John Deere 670D, 672D, 770D, 772D, 870D, and 872D Motor Graders Repair Service Manual (TM2256)
Complete Repair Service Technical Manual for John Deere 670D, 672D, 770D, 772D, 870D, and 872D Motor Grader, with all the shop information to maintain, repair, and rebuild like professional mechanics.
John Deere 670D, 672D, 770D, 772D, 870D, and 872D Motor Grader workshop technical manual (repair) includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.
TM2256 - John Deere 670D, 672D, 770D, 772D, 870D, and 872D Motor Grader Technical Manual - Repair.pdf
tm9005 - John Deere Motoniveladoras 670D, 672D, 770D, 772D, 870D y 872D.pdf
tm10017 - John Deere Niveleuses automotrices 670D, 672D, 770D, 772D, 870D et 872D.pdf
tm2256 - John Deere 670D, 672D, 770D, 772D, 870D, and 872D Motor Grader.pdf
PRODUCT DETAILS:
Total Pages: 591 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: Spanish English French
Published on 2019/09/30
TABLE OF CONTENTS
Section 00: General Information....11
Group 001: Safety....11
Recognize Safety Information....14
Follow Safety Instructions....15
Operate Only If Qualified....16
Wear Protective Equipment....17
Avoid Unauthorized Machine Modifications....18
Inspect Machine....19
Stay Clear of Moving Parts....20
Avoid High-Pressure Oils....21
Beware of Exhaust Fumes....22
Prevent Fires....23
Prevent Battery Explosions....24
Handle Chemical Products Safely....25
Dispose of Waste Properly....26
Prepare for Emergencies....27
Use Steps and Handholds Correctly....28
Start Only From Operator's Seat....29
Use and Maintain Seat Belt....30
Prevent Unintended Machine Movement....31
Avoid Work Site Hazards....32
Keep Riders Off Machine....34
Avoid Backover Accidents....35
Avoid Machine Tip Over....36
Operating Or Traveling On Public Roads....37
Inspect and Maintain ROPS....38
Add and Operate Attachments Safely....39
Park And Prepare For Service Safely....40
Service Cooling System Safely....41
Remove Paint Before Welding or Heating....42
Make Welding Repairs Safely....43
Drive Metal Pins Safely....44
Group 0003: Torque Values....11
Metric Bolt and Cap Screw Torque Values....47
Additional Metric Cap Screw Torque Values....49
Unified Inch Bolt and Cap Screw Torque Values....51
Service Recommendations for 37° Flare and 30° Cone Seat Connectors....53
Service Recommendations for O-Ring Boss Fittings....55
Service Recommendations for Flared Connections—Straight or Tapered Threads....57
Service Recommendations For Flat Face O-Ring Seal Fittings....59
O-Ring Face Seal Fittings With SAE Inch Hex Nut And Stud End For High Pressure Service Recommendations....61
O-Ring Face Seal Fittings With Metric Hex Nut And Stud End For Standard Pressure Service Recommendations....63
O-Ring Face Seal Fittings With Metric Hex Nut And Stud End For High Pressure Service Recommendations....66
Service Recommendations for Metric Series Four Bolt Flange Fitting....69
Service Recommendations For Inch Series Four Bolt Flange Fittings....71
Inch Series Four Bolt Flange Fitting For High Pressure Service Recommendations....73
Service Recommendations For Non-Restricted Banjo (Adjustable) Fittings....75
Service Recommendations For O-Ring Boss Fittings With Shoulder....78
Metric 24° O-Ring Seal DIN 20078 Service Recommendations....81
Section 01: Wheels....85
Group 0110: Powered Wheels and Fasteners....85
Tire Remove and Install....88
Section 02: Axles and Suspension Systems....90
Group 0225: Input Drive Shafts and U-Joints....90
Transmission-to-Rear Axle Drive Shaft Remove and Install....94
Transmission-to-Rear Axle Drive Shaft Disassemble and Assemble....96
Group 0230: Non-Powered Wheel Axles....90
Front Wheel Hub and Spindle Remove and Install—Non HFWD....99
Front Wheel Hub and Spindle Disassemble and Assemble—Non HFWD....101
Front Axle Remove and Install—Non HFWD....103
Group 0240: Powered Wheel Axles....90
Front Wheel Hub and Spindle Remove and Install—HFWD....110
Front Wheel Hub and Spindle Disassemble and Assemble—HFWD....114
Front Wheel Hub and Spindle Disassemble and Assemble with Steering Angle Sensor—HFWD....120
HFWD Drive Hub Disassemble and Assemble....127
