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M6800S
Kubota M6800S User Manual
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G-3
M6800 · M6800S · M8200 · M9000, WSM
G
GENERAL
2.
TRACTOR IDENTIFICATION
[1]
MODEL NAME AN
D SERIAL NUMBERS
When contact
ing your lo
cal KUBOTA d
istributor,
always specify
engine serial numbe
r, tractor serial number and hou
rmeter reading.
W1010800
(1)
T
ractor Identification Plate
(2)
Tractor Serial Number
(3)
Engine Serial Number
KiSC issued 03, 2008 A
17
19
Table of Contents
General
15
Default Chapter
15
Table of Contents
15
1 Features
16
2 Tractor Identification
18
Model Name and Serial Numbers
18
E2 Engine
20
Cylinder Number
20
3 General Precautions
21
4 Handling Precautions for Electrical Parts and Wiring
22
Wiring
22
Battery
24
Fuse
24
Connector
24
Handling of Circuit Tester
25
5 Lubricants Fuel and Coolant
26
6 Tightening Torques
28
General Use Screws, Bolts and Nuts
28
Stud Bolts
28
7 Maintenance
29
8 Check and Maintenance
30
Daily Check
30
Check Points of Initial 50 Hours
31
Check Points of Every 50 Hours
33
Check Points of Every 100 Hours
36
Check Points of Every 200 Hours
40
Check Points of Every 300 Hours
41
Check Points of Every 400 Hours
41
Check Points of Every 600 Hours
43
Check Points of Every 800 Hours
44
Check Points of Every 1 Year
45
Check Points of Every 2 Years
45
Others
47
9 Special Tools
49
10 Tires
71
Type of Tires
71
Tread Adjustment
71
Front Wheels [2WD
71
Front Wheels [4WD]
72
Rear Wheels
72
Wheel Hub
73
Tire Pressure
73
Tire Liquid Injection
74
11 Implement Limitations
77
Mechanism
81
1 Engine Body
82
Cylinder Block
82
Crankshaft
82
2 Fuel System
83
Fuel Filter
83
3 Turbo Charger System
84
Boost Compensator
84
Servicing
85
Troubleshooting
86
Servicing Specifications
89
Tightening Torques
96
Checking, Disassembling and Servicing
97
Separating Engine from Tractor
97
Engine Body
102
Cylinder Head
102
Timing Gear
117
Piston and Connecting Rod
133
Flywheel and Crankshaft
139
Lubricating System
148
Checking
148
Disassembling and Assembling
148
Servicing
149
Cooling System
150
Checking and Adjusting
150
Disassembling and Assembling
151
Fuel System
152
Checking and Adjusting
152
Disassembling and Assembling
154
Turbocharger System
154
Checking
154
Disassembling and Assembling
155
Mechanism
158
1 Travelling Clutch
159
Features
159
Travelling Clutch Linkage
159
Operation
160
2 Pto Clutch
161
Structure
161
Oil Flow
161
Pto Clutch Valve
162
Shift Linkage
164
Servicing
165
Troubleshooting
166
Servicing Specifications
167
Tightening Torques
168
Checking, Disassembling and Servicing
169
Travelling Clutch
169
Checking and Adjusting
169
Disassembling and Assembling
170
Servicing
175
Hydraulic Pto Clutch
177
Checking and Adjusting
177
Disassembling and Assembling
178
Servicing
185
Mechanism
188
1 Structure
189
M6800
189
M6800S
191
M8200 · M9000
193
2 Travelling System
196
Main Gear Shift Section
196
Shuttle Shift Section
200
Hi-Creep Shift Section (if Equipped)
203
Four Wheel Drive Section (4Wd Only)
205
3 Pto System
206
Fixed Pto Shaft Type with Single Speed
206
(Rpm))
206
Fixed Pto Shaft Type with Two Speeds
207
Interchangeable Pto Shaft Type
208
4 Differential Gear
209
Structure
209
Operation
209
Servicing
211
Troubleshooting
212
Servicing Specifications
213
Tightening Torques
216
Checking, Disassembling and Servicing
218
Clutch Housing Case
218
Disassembling and Assembling
218
Servicing
243
Transmission Case
244
Disassembling and Assembling
244
Servicing
258
Rear Axle
269
Servicing
274
1 Troubleshooting
275
2 Servicing Specifications
276
4 Checking, Disassembling and Servicing
278
Disassembling and Assembling
278
Separating Rear Axle Case from Transmission Case
278
Disassembling Rear Axle Case [Type 1 : M6800(S) · M8200 · M9000]
279
Rear Axle Shaft [M6800(S)]
280
Rear Axle Shaft [M8200 · M9000]
281
Type 1 [M6800(S) · M8200 · M9000]
281
Type 2 [M8200 · M9000]
282
Servicing
287
2 Servicing Specifications
289
3 Tightening Torques
290
Separating Rear Axle Case from Transmission Case
292
Disassembling Brake Case
293
Front Axle
296
Front Wheel Alignment
301
Servicing
303
Troubleshooting
304
Servicing Specifications
305
Tightening Torques
308
Checking, Disassembling and Servicing
309
Checking and Adjusting
309
Disassembling and Assembling
311
Separating Front Axle [2WD Type]
311
