in the grooves of the differential bearing case to press the brake disc 5 the brake sha...

Страница 205: ...RVICING 1 TROUBLESHOOTING 5 S1 2 SERVICING SPECIFICATIONS 5 S2 3 CHECKING DISASSEMBLING AND SERVICING 5 S3 1 CHECKING AND ADJUSTING 5 S3 2 DISASSEMBLING AND ASSEMBLING 5 S4 3 SERVICING 5 S4 KiSC issue...

Страница 206: ...ace 5 S3 5 S5 5 S4 Brake Drags Brake pedal play too small Ball holes of cam plate for uneven wear Brake pedal return spring weaken or broken Brake cam rusted Adjust Replace Replace Repair 5 S3 5 S4 Po...

Страница 207: ...all Height 20 995 to 21 005 mm 0 82657 to 0 82697 in 20 5 mm 0 81 in Cam Plate Flatness 0 3 mm 0 012 in Brake Disc Thickness 3 4 to 3 6 mm 0 134 to 0 142 in 3 0 mm 0 118 in Plate Thickness 2 592 to 2...

Страница 208: ...he right and left brake pedals equal W1018154 Checking Parking Brake CAUTION Be sure to stop engine before checking parking brake 1 Slowly raise the parking brake lever 1 to the ratchet sound made by...

Страница 209: ...t of Brake Cam Plate and Ball 1 Measure the dimensions of the brake cam plate with the ball installed 2 If the measurement is less than the allowable limit replace the cam plate and balls 3 Inspect th...

Страница 210: ...rake pedal I D with a cylinder gauge 3 Calculate the clearance 4 If the clearance exceeds the allowable limit replace them W1012216 Brake disc thickness Factory spec 3 4 to 3 6 mm 0 134 to 0 142 in Al...

Страница 211: ...6 FRONT AXLE KiSC issued 11 2006 A...

Страница 212: ...CONTENTS MECHANISM 1 STRUCTURE 6 M1 2 FRONT WHEEL ALIGNMENT 6 M2 KiSC issued 11 2006 A...

Страница 213: ...o install in the front axle case 7 for getting high minimum ground clearance 1 Front Axle 2 Gear Case Cover 3 41T Bevel Gear 4 Gear Case 5 Bevel Gear Case 6 11T Bevel Gear 7 Front Axle Case 8 Front Ax...

Страница 214: ...eel It also reduces steering effort W1013196 Caster The kingpin is tilted forward as viewed from the side That is the intersection a made by the center line of the kingpin shaft and the ground is ahea...

Страница 215: ...IONS 6 S2 3 TIGHTENING TORQUES 6 S4 4 CHECKING DISASSEMBLING AND SERVICING 6 S5 1 CHECKING AND ADJUSTING 6 S5 2 DISASSEMBLING AND ASSEMBLING 6 S6 1 Separating Front Axle Assembly 6 S6 2 Disassembling...

Страница 216: ...f front wheel Tie rod end loose Adjust Adjust Replace Adjust Replace Tighten 6 S5 6 S15 6 S5 6 S8 Front Wheels Can Not be Driven Propeller shaft broken Front wheel drive gears in transmission broken F...

Страница 217: ...arance O D I D 0 025 to 0 140 mm 0 00098 to 0 00551 in 61 945 to 61 975 mm 2 43878 to 2 43996 in 62 000 to 62 094 mm 2 44094 to 2 44465 in 0 25 mm 0 0098 in Differential Case Differential Case Cover t...

Страница 218: ...Spiral Bevel Pinion Shaft Pinion Shaft Only Turning Force 58 8 to 78 4 N 6 0 to 8 0 kgf 13 2 to 17 6 lbs Spiral Bevel Pinion Shaft to Spiral Bevel Gear Backlash 0 1 to 0 3 mm 0 004 to 0 012 in 11T Bev...

Страница 219: ...g cylinder mounting reamer screw Tie rod lock nut Bevel gear case mounting screws Gear case cover mounting screws 7T pinion shaft UBS screw Differential case cover mounting screws 77 5 to 90 2 34 3 to...

Страница 220: ...the snap ring 1 to the dust cover 4 IMPORTANT A right and left tie rod joint is adjusted to the same length W1011595 Front Axle Rocking Force 1 Jack up the front side of tractor 2 Remove the front whe...

Страница 221: ...ND COOLANT See page G 8 W1012110 Propeller Shaft 1 Loosen the clamp 1 and slide the propeller shaft cover 2 2 Tap out the spring pin 3 and then slide the coupling 4 3 Remove the propeller shaft with c...

