Kubota MX5000 - Top Clearance; Cylinder Head Cover; Cylinder Head and Valves

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Safety Introduction3
Before Servicing and Repairing3
Safety Working4
Specifications9
Travelling Speeds10
Dimensions11
General12
Contents13
Tractor Identification14
General Precautions15
Handling Precautions for Electrical Parts and Wiring16
Battery18
Fuse18
Connector18
Handling of Circuit Tester19
Lubricants, Fuel and Coolant20
Tightening Torques21
General Use Screws, Bolts and Nuts21
Maintenance22
Check and Maintenance23
Daily Check23
Check Points of Initial 50 Hours24
Changing Engine Oil24
Replacing Engine Oil Filter Cartridge24
Changing Transmission Fluid25
Replacing Hydraulic Oil Filter Cartridge26
Changing Front Axle Case Oil [4WD Type]26
Check Points of Every 50 Hours27
Greasing27
Checking Engine Start System28
Checking Wheel Mounting Screws and Nuts Tightening Torque28
Check Points of Every 100 Hours29
Checking Battery Condition29
Cleaning Air Cleaner Element30
Cleaning Fuel Filter Element and Filter Bowl30
Adjusting Fan Belt Tension31
Adjusting Clutch Pedal Free Travel31
Adjusting Brake Pedal Free Travel31
Checking Fuel Line32
Check Points of Every 200 Hours33
Checking Radiator Hose and Hose Clamp33
Checking Power Steering Oil Line33
Toe-In34
Checking Intake Air Line34
Check Points of Every 400 Hours35
Replacing Fuel Filter Element35
Check Points of Every 600 Hours35
Adjust Front Axle Pivot35
Check Points of Every 800 Hours36
Checking Valve Clearance36
Check Points of Every 1500 Hours37
Check Points of Every 3000 Hours37
Check Points of Every 1 Year37
Check Points of Every 2 Years37
Flushing Cooling System and Changing Coolant38
Anti-Freeze39
Bleeding Fuel System40
Draining Clutch Housing Water40
Replacing Fuse40
Replacing Light Bulb41
Special Tools42
Special Tools for Engine42
Valve Guide Replacing Tool45
Injection Pump Pressure Tester45
Bushing Replacing Tools46
Flywheel Stopper46
Crankshaft Bearing 1 Replacing Tool47
Balancer Metal Replacing Tool (for Removing)48
Balancer Metal Replacing Tool (for Fitting)49
Special Tools for Tractor50
Pinion Shaft Remover52
Hydraulic Arm Shaft Bushing Press-Filling Tool53
Draft Control Test Bar53
Tires54
Types of Tire54
Treads Adjustment55
Front Wheels55
Rear Wheels56
Wheel Hub57
Tire Pressure58
Tire Liquid Injection59
Preparation of Calcium Chloride Solution59
Attaching Injector59
Injection60
Draining Water or Solution61
Implement Limitations62
Engine64
Servicing66
Troubleshooting67
Servicing Specifications70
Checking, Disassembling and Servicing77
Separating Engine from Tractor77
Draining Engine Oil77
Bonnet, Front Lower Cover78
Draining Coolant78
Wiring, Pipes and Hoses79
Steering Wheel, Meter Panel and Rear Bonnet80
Steering Hoses80
Propeller Shaft (4WD Only)81
Separating Engine and Clutch Housing81
Muffler and Hoses82
Fuel Tank and Tank Support82
Separating Engine from Front Axle Frame82
Outer Parts of Engine83
Clutch Assembly83
Engine Body84
Checking and Adjusting84
Compression Pressure84
Valve Clearance85
Top Clearance86
Cylinder Head Cover86
Cylinder Head and Valves86
Injection Pipes87
Nozzle Holder Assembly and Glow Plug87
Nozzle Heat Seal Service Removal Procedure87
Rocker Arm and Push Rod88
Cylinder Head88
Tappets88
Valves89
Timing Gears, Camshaft Anf Fuel Camshaft89
Injection Pump89
Speed Control Plate90
Fan Drive Pulley90
Gear Case90
Crankshaft Oil Slinger90
Idle Gear91
Fuel Camshaft and Fork Level Assembly91
Camshaft and Balancer Shaft91
Crank Gear92
Oil Pump92
Piston and Connecting Rod92
Connecting Rod Cap92
Pistonts93
Piston Ring and Connecting Rod94