Separating Front Axle [4WD Type]
311
Disassembling Front Axle [2WD Type]
313
Disassembling Front Axle [4WD Type]
315
Servicing
321
2WD Type
321
4WD Type
322
Mechanism
328
1 Steering Mechanism
329
2 Power Steering Hydraulic Circuit
330
3 Power Steering System Hydraulic Pump
331
4 Steering Controller
333
Control Valve
333
Metering Device (Gerotor)
334
Oil Flow
335
5 Steering Cylinder
338
Servicing
339
Troubleshooting
340
Servicing Specifications
341
Tightening Torques
342
Checking, Disassembling and Servicing
343
Power Steering Hydraulic Pump
343
Checking and Adjusting
343
Disassembling and Assembling
344
Servicing
346
Relief Valve
347
Checking and Adjusting
347
Disassembling and Assembling
348
Steering Controller
348
Steering Cylinder
352
Disassembling and Assembling
352
Servicing
354
Hydraulic System
356
Mechanism
357
1 Three Point Hydraulic System
358
2 Hydraulic Circuit for Three Point Hydraulic System
359
3 Hydraulic Pump
361
4 Oil Filter
363
5 Position Control Valve
364
M6800(S)
364
M8200 · M9000
366
6 Relief Valve
369
7 Hydraulic Cylinder
370
8 Linkage Mechanism
371
M6800(S)
371
Position Control
371
Draft Control
373
M8200 · M9000
376
Position Control
376
Draft Control
377
Mixed Control
378
9 Cylinder Safety Valve (Surge Relief Valve)
379
10 Auxiliary Control Valve
380
Single / Double Acting Type
380
Self-Cancelling with Detent (Standard)
385
Self-Cancelling with Detent (if Equipped)
390
Floating with Detent (if Equipped)
395
Flow Control Valve (if Equipped)
399
Servicing
400
Troubleshooting
401
Servicing Specifications
402
Tightening Torques
405
Checking, Disassembling and Servicing
406
Hydraulic Pump
406
Checking
406
Disassembling and Assembling
409
Servicing
411
Position Control and Draft Control Linkage
413
Checking and Adjusting
413
Relief Valve
419
Checking and Adjusting
419
Disassembling and Assembling
420
Hydraulic Cylinder and Position Control Valve
421
Disassembling and Assembling
421
Electrical System
434
Mechanism
435
1 Wiring Diagram
436
2 Starting System
449
Starter Motor
450
Glow Control System
450
3 Engine Key Switch Shut-Off System
451
4 Charging System
453
IC Regulator
454
5 Lighting System
455
Destination
455
For North America and Oceania
455
For North America
456
For Euro
457
For Asia and Other Country
457
6 Easy Checker
460
Destination
460
For North America, Oceania, Asia and Other Country
460
For Euro
461
Indication Items
461
Air Cleaner Clogged Lamp
462
Model Only)
462
Pto Clutch Lever Operation
462
Sensor
462
Servicing
468
2 Servicing Specifications
473
3 Tightening Torques
474
4 Checking, Disassembling and Servicing
475
Checking
475
Servicing
477
Starting System
478
Checking
478
Disassembling and Assembling
483
Servicing
484
Charging System
486
Checking
486
Disassembling and Assembling
487
Servicing
489
Lighting System
490
Checking
490
Warning Lamps
498
Checking
498
Gauges
500
Checking
500
Opc (if Equipped)
501
General
512
1 Lubricants Fuel and Coolant
513
2 Maintenance Check List
514
3 Check and Maintenance
515
Daily Check
515
Check Points of Every 50 Hours
516
Check Points of Every 200 Hours
517
Check Points of Every 1 Year
518
Others
518
4 Special Tools
523
Windshield Wiper
584
Servicing
587
2 Servicing Specifications
593
4 Precautions at Repairing Refrigerant Cycle
595
Handling of Service Tools
596
Manifold Gauge Set
596
Refrigerant Charging Hose
598
Vacuum Pump Adaptor
599
Electric Gas Leak Tester
599
Can Tap Valve
599
T-Joint
600
R134A Refrigerant Recovery and Recycling Machine
600
5 Checking and Charging Refrigerant Cycle
601
Checking with Manifold Gauge
601
Discharging Evacuating and Charging
605
Discharging the System
605
Evacuating the System
605
Charging the System
607
Checking Charge Refrigerant Amount
609
6 Checking, Disassembling and Servicing
610
Separating Cabin from Tractor Body
610
Disassembling and Assembling
610
Compressor
616
Checking
616
Disassembling and Assembling
617
Servicing
619
Air Conditioning System and Front Windshield Wiper
620
Disassembling and Assembling
626
Servicing
631
Lighting System
632
Checking
632
Opc (Operator Presence Control) System
633
Checking
633
Others
633
5
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Kubota M6800S Specifications
General
Brand
Kubota
Model
M6800S
Category
Tractor
Language
English
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