Страница 222: ...white tape 4 to connect the right side connector of steering cylinder 2 Be sure to assemble the steering hose RH and LH as shown in figure W1012767 Front Axle Assembly 1 Place the disassembling stand...

Страница 223: ...he bi speed sensor as figure W1014907 Bevel Gear Case and Front Gear Case 1 Remove the bevel gear case mounting screws 2 Remove the bevel gear case 1 and front gear case 4 as a unit from the front axl...

Страница 224: ...he cap 8 with new one W1016155 Separating Gear Case 1 Remove the internal snap ring 7 2 Take out the shim 6 11T bevel gear 4 and 16T bevel gear 3 from bevel gear case 5 3 Remove the external snap ring...

Страница 225: ...t 8 until the turning force of the spiral bevel pinion shaft reaches the factory specification See page 6 S13 Replace the lock nut 8 and oil seal 1 with new one Apply grease to the oil seal 1 INstall...

Страница 226: ...al position When reassembling Apply molybdenum disulfide Three Bond 1901 or equivalent to the inner circumferential surface of the differential side gears 4 and differential pinions 6 Install the diff...

Страница 227: ...n to measure the backlash 3 If the measurement exceeds the factory specifications adjust with the differential side gears shims Reference Thickness of differential side gear shims 0 8 mm 0 031 in 1 0...

Страница 228: ...0 1 mm 0 004 in larger size 4 Adjust the backlash properly by repeating the above procedures 5 Apply red lead lightly over several teeth at three positions equally spaced on the bevel gear 6 Turn the...

Страница 229: ...ntil the proper backlash and tooth contact are achieved For adjusting the base contact replace the shim 5 with a thinner one until the proper backlash is achieved Confirm the backlash and tooth contac...

Страница 230: ...arance exceeds the allowable limit replace the bracket bushing 4 If the clearance still exceeds the allowable limit replace the front axle case Press fitting Bushing When press fitting a new bushing o...

Страница 231: ...7 BI SPEED TURN KiSC issued 11 2006 A...

Страница 232: ...2 POWER TRAIN 7 M2 3 HYDRAULIC CIRCUIT 7 M3 4 ELECTRICAL CONTROL 7 M5 1 ELECTRICAL CIRCUIT 7 M5 2 BI SPEED SWITCH 7 M5 3 ENGINE RUNNING SENSOR 7 M6 4 FRONT WHEEL TURNING SENSOR 7 M6 5 TRAVELLING SPEE...

Страница 233: ...ed solenoid valve 3 The solenoid valve operate the hydraulic clutch pack 4 The terms of bi speed turn as below Engine running 4WD mode Turned on the bi speed switch Right or left tire turn to 0 61 rad...

Страница 234: ...r Shaft 2 In this case 18T gear shaft 2 and front drive shaft 4 are same revolution Bi speed Turn W1013080 When the bi speed solenoid valve is actuated the piston 6 moved by hydraulic pressure Then pi...

Страница 235: ...Tank 1 When Bi speed Solenoid is not actuating The port of hydraulic clutch 3 is closing when the bi speed solenoid valve 2 is not actuated The oil from P port 1 are drain to transmission case throug...

Страница 236: ...es off ON OFF When cut off the current to the bi speed solenoid valve 2 the port of hydraulic clutch is closed by unload valve 4 The oil in the hydraulic clutch push back by return spring of hydraulic...

Страница 237: ...f the electrical sensor Bi speed solenoid valve front wheel turning angle sensor or travelling speed sensor has failed the bi speed indicating lamp that located on the instrument panel will flash to m...

Страница 238: ...ELLING SPEED SENSOR The travelling speed is detected by the travelling speed sensor 1 installed in the differential case This sensor generate the varies alternating voltage following the metal distanc...

Страница 239: ...VICING 7 S5 1 CHECKING AND ADJUSTING 7 S5 1 Bi speed Solenoid Valve 7 S5 2 Fail Safe System 7 S6 2 DISASSEMBLING AND ASSEMBLING 7 S8 1 Bi speed Solenoid Valve 7 S8 2 Bi speed Clutch Pack 7 S9 3 SERVIC...

Страница 240: ...it Replace Replace Check Replace Replace or repair Replace Replace or repair Replace Replace Replace Replace 7 S14 7 S13 10 S5 7 S13 7 S11 7 S11 7 S10 7 S11 7 S9 7 S9 7 S14 Bi speed Turn Does Not Retu...