Crankshaft95
Flywheel95
Bearing Case Cover95
Main Bearing Case Assembly96
Cylinder Heat Surface Flatness96
Cylinder Head Flaw97
Valve Recessing97
Clearance between Valve Stem and Valve Guide97
Replacing Valve Guide98
Valve Seating98
Correcting Valve and Valve Seat99
Valve Lapping99
Free Length and Tilt of Valve Spring100
Valve Spring Setting Load100
Oil Clearance between Rocker Arm and Rocker Arm Shaft100
Push Rod Alignment100
Oil Clearance between Tappet and Tappet Guide Bore101
Timing Gear, Camshaft and Fuel Camshaft101
Timing Grear Backlash101
Idle Gear Side Clearance102
Camshaft Side Clearance102
Oil Clearance of Balancer Shaft Journal103
Oil Clearance between Idle Gear Shaft and Idle Gear Bushing103
Replacing Idle Gear Bushing104
Camshaft Alignment104
Cam Height104
Oil Clearance of Camshaft Journal105
Oil Clearance between Piston Pin and Small End Bushing105
Replacing Connecting Rod Small End Bushing106
Piston Ring Gap106
Clearance between Piston Ring and Groove106
Connecting Rod Alignment107
Side Clearance of Crankshaft107
Crankshaft Alignment108
Oil Clearance between Crankpin and Crankpin Bearing108
Oil Clearance between Crankshaft Journal and Crankshaft Bearing 1109
Replacing Crankshaft Bearing 1109
Oil Clearance between Crankshaft Journal and Crankshaft Bearing 2110
Crankshaft Sleeve Wear110
Replacing Crankshaft Sleeve111
Cylinder Wear111
Correcting Cylinder (Oversize +0.25Mm)112
Lubricating System113
Engine Oil Pressure113
Rotor Lobe Clearance113
Clearance between Rotor and Cover114
Cooling System114
Fan Belt Tension114
Fan Belt Damage and Wear114
Thermostat Valve Opening Temperature115
Radiator Cap Air Leakage115
Fuel System116
Injection Timing116
Fuel Tightness of Pump Element117
Fuel Tightness of Delivery Valve117
Nozzle Injection Pressure118
Nozzle Spraying Condition118
Valve Seat Tightness118
Disassembling and Assembling119
Nozzle Holder119
Clutch120
Mechanism121
Travelling Clutch122
Linkage Mechanism122
PTO Clutch123
Shift Linkage123
Structure123
[3] Oil Flow124
Checking Clutch Pedal Free Travel129
Separating Clutch Housing and Engine129
Release Holder and Clutch Lever133
Backlash between Clutch Disc Boss and Gear Shaft134
Thrust Ball Bearing134
Clutch Disc Wear134
Checking Pressure Plate Assembly and Flywheel134
Pressure Plate Flatness135
Hydraulic PTO Clutch136
Relief Valve Setting Pressure136
Draining the Transmission Fluid137
Battery Negative Table137
Hydraulic Pipes137
Wirings138
Hydraulic Block and Pipes138
Separating Clutch Housing and MID Case139
PTO Clutch Valve, PTO Clutch and Holder139
Clutch Fub and Clutch Discs140
Modulating Valve140
Clutch Case141
Brake Plate141
PTO Steel Plate Wear142
Flatness of PTO Piston and PTO Steel Plate142
Piston Return Spring Free Length142
Thickness of Seal Ring143
Hose and Pipes144
PTO Clutch Valve144
Clutch Valve Assembly144
Clutch Valve Spool145
Transmission146
Clutch Housing Case and MID Case154
Steering Wheel, Meter Panel and Rear B Onnet156
Pedal Frame and Step158
Suction Pipe and Hydraulic Block158
Shaft Case159
Clutch Lever, Release Fork and Release Bearing159
24T Gear Shaft and 27T Gear160
Front Axle Drive Shaft (4WD Only)160
Front Axle Drive Shaft Tool160
Clutch Housing Bearing Holder161
Shaft Assemblies161
MID Case, 19T Grear Shaft and 21T Grear Shaft161
Checking Bearing162
Clearance between Gear and Spline162
Clearance between Shift Fork and Shift Gear Groove of Shifter Groove162
Transmission Care163
Rear Wheels and Seat163
Step and Center Cover164
Pipes and Hydraulic Block164
ROPS and Fender R.H., L.H.165
Hydraulic Cylinder Assembly166
Brake Case167