Planetary Drive Disassemble and Assemble....128
Planetary Brake Disassemble and Assemble....131
HFWD Bearings Remove and Install....138
HFWD O-Ring Metal Face Seal Remove and Install....142
Front Axle Remove and Install—HFWD....151
Steering Angle Sensor Remove and Install (S.N. 611296— )....158
Group 0250: Axle Shafts, Bearings, and Reduction Gears....90
TEAMMATE™ II 1400 Series Inboard Planetary Axle—Use CTM43....162
Rear Axle Remove and Install....163
Tandem and Wheel Axle Assembly Remove and Install....169
Tandem Rear Wheel Axle Assembly Remove and Install....173
Tandem Front Wheel Axle Assembly Remove and Install....175
Tandem Wheel Axle Assembly Disassemble and Assemble....177
Tandem Pivot Disassemble and Assemble....182
Final Drive Axle Remove and Install....187
Tandem Drive Shaft Remove and Install....194
Drive Chain Remove and Install....205
Group 0260: Hydraulic System....90
HFWD Pump Remove and Install....209
HFWD Pump Disassemble and Assemble....211
HFWD Charge Pump Remove and Install....239
HFWD Charge Pump Disassemble and Assemble....240
HFWD Engagement Manifold Remove and Install....241
HFWD Engagement Manifold Disassemble and Assemble....244
Differential Lock Pump Remove and Install....246
Park Brake Valve Remove and Install....248
Park Brake Valve Disassemble and Assemble....249
HFWD Motor Remove and Install....251
HFWD Motor Disassemble and Assemble....252
Section 03: Transmission....256
Group 0300: Removal and Installation....256
Funk Transmission....259
Transmission Remove and Install....261
Group 0360: Hydraulic System....256
Transmission Charge Pump Remove and Install....265
Transmission Oil Filter Remove and Install....266
Transmission Accumulator Remove and Install....429
Section 04: Engine....271
Group 0400: Removal and Installation....271
POWERTECH® 4.5 L POWERTECH® 4.5 L POWERTECH® 4.5 L & 6.8 L (4045 & 6068) John Deere Engines{pgNO}271 6.8 L (4045 POWERTECH® 4.5 L & 6.8 L (4045 & 6068) John Deere Engines{pgNO}271 6068) John Deere Engines{pgNO}273 6.8 L (4045 POWERTECH® 4.5 L POWERTECH® 4.5 L & 6.8 L (4045 & 6068) John Deere Engines{pgNO}271 6.8 L (4045 POWERTECH® 4.5 L & 6.8 L (4045 & 6068) John Deere Engines{pgNO}271 6068) John Deere Engines{pgNO}273 6068) John Deere Engines....272
POWERTECH ® 8.1 L (6081) John Deere Engines....274
Engine Remove and Install—6.8 L....275
Engine Remove and Install—8.1 L....281
Section 05: Engine Auxiliary System....287
Group 0510: Cooling System....287
Fan Remove and Install....290
Fan Pulley Remove and Install....292
Fan Pulley Disassemble and Assemble....293
Fan Belt Tensioner Remove and Install....296
Fan Drive Assembly Remove and Install....297
Fan Drive Hub Disassemble and Assemble....299
Radiator Remove and Install....302
Oil Cooler Remove and Install....305
Charge Air Cooler Remove and Install....308
Group 0560: External Fuel Supply Systems....287
Fuel Tank Remove and Install....313
Section 07: Torsional Isolator....315
Group 0752: Elements....315
Torsional Isolator Remove and Install....317
Section 09: Steering System....318
Group 0920: Power Steering....318
Toe-In Check and Adjustment—(HFWD or Non-HFWD)....321
Group 0960: Hydraulic System....318
Steering Wheel, Column, and Valve Remove and Install....325
Steering Valve Disassemble and Assemble....327
Steering Cylinder Remove and Install....334
Hydraulic Cylinder Repair....335
Wheel Lean Cylinder Remove and Install....336
Section 10: Service Brakes....340
Group 1011: Active Elements....340
Service Brake Repair....342
Group 1060: Hydraulic System....340
Service Brake Valve Remove and Install....346
Service Brake Bleeding....349
Brake Accumulator Remove and Install....429
Section 11: Park Brake....352
Group 1111: Active Elements....352
Park Brake Repair....354
Section 17: Frame, Chassis or Supporting Structure....355
Group 1740: Frame Installation....355
Welding On Machine....357
Welding Repair of Major Structure....358
Separate Engine and Equipment Frame....360
Section 18: Operator’s Station....364
Group 1800: Removal and Installation....364
Cab Remove and Install....371