Страница 241: ...05 mm 0 0768 to 0 0807 in 1 8 mm 0 071 in Piston Return Spring Free Length Setting Load Setting Length 44 0 mm 1 73 in 638 7 N 26 mm 65 13 kgf 26 mm 143 6 lbs 1 02 in 539 4 N 26 mm 55 0 kgf 26 mm 121...

Страница 242: ...inal C Resistance Changing of Resistance 4 32 to 6 48 k Changing with smoothly Controller Unit Connector Voltage Terminal 4 and Terminal 8 Output Voltage Terminal R W and Chassis at Front Wheel Turnin...

Страница 243: ...ly specified For general use screws bolts and nuts See page G 9 W1012736 Item N m kgf m ft lbs Bi speed valve delivery pipe retaining nut Bi speed solenoid valve mounting screw Clutch piston mounting...

Страница 244: ...low Range shift lever 1 Turn on the bi speed switch Turn the front wheel right or left to 0 61 rad 35 and more Cruise control lever 1 Rotate the rear wheels 6 Measure the bi speed solenoid valve relie...

Страница 245: ...e does not start Now make sure the bi speed lamp lights up and goes out 0 75 second later 2 Release the bi speed switch This calls for the fine adjustment and self diagnosis mode Procedure 3 Checking...

Страница 246: ...ravelling speed sensor output and the controller s bi speed restraint function Procedure 1 Changing to the bi speed restraint check mode 1 Hold down the bi speed switch and turn on the main switch The...

Страница 247: ...ng nut from solenoid valve 1 2 Remove the pipe clamp 3 3 Remove the bi speed solenoid valve assembly When reassembling Apply liquid gasket Three Bond 1208D or equivalent to the bi speed solenoid valve...

Страница 248: ...using W1021031 Bi speed Turn Hydraulic Clutch 1 Take out the seal ring 6 from the counter shaft B 7 2 Remove the bearing 1 with a puller then take out the 27T gear 2 3 Remove the external snap ring 3...

Страница 249: ...ake sure the bi speed turn hydraulic clutch is in position Now feed compressed air about 5 kgf cm2 through the bi speed turn port of the counter shaft B 15 to see if the piston 9 moves smoothly Instal...

Страница 250: ...ess than the allowable limit replace W1024487 Piston Return Spring Free Length and Tension 1 Measure the free length of the piston return spring with vernier calipers 2 Place the piston return spring...

Страница 251: ...the allowable limit replace W1025700 Clearance between counter shaft B and 27T gear Factory spec 0 040 to 0 082 mm 0 00157 to 0 00323 in Allowable limit 0 1 mm 0 004 in Counter shaft B O D Factory sp...

Страница 252: ...nalog type tester may not check for voltage There is no need to Fine adjustment about travelling speed sensor if replaced Be sure to check the alternate voltage range W1013027 Bi speed Solenoid Valve...

Страница 253: ...essary a special checking instrument to inspect it Check the connector voltage and output voltage If there functions are in good condition the controller unit may damaged 1 Connector Voltage 1 Disconn...

Страница 254: ...ever 1 Engine speed around 1000 rpm 4 Measure the voltage across the following terminals and chassis If the voltage differs from the factory specifications check the wire harness CAUTION Be sure to di...

Страница 255: ...8 STEERING KiSC issued 11 2006 A...

Страница 256: ...LIC CIRCUIT FOR POWER STEERING SYSTEM 8 M2 3 HYDRAULIC PUMP 8 M3 4 STEERING CONTROLLER 8 M4 1 CONTROL VALVE 8 M4 2 METERING DEVICE GEROTOR 8 M4 3 RELIEF VALVE WITH CHECK VALVE 8 M5 5 OIL FLOW 8 M6 6 S...

Страница 257: ...nder with the hydraulic pipes only This steering is actuated by oil pressure Accordingly it does not have mechanical transmitting parts such as steering gear drag link etc Therefore it is simple in co...

Страница 258: ...tional movement of the front wheels 3 Return oil from steering cylinder 8 passes through control valve 6 and back into power steering hydraulic pump 3 4 When the engine is not operating and the steeri...

Страница 259: ...discharges W1013163 The pressure loading system automatically decreases the clearance between the gear and the bushings A small amount of pressurized oil is fed behind the bushings pressing them again...

Страница 260: ...otates with the valve plate and sends the oil to the cylinder corresponding to the rotation of the steering wheel W1013464 2 METERING DEVICE GEROTOR All oil directed from the hydraulic pump to the ste...