Separating MID Case and Transmission Case167
Transmission Bearing Holder168
Differential Lock Shift Fork169
Differential Gear Assembly169
Bearing and Differential Lock Shifter170
Differential Case Cover and Differential Side Gear170
Spiral Bevel Gear170
Differential Pinion Shaft and Differential Pinion171
Differential Side Gear171
Spiral Bevel Gear Turning Torque172
Backlash and Tooth Contact between Spiral Bevel Gear Ans Spiral Bevel Pinion Shaft173
Clearance between Differential Case Bore and Differential Side Gear Boss174
Clearance between Differential Pinion Shaft and Differential Pinion174
Backlash between Differential Pinion and Differential Side Gear174
Rear Axle175
Separating Rear Axle Case from Brake Case181
Rear Wheel181
Rops181
Rear Axle Case182
Disassembling Rear Axle183
Brakes184
Brake Pedal191
Checking Brake Pedal Free Travel191
Clearance between Brake Lever Link Shaft and Bushing192
Separating Brake Case from Transmission Case Draining the Transmission Fluid192
Brake Cam and Brake Cam Lever194
Brake Cam Lever Movement195
Cam Plate Flatness195
Height of Cam Plate and Ball195
Brake Disc Wear195
Front Axle196
2WD Type198
4WD Type199
Axial Sway of Front Wheel208
Adjusting Front Axle Pivot209
Front Wheel Steering Angle (4WD Only)209
Draining Front Axle Case Oil (4WD Only)210
Power Steering Hoses211
Front Wheel and Front Axle211
Tie-Rods211
Disassembling 2WD Type Front Axle Front Wheel Hub212
Knuckle Shaft213
Disassembling 4WD Type Front Axle213
Bevel Gear Case and Front Gear Case213
Axle Flange and Front Gear Case214
Bevel Gear and Bevel Gear Shaft214
Bevel Gear Case214
Bevel Gear Case Gears214
Axle215
Spiral Bevel Pinion Shaft and Differential Gear Assembly216
Differential Gear217
Clearance between Front Axle Middle Boss and Shaft Bracket Bushing218
Clearance between Knuckle Shaft (Kingpin) and Bushing218
Clearance between Differential Case (Differential Case Cover) and Differential Side Gear219
Clearance between Pinion Shaft and Differential Pinion219
Turning Torque of Spiral Bevel Pinion Shaft (Pinion Shaft Only)220
Backlash between Spiral Bevel Pinion Shaft and Spiral Bevel Gear220
Backlash between 10T Bevel Gear and 14T Bevel Gear221
Backlash between 9T Bevel Gear and 43T Bevel Gear221
Clearance between Front Axle Case Bosses and Bracket Bushings222
Clearance between Bevel Gear Case Boss and Front Axle Support Bushing222
Steering223
Steering Linkage225
[2] Oil Flow226
Steering Cylinder227
Power Steering Hydraulic Pum231
Steering Controller231
Steering Cylinder [2WD Type]231
Steering Cylinder [4WD Type]231
Steering Linkage [2WD]232
Power Steering Hydraulic Pump234
Hydraulic Flow Test235
Removing Hydraulic Pump Assembly236
Regulator Valve and Hydraulic Pump Assembly236
Disassembling Power Steering Hydraulic Pump237
Hydraulic Pump Running-In237
Housing Bore (Depth of Scratch)237
Side Plate Thickness238
Relief Valve Setting Pressure Test238
Removing Steering Controller239
Disassembling Steering Controller240
Port Cover Assembly241
Port Manifold and Springs241
Valve Ring242
Springs and Isolation Manifold242
Alignment Pins and Drive Link242
Metering Ring and Metering Package243
Face Seal, Face Seal Spacer, Thrust Bearing and Bearing Spacer243
Commutator Seal243
Commutator Cover244
Commutator Ring245
Commutator and Alignment Pins245
Drive Link Spacer and Rotor Set245
Port Cover245
Port Manifold246
Valve Plate246
Hex. Drive Assembly246
Isolation Manifold246
Commutator Ring and Commutator247
Drive Link Spacer247
Rotor Set247
Drive Plate248
Bearing and Spacers248
Battery, Bonnet and Lower Cover249
Radiator and Battery Support249