Group 1810: Operator Enclosure....364
Windowpanes Remove and Install....378
Cab Door Handle Remove and Install....379
Cab Door Latch Remove and Install....381
Rivet Nut Installation....384
Wiper Arm Installation....389
Group 1821: Seat and Seat Belt....364
Seat Remove and Install....394
Seat Belt Remove and Install....396
Air Suspension Seat Disassemble and Assemble....398
Air Seat Suspension Disassemble and Assemble....400
Mechanical Suspension Seat Disassemble and Assemble....402
Mechanical Seat Suspension Disassemble and Assemble....404
Group 1830: Heating and Air Conditioning....364
Refrigerant Cautions and Proper Handling....407
Flush and Purge Air Conditioner System....408
R134a Refrigerant Oil Information....412
R134a Refrigerant Recovery/Recycling and Charging Station Installation Procedure....414
Recover R134a Refrigerant....416
Evacuate R134a System....417
Charge R134a System....419
Compressor Remove and Install....420
Condenser Remove and Install....422
Heater and Air Conditioner Remove and Install....424
Receiver/Dryer Remove and Install....427
Accumulator Remove and Install....429
Compressor Clutch Disassemble and Assemble....431
Compressor Manifold Inspect....434
Compressor Relief Valve Remove and Install....435
Section 19: Sheet Metal and Styling....436
Group 1921: Grille and Grille Housing....436
Grille Housing Remove and Install....439
Section 21: Main Hydraulic System....441
Group 2160: Hydraulic System....441
Hydraulic Pump Remove and Install....444
Hydraulic Pump Disassemble and Assemble....446
Hydraulic System Manifold Remove and Install....451
Hydraulic System Manifold Disassemble and Assemble....453
Hydraulic Oil Tank Remove and Install....456
Attenuator Remove and Install....458
Soft Start Valve Remove and Install....459
Soft Start Valve Disassemble and Assemble....460
Section 34: Grading Device....462
Group 3415: Controls Linkage....462
Steering Support Console Remove and Install....466
Steering Tilt Assembly Remove and Install....469
Console Tilt Remove and Install....470
Group 3440: Frames....462
Lift Arms, Saddle Frame and Locking Pin Bracket Remove and Install....476
Saddle Locking Pin Disassemble and Assemble....480
Draft, Circle, and Blade Tilt Frame Remove and Install....483
Circle Adjustment....487
Blade Side Shift Wear Inserts Install and Adjust....491
Blade Side Shift Clearance Measure and Adjust....494
Group 3450: Circle Gearbox....462
Circle Drive Gearbox Disassemble and Assemble....502
Circle Drive Gearbox (With Slip Clutch) Disassemble and Assemble....507
Group 3460: Hydraulic System....462
Grader Control Valve Remove and Install....529
Grader Control Valve Disassemble and Assemble....533
Midmount Scarifier Valve Section Disassemble and Assemble....535
Blade Lift Valve Section Disassemble and Assemble....537
Scarifier or Ripper Valve Section Disassemble and Assemble....539
Blade Side Shift, Blade Tilt, Articulation, Wheel Lean, or Circle Side Shift Valve Section Disassemble and Assemble....541
Circle Rotate Valve Section Disassemble and Assemble....543
Return Check Poppets Disassemble and Assemble....545
Rotate Motor Disassemble and Assemble....546
Rotary Manifold Remove and Install....549
Rotary Manifold Disassemble and Assemble....551
Blade Lift, Blade Tilt and Circle Side Shift Cylinders Remove and Install....552
Section 42: Ground Conditioning Tool....553
Group 4240: Frames....553
Scarifier Remove and Install....556
Midmount Scarifier Remove and Install....558
Ripper Remove and Install....574
Section 99: Dealer Fabricated Tools....576
Group 9900: Dealer Fabricated Tools....576
DFT1151—Outboard Bearing Driver....578
DFT1152—Inboard Bearing Driver....579
DFT1153—Oil Seal Driver....580
DF1017—Axle Lift Eye....581
DF1057—Axle Adjusting Tool....582
DFRW103—Yoke Holding Tool....584
DFT1225—Rolling Torque Measurement Tool....585
DFT1253 Transmission Support Bracket....586
DFRW20 Compressor Holding Fixture....587
DFT1101 Cab and ROPS Lift Bracket....588
DFT1282—King Pin Torque Adapter....589
John Deere 670D, 672D, 770D, 772D, 870D, and 872D Motor Graders Repair Service Manual (TM2256)