Страница 261: ...hydraulic pump the relief valve will act as a check valve and help draw oil from the return oil line to the drain hose thus making it possible to steer the machine manually Reference Relief valve sett...

Страница 262: ...e 3 then rotates to the right on manifolds located on the opposite faces of the valve plate 3 Thus the P port passage in the control valve is connected with gerotor 5 The stator of gerotor 5 turns by...

Страница 263: ...ell except that oil flows into and out of steering cylinder in the directions opposite to those at a right turn W1014041 1 Steering Controller 2 Steering Wheel 3 Valve Plate 4 Centering Spring 5 Gerot...

Страница 264: ...force in both directions Depending upon direction the steering wheel is turned pressure oil enters at one end of the cylinder to extend or the other end to retract it thereby turning front wheel of t...

Страница 265: ...SERVICING 8 S4 1 CHECKING AND ADJUSTING 8 S4 1 Hydraulic Pump Power Steering 8 S4 2 Power Steering 8 S5 2 DISASSEMBLING AND ASSEMBLING 8 S6 1 Hydraulic Pump 8 S6 2 Power Steering Controller 8 S7 3 Po...

Страница 266: ...nctioning Relief valve malfunctioning Replace Change Retighten Inflate Replace Replace 8 S6 G 8 G 39 8 S7 8 S8 Steering Force Fluctuates Air sucked in pump due to leaking or missing of oil Air sucked...

Страница 267: ...o 14 980 mm 0 5894 to 0 5898 in 15 010 to 15 061 mm 0 5909 to 0 5930 in 0 12 mm 0 0047 in Side Plate Thickness 2 48 to 2 50 mm 0 0976 to 0 0984 in 2 40 mm 0 0945 in Relief Valve Condition Engine Speed...

Страница 268: ...se retaining nut Steering hose LH and RH retaining nut Steering hose joint RH and LH Draining hose joint Tie rod end nut Rod joint screw Cylinder mounting reamer screw 49 0 to 58 8 34 3 to 49 0 50 to...

Страница 269: ...ect the hydraulic test hose 6 Code No 07916 52651 to the adaptor 52 and flowmeter Code No 07916 52791 inlet port 4 Connect the another hydraulic test hose 5 to flowmeter outlet port and insert to the...

Страница 270: ...ulic components be sure to bleed air Bleeding Start the engine then turn the steering wheel slowly in both directions all the way alternately several times and stop the engine Steering Wheel Operating...

Страница 271: ...c delivery pipe 4 3 Remove the hydraulic pump assembly 5 When reassembling Apply grease to the O ring of hydraulic pump assembly W1013395 Cover Side Plate and Gear 1 Secure the hydraulic pump with a v...

Страница 272: ...he steering support 1 with steering shaft 2 and steering joint 3 W1014119 Power Steering Controller 1 Remove the power steering controller mounting nuts and take out the power steering controller 1 W1...

Страница 273: ...ling Apply seal tape on to the thread of power steering cylinder side Wrap the seal tape 1 5 to 2 0 full turns Tighten the tie rod end nut with specified torque then tighten more so that align the hol...

Страница 274: ...ight Three Bod 1324 or equivalent to the rod joint Be sure to check the toe in after assembling See page 6 S5 W1014768 3 SERVICING 1 Hydraulic Pump Power Steering Clearance between Tip of Gear Tooth a...

Страница 275: ...an outside micrometer 2 Measure the cylinder cover bushing I D with a cylinder gauge and calculate the clearance 3 If the clearance exceeds the allowable limit replace the cylinder cover bushing W1015...

Страница 276: ...nder tube I D with a cylinder gauge 2 If the measurement exceeds the allowable limit replace the cylinder tube W1015937 Cylinder tube I D Factory spec 40 000 to 40 039 mm 1 5748 to 1 5763 in Allowable...

Страница 277: ...9 HYDRAULIC SYSTEM KiSC issued 11 2006 A...

Страница 278: ...L VALVE 9 M4 1 STRUCTURE 9 M4 2 OIL FLOW 9 M4 5 POSITION CONTROL LINKAGE 9 M6 6 FLOW PRIORITY VALVE 9 M9 1 FUNCTION AND STRUCTURE 9 M9 2 OIL FLOW 9 M9 7 RELIEF VALVE 9 M11 8 LOWERING SPEED ADJUSTING V...

Страница 279: ...3 After that the oil flows to position control valve 11 4 The position control valve 11 switches the oil flow and oil is channeled to the hydraulic cylinder 9 for the 3 point hydraulic system or retur...