Removing Steering Cylinder250
Removing Pitman Arm251
Disassembling Steering Cylinder [2WD Type]251
Rod End251
Cylinder Cover Assembly and Rod Assembly252
Removing the Steering Cylinder [4WD Type]253
Disassembling Steering Cylinder [4WD Type]254
Piston Rod254
Clearance between Rod and Cylinder Cover Bushing254
Cylinder Tube Wear254
Clearance between Rod End Shaft and Rod End Bushing255
Clearance between Cylinder Tube Pin and Pitman Arm Bushing255
Clearance between Pitman Arm Shaft and Pitman Arm Bushing255
Steering Cylinder (4WD Type)256
Steering Cylinder I.D.256
Clearance between Bod and Bushing256
Hydraulic System257
Hydraulic Circuit259
Hydraulic Circuit for Three Point Hydraulic System261
Hydraulic Oil Flow261
Three Point System Hydraulic Pump264
Relief Valve264
Cylinder Safety Valve264
Control Linkage264
Hydraulic Cylinder265
Hydraulic Pump267
Pump Test Using Flow-Meter267
Regulator Valve and Hydraulic Pump Assembly270
Disassembling Three System Hydraulic Pump270
Separating Power Steering Hydraulic Pump270
Position Control and Draft Control Linkage272
Adjusting Position Control Feedback Rod272
Adjusting Draft Control Rod (if Equipped)273
Seat and Level Guide273
Position Control and Draft Control Linkage (if Equipped)274
Relief Valve Setting Pressure Test Using Pressure Tester275
Operating Pressure of Cylinder Safety Valve276
Hydraulic Cylinder and Position Control Valve277
Battery Negative Cable277
Seat and Fender Support277
3P Delivery Pipe277
Disassembling Hydraulic Cylinder Assembly279
Hydraulic Rod and Hydraulic Piston279
Lift Arm, Hydraulic Arm and Hydraulic Arm Shaft279
Bushings280
Position Control Valve280
Lowering Speed Adjusting Valve282
Hydraulic Cylinder Bore282
Clearance between Hydraulic Arm Shaft and Bushing282
Electrical System283
Wiring Diagram285
Color of Wiring285
Easy Checker290
Battery Voltage294
Battery Terminal Connection294
Battery Specific Gravity295
Starting System296
Main Switch296
Connector Voltage296
Main Switch Key at off Position296
Main Switch Key at on Position297
Main Switch Key at START Position297
Main Switch Key at PREHEAT Position297
Motor Test297
Magnet Switch Test (Pull-In, Holding Coils)298
Checking Starter Relay298
Glow Contol System298
Glow Plug Lead Terminal Voltage298
Glow Plug Continuity299
Safety Switch Continuity299
Starter299
Disassembling Motor299
Disassembling Magnet Switch300
Plunger300
Overrunning Clutch300
Commutator and Mica301
Brush Wear301
Brush Holder301
Armature Coil302
Field Coil302
Charging System303
Alternator303
No-Load Test303
Rear End Cover304
IC Regulator304
Rectifier304
Rear End Frame305
Rotor305
Retainer Plate305
Bearing on Drive End Side305
Slip Ring306
Lighting System308
Combination Switch308
Remove the Combination Switch308
Head Light Switch Continuity When Setting Switch at off Position309
Head Light Switch Continuity When Setting Switch at ON1 Position309
Head Light Switch Continuity When Setting Switch at ON2 Position309
Turn Signal Switch309
Turn Signal Switch off Position310
Turn Signal Switch R Position310
Turn Signal Switch L Position310
Nazard Switch Connector Voltage310
Nazard Switch Continuity311
Flasher Unit312
Flasher Unit Test312
Warning Lamps313
Engine Oil Pressure Switch Panel Board and Wiring Harness313
Engine Oil Pressure Switch Continuity313
Charging Circuit (Panel Board and Wiring Harness)313
Gauges314
Fuel Level Sensor314
Coolant Temperature Sensor314
Guel Gauge and Coolant Temperature Gauge Continuity314

Kubota MX5000 - Top Clearance; Cylinder Head Cover; Cylinder Head and Valves

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