Страница 280: ...ive gear which drives the driven gear When the drive gear is driven in the direction of the arrow by the fuel camshaft the gear traps oil between the gear teeth and the casing The higher the engine sp...

Страница 281: ...o operate the hydraulic cylinders on the implement such as front end loader front blade and so on W1013192 1 Block Cover 2 Block Outlet Cover Option 3 Hydraulic Block 4 From Hydraulic Pump 5 To Positi...

Страница 282: ...out because the circuit is cut off by the actions of poppet 1 1 poppet 2 2 The allows the implement to be kept at a steady height W1013589 Lifting When the control lever is moved to UP spool 3 is pul...

Страница 283: ...3 moves to arrow mark direction and pushes the poppet 2 2 If forms a circuit with the C port and T2 port The oil in the hydraulic cylinder is forced out by the weight of the implement and returns to...

Страница 284: ...e tractor in proportion to the movement of the control lever The implement can be positioned at any height by moving the position control lever Fine position adjustment is also easy 1 Position Control...

Страница 285: ...ing the LIFT circuit 2 When the lift arm moves upward the feedback lever shaft 4 is rotated to the arrow since the feedback rod 5 is actuated Therefore the spool drive lever 1 moves around the fulcrum...

Страница 286: ...ing the Lowering circuit 2 When the lift arm moves downward the feedback lever shaft 5 is rotated to the arrow since the feedback rod 6 is actuated Therefore the spool drive lever 1 moves around the f...

Страница 287: ...s into the valve through P port 9 2 A pressure difference is created between the ends of the orifice 1 as the flow passes the orifice 1 This causes the plunger 6 to move to the right deflecting the sp...

Страница 288: ...trol is actuated and the Bi speed turn is not the pressure difference between the end of the orifice 1 becomes large and causes the plunger to move the right 2 Therefore the opening area of portion A...

Страница 289: ...is connected to this chamber through the clearance between the guide surface and the seat so that the chamber provides a damping effect controlling valve vibration When the pressure in the circuit ri...

Страница 290: ...owering speed and counterclockwise increases lowering speed When the lowering speed adjusting valve 2 is completely closed the 3 point linkage is held at its position since oil in the hydraulic cylind...

Страница 291: ...s discharged to the transmission case through the control valve 14 by the weight of the implement At this time the lowering speed of the implement can be controlled by the lowering speed adjusting sha...

Страница 292: ...l valve with parallel connection through the P port 7 The single double acting valve 1 is changeable for single or double acting with selector valve 2 Reference Max flow 23 0 L min 6 1 U S gal min 5 1...

Страница 293: ...s moved the PB port 11 is closed The pressured oil open the check valve 2 and into the valve through the P2 port 8 Pressured oil flow shows as follow P2 Port 8 A2 Port 7 A2 Outlet 4 The B2 port 9 and...

Страница 294: ...ransmission case through A2 outlet 4 A2 port 7 and T1 port 6 W1018283 Single Double Acting Valve A1 and B1 Outlet 1 Double Action Between B1 port 7 and T port 2 passage is closed by rotary valve 3 of...

Страница 295: ...moved the PB port 13 is closed The pressured oil open the check valve 1 and into the valve through the P1 port 10 The pressured oil flow shows as follow P1 Port 10 B1 Port 11 Rotary Valve 4 T Port 3 T...

Страница 296: ...lve 5 The pilot valve 5 also push the poppet 2 to open the B3 outlet 3 The oil from the B3 outlet 3 flow to PX port 4 and return to transmission case through the B3 port 15 and T2 port 16 The oil from...

Страница 297: ...ECKING AND ADJUSTING 9 S5 1 Hydraulic Pump 9 S5 2 Position Control Valve 9 S7 2 DISASSEMBLING AND ASSEMBLING 9 S9 1 Hydraulic Pump 9 S9 2 Position Control Valve 9 S10 3 Hydraulic Cylinder Cover 9 S11...

Страница 298: ...S11 9 S11 G 8 G 13 9 S8 9 S6 Implement Does Not Reach Maximum Height Position control rod improperly adjusted Top link length improperly adjusted Position control valve improperly adjusted Hydraulic...

Страница 299: ...min 4 38 Imp gal min Gear to Casing Clearance 0 15 mm 0 0059 in Bushing to Gear Shaft Gear Shaft Bushing Clearance O D I D 0 030 to 0 091 mm 0 0012 to 0 0036 in 14 970 to 14 980 mm 0 5894 to 0 5898 i...

Страница 300: ...0 mm 2 9606 in Hydraulic Arm Shaft to Bushing Hydraulic Arm Shaft Bushing Clearance O D Right O D Left I D Right I D Left 0 020 to 0 125 mm 0 00079 to 0 00492 in 37 925 to 37 950 mm 1 49311 to 1 49409...

Страница 301: ...age G 9 W1012736 Item N m kgf m ft lbs Power steering delivery hose joint screw Position control valve mounting screw Hydraulic cylinder cover mounting screw M10 M8 Relief valve plug 49 0 to 58 8 19 6...

Страница 302: ...nnect the hydraulic test hose 7 Code No 07916 52651 to the adaptor 53 and flowmeter Code No 07916 52791 inlet port 4 Connect the another hydraulic test hose 6 to flowmeter outlet port and insert to th...

Страница 303: ...ease pressure approx 16 67 MPa 170 kgf cm2 2417 9 psi 5 Read and note the pump flow at rated pressure 6 Open the loading valve and stop the engine Reference Condition Engine speed Approx 2800 rpm Rate...

Страница 304: ...justing nut 3 counterclockwise by 2 turn 7 Tighten the lock nut 2 and set the engine speed to maximum 8 Move the position control lever to the lowest position and maximum raising position 3 to 5 times...

Страница 305: ...he factory specification remove the plug 1 and adjust with adjusting shims 2 9 After the relief valve setting pressure test adjust the position control rod See page 9 S7 Condition Engine speed Maximum...

Страница 306: ...and 3P hydraulic delivery pipe 4 3 Remove the hydraulic pump assembly 5 When reassembling Apply grease to the O ring of hydraulic pump assembly W1013560 Cover Side Plate and Gear 1 Secure the hydrauli...

Страница 307: ...spring 3 and poppet 1 4 When reassembling Apply transmission fluid to the O ring and take care not to damage it W1014194 Unload Poppet 1 and Unload Poppet 2 IMPORTANT Never loosen the lock nut 1 1 Re...

Страница 308: ...ive damage to them W1014786 Relief Valve 1 Remove the plug 7 2 Take out the washer 6 shims 5 spring 4 poppet 3 and valve seat 2 When reassembling Apply transmission fluid to the O ring and take care n...

Страница 309: ...lic arm and hydraulic rod Align the alignment marks of the hydraulic arm 8 and hydraulic arm shaft 6 Align the alignment marks of the lift arm 4 and hydraulic arm shaft 6 Apply molybdenum disulfide Th...

Страница 310: ...out the spool 14 as a unit 2 Remove the plug 8 and draw out the spring 7 and check valve 6 W1016345 Unload Valve 1 Remove the plug 1 and draw out the spring 2 poppet 3 poppet seat 4 and pilot valve 5...

Страница 311: ...limit replace it W1016755 2 Hydraulic Cylinder Hydraulic Cylinder Bore 1 Check the cylinder internal surface for scoring or damage 2 Measure the cylinder I D with a cylinder gauge 3 If the measurement...

Страница 312: ...hydraulic arm shaft bushing replacing tool See page G 38 W1017108 Clearance between hydraulic arm shaft and bushing Factory spec 0 020 to 0 125 mm 0 00079 to 0 00492 in Allowable limit 0 30 mm 0 0118...

Страница 313: ...10 ELECTRICAL SYSTEM KiSC issued 11 2006 A...

Страница 314: ...7 3 CHARGING SYSTEM 10 M8 1 ALTERNATOR 10 M8 2 IC REGULATOR 10 M9 4 LIGHTING SYSTEM 10 M10 1 HEAD LIGHT 10 M11 2 TURN SIGNAL LIGHT 10 M11 3 HAZARD LIGHT 10 M12 4 PARKING POSITION LIGHT 10 M13 5 BRAKE...

Страница 315: ...W B White Black L Blue G W Green White W G White Green Or Orange Gr B Gray Black W L White Blue P Pink Gr R Gray Red W R White Red Pu Purple L W Blue White W Y White Yellow R Red Or W Orange White Y B...

Страница 316: ...10 M2 ST 30 ST 35 WSM ELECTRICAL SYSTEM KiSC issued 11 2006 A...

Страница 317: ...10 M3 ST 30 ST 35 WSM ELECTRICAL SYSTEM KiSC issued 11 2006 A...

Страница 318: ...ches on the terminal 30 is connected to the terminals 50 and AC Consequently battery current flows to the starter motor and start the engine The main switch automatically returns to the ON position th...

Страница 319: ...tarter motor is a reduction type The speed of the pinion gear is reduced to approximately one third of motor one 1 Armature 2 Yoke 3 Brush Holder 4 End Frame 5 Gear 6 Drive End Frame 7 Pinion 8 Roller...

Страница 320: ...he rise in the temperature of the resistor the flowing current is reduces to prevent the heater 4 from being heated The ignition point is in the area of 2 to 3 mm 0 079 to 0 118 in from the tip of the...

Страница 321: ...ger 5 move to right side so that the movement of control rack 1 becomes free When the battery current stops the plunger 5 is returned to the original position by the spring to keep the control rack 1...

Страница 322: ...smaller than a standard alternator Cooling performance and safety have been improved by combining the cooling fan with the rotor and incorporating the fan rotor unit inside the alternator IC regulator...

Страница 323: ...he control voltage is reduced as the temperature rises so the battery is charged at just the right level The internal circuitry of the IC regulator is shown in the diagram It consists of a hybrid IC i...

Страница 324: ...Light 9 Connector Trailer 10 Connector Cabin 11 Fuse 12 Illumination Lamp 13 Hazard Turn Signal Indicator Lamp R 14 Battery Charge Lamp 15 Pre heat Indicator Lamp 16 Engine Oil Pressure Lamp 17 Bi sp...

Страница 325: ...ositions OFF LOW BEAM and HIGH BEAM Current passes through the light circuit as shown in the figure above 2 TURN SIGNAL LIGHT The turn signal light switch which forms a combination switch with the hea...

Страница 326: ...itch Turn Signal Light Switch Horn Switch W1014069 3 HAZARD LIGHT The hazard switch has two position ON and OFF When the hazard switch is turned to ON the hazard lights and indicator lamps are blinked...

Страница 327: ...passes through the light circuit as shown in the figure above Parking Position Switch This is a pushing type switch to turn on the position lamps The lamp 2 in the switch is lighted up when the switch...

Страница 328: ...g system is not functioning properly this lamp illuminates 2 Pre heat Indicator Lamp When the key switch is in the Pre heat position the pre heat indicator lamp illuminates approximately 5 seconds and...

Страница 329: ...implement The function of each terminal is shown below W1016172 Terminal Function Color of wire harness 1 Turn signal LH Green White 2 3 Ground Black 4 Turn signal RH Red White 5 Tail RH Yellow Red 6...

Страница 330: ...ers indicate each amperage flowing through the fuel level sensor for the fuel quantity detection and through the coolant temperature sensor for the coolant temperature detection 1 Fuse 2 Coolant Tempe...

Страница 331: ...ERATURE Coolant Temperature Sensor The coolant temperature sensor is installed to the cylinder head of engine and its tip is in touch with the coolant It contains a thermistor 4 whose electrical resis...

Страница 332: ...NG 10 S5 1 BATTERY 10 S5 1 Checking 10 S5 2 STARTING SYSTEM 10 S7 1 Checking 10 S7 2 Disassembling and Assembling 10 S11 3 Servicing 10 S12 3 CHARGING SYSTEM 10 S15 1 Checking 10 S15 2 Disassembling a...

Страница 333: ...g Replace Repair or Replace Replace Repair or Replace Adjust tension 10 S15 10 S15 G 19 Starter Motor Does Not Operate Battery discharged or defective Slow blow fuse blown Safety switch improperly adj...

Страница 334: ...between combination switch 2 terminal and head light Replace Replace Repair or Replace G 29 G 29 License Plate Light Does Not Light Fuse blown 15 A Bulb blown Wiring harness disconnected or improperl...

Страница 335: ...oid Pulling Coil Holding Coil Resistance Resistance Approx 0 375 Approx 15 6 Fuel Level Sensor Float at Upper most Position Float at Lower most Position Resistance Resistance 1 0 to 5 0 103 to 117 Coo...

Страница 336: ...UES Tightening torques of screws bolts and nuts on the table below are especially specified For general use screws bolts and nuts See page G 9 W1012736 Item N m kgf m ft lbs Alternator Pulley nut 58 3...

Страница 337: ...vice is disregarded damage to alternator and regulator may result 1 BATTERY 1 Checking Battery Voltage 1 Stop the engine and turn the main switch off 2 Connect the COM lead of the voltmeter to the bat...

Страница 338: ...ld the hydrometer at eye level The hydrometer reading must be taken at the highest electrolyte level Reference Specific gravity slightly varies with temperature To be exact the specific gravity decrea...

Страница 339: ...ith an ohmmeter across the 30 terminal and the 19 terminal and measure the resistance across the 30 terminal and the AC terminal 3 If 0 ohm is not indicated these contacts of the main switch are fault...

Страница 340: ...rter housing 2 Prepare a 6 V battery for the test 3 Connect jumper leads from the battery negative terminal to the housing and the starter C terminal 4 The plunger should be attached and the pinion ge...

Страница 341: ...iffers from the battery voltage the wiring harness or main switch is faulty W1014913 Glow Plug Continuity 1 Disconnect the lead from the glow plugs 2 Measure the resistance with an ohmmeter between th...

Страница 342: ...etween the terminal 1 Black White terminal 2 White Black and Body 4 If the voltage differs from the battery voltage the wiring harness or main switch is faulty W1015556 Resistance Across switch termin...

Страница 343: ...e bulb lights up when connecting a jumper lead to battery and go off about 5 seconds late the glow lamp relay is proper W1016173 2 Disassembling and Assembling Disassembling Motor 1 Disconnect the con...

Страница 344: ...er 1 2 Take out the plunger 2 W1016883 3 Servicing Overrunning Clutch 1 Inspect the pinion for wear or damage 2 If there is any defect replace the overrunning clutch assembly 3 Check that the pinion t...

Страница 345: ...of the brush is dirty or dusty clean it with emery paper 2 Measure the brush length A with vernier calipers 3 If the length is less than the allowable limit replace the yoke assembly and brush holder...

Страница 346: ...oss the segments of the commutator with an ohmmeter 4 If it does not conduct replace the armature W1017767 Field Coil 1 Check the continuity across the lead 1 and brush 2 with an ohmmeter 2 If it does...

Страница 347: ...negative cable from the battery 5 Measure the voltage between the B terminal 2 and the chassis 6 If the measurement is less than the factory specification disassemble the alternator and check the IC...

Страница 348: ...the B terminal nut and remove the rear end cover W1018982 Brush Holder 1 Unscrew the two screws holding the brush holder and remove the brush holder 1 W1019054 IC Regulator 1 Unscrew the three screws...

Страница 349: ...fan etc W1019438 Retainer Plate 1 Unscrew the four screws holding the retainer plate and remove the retainer plate 1 W1019542 Bearing on Drive End Side 1 Press out the bearing from drive end frame 3 w...

Страница 350: ...e continuity across the slip ring and core with an ohmmeter 4 If infinity is not indicated replace it W1020094 Slip Ring 1 Check the slip ring for score 2 If scored correct with an emery paper or on a...

Страница 351: ...tal multimeter Because it s very hard to check the continuity of rectifier by using it W1020452 IC Regulator 1 Check the continuity across the B terminal and the F terminal of IC regulator with an ana...

Страница 352: ...tch is ON position 5 If the voltage differs from the battery voltage check the wiring harness and main switch W1020896 B Lighting Switch Head Light Switch Continuity when Setting Switch at OFF Positio...

Страница 353: ...OFF Position 1 Set the hazard switch to the OFF position 2 Measure the resistance with an ohmmeter across the B2 terminal to the R terminal and the B2 terminal to the L terminal 3 If infinity ohm is n...

Страница 354: ...Switch Continuity 1 Remove the under panel 2 Disconnect the connector and remove the hazard switch 3 Measure the resistance with ohmmeter across the A terminal and C terminal and across the D terminal...

Страница 355: ...harness is faulty W1023354 Parking Position Switch Connector Voltage 1 Remove the meter panel and disconnect the connector from parking switch 2 Measure the voltage with a voltmeter across the YW ter...

Страница 356: ...h is faulty or need to adjust the brake switch position W1024163 Brake Switch Distance 1 Set the distance A to 4 mm 0 16 in when brake pedal is released 2 Check the brake lights by operating brake ped...

Страница 357: ...104 Trailer Socket 1 Turning Signal Terminals 1 Turn the main switch ON and measure the voltage with voltmeter across the 1 terminal 1 and 3 terminal 2 and across the 4 terminal 3 and 3 terminal 2 2 I...

Страница 358: ...ge with voltmeter across the 6 terminal 1 and 3 terminal 2 2 If the voltage differs from battery voltage the wiring harness or switch for brake lights are faulty W1026040 Voltage Head switch at ON or...

Страница 359: ...de No 9Y011 12632 2000 09 S EI EI e KUBOTA Corporation EDITOR KUBOTA FARM INDUSTRIAL MACHINERY SERVICE LTD 64 ISHIZU KITAMACHI SAKAI KU SAKAI CITY OSAKA 590 0823 JAPAN PHONE 81 72 241 1129 FAX 81 72 2...

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