Komatsu Motor Grader GD825A Repair Service Manuals
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Complete service repair manual with Electrical Wiring Diagrams for Komatsu Motor Grader GD825A , with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.
Komatsu Motor Grader GD825A workshop service repair manual 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.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* 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.
SEAM021400 - Motor Grader GD825A-2 Operation & Maintenance Manual.pdf
SEAM021403T - Motor Grader GD825A-2 Operation & Maintenance Manual.pdf
SEAM02350100 - Motor Grader GD825A-1 Operation & Maintenance Manual.pdf
SEBM002308 - Motor Grader GD825A-2 Shop Manual.pdf
SEBM02350106 - Motor Grader GD825A-1 Shop Manual.pdf
TEN00012-00 - Motor Grader GD825A-2 Operation & Maintenance Manual.pdf
TEN00334-02 - Motor Grader GD825A-2 Operation & Maintenance Manual.pdf
Total Pages: 2,717 pages
File Format: PDF
Language: English
MAIN SECTIONS
SEAM021400 - Motor Grader GD825A-2 Operation & Maintenance Manual....2
COVER....2
1. FOREWORD....3
2. SAFETY INFORMATION....4
3. INTRODUCTION....5
3.1 INTENDED USE....5
3.2 FEATURES....5
3.3 BREAKING IN THE MACHINE....5
4. LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR....6
4.1 MACHINE SERIAL NO. PLATE POSITION....6
4.2 ENGINE SERIAL NO. PLATE POSITION....6
4.3 TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR....6
5. CONTENTS....7
SAFETY....11
6. GENERAL PRECAUTIONS....12
7. PRECAUTIONS DRING OPERATION....18
7.1 BEFORE STARTING ENGINE....18
7.2 AFTER STARTING ENGINE....20
7.3 TRANSPORTATION....27
7.4 BATTERY....28
7.5 TOWING....30
8. PRECAUTIONS FOR MAINTENANCE....31
8.1 BEFORE CARRYING OUT MAINTENANCE....31
8.2 DURING MAINTENANCE....35
8.3 TIRES....41
9. POSITION FOR ATTACHING SAFETY LABELS....43
OPERATION....49
10. GENERAL VIEW....50
10.1 GENERAL VIEW OF MACHINE....50
10.2 GENERAL VIEW OF CONTROLS AND GAUGES....51
11. EXPLANATION OF COMPONENTS....53
11.1 MONITOR PANEL....53
11.2 CLUSTER GAUGE AND PILOT LAMPS....65
11.3 SWITCHES....66
11.4 CONTROL LEVERS AND PEDALS....72
11.5 DUST INDICATOR....79
11.6 ARTICULATE LOCK PIN....79
11.7 FUSE BOX....79
11.8 OPERATOR'S CAB LIFT MACHANISM....80
11.9 BACKUP ALARM....80
11.10 FRONT GLASS....81
11.11 TOOL BAG....82
11.12 STORAGE BOX....82
11.13 STORAGE NET....82
11.14 QUICK-FILL FUEL FILLER....82
11.15 AIR CONDITIONER....83
12. OPERATION....87
12.1 CHECKS BEFORE STARTING ENGINE....87
12.2 STARTING ENGINE....102
12.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE....104
12.4 TRAVELING POSTURE FOR MACHINE....105
12.5 MOVING MACHINE....106
12.6 SHIFTING GEAR....107
12.7 SHIFTING BETWEEN FOREWARD AND REVERSE....108
12.8 STOPPING MACHINE....109
12.9 TURNING MACHINE....110
12.10 OPERATING WORK EQUIPMENT....112
12.11 WORK WHICH CAN BE CARRIED OUT USING A MOTOR GRADER....115
12.12 PRECAUTIONS FOR OPERATION....141
12.13 ADJUSTING WORK EQUIPMENT POSTURE....143
12.14 PARKING MACHINE....144
12.15 CHECK AFTER FINISHING WORK....145
12.16 STOPPING ENGINE....146
12.17 CHECK AFTER STOPPING ENGINE....146
12.18 LOCKING....147
12.19 HANDLING THE TIRES....148
12.20 HANDLING BLADE ACCUMULATOR....149
12.21 HANDLING BLADE FLOAT....151
13. TRANSPORTATION....153
13.1 LOADING, UNLOADING WORK....153
13.2 PRECAUTIONS FOR LOADING....154
13.3 PRECAUTIONS FOR TRANSPORTATION....154
14. COLD WEATHER OPERATION....155
14.1 PRECAUTIONS FOR LOW TEMPERATURE....155
14.2 CAUTIONS AFTER COMPLETION OF WORK....157
14.3 AFTER COLD WEATHER....157
15. LONG-TERM STORAGE....158
15.1 BEFORE STORAGE....158
15.2 DURING STORAGE....158
15.3 AFTER STORAGE....158
16. TROUBLESHOOTING....159
16.1 AFTER RUNNING OUT OF FUEL....159
16.2 WHEN LEANING PIPING IS DAMAGED....159
16.3 TOWING THE MACHINE....160
16.4 IF BATTERY IS DISCHARGED....164
16.5 OTHER TROUBLE....168
MAINTENANCE....173
17. GUIDES TO MAINTENANCE....174
18. OUTLINES OF SERVICE....176
18.1 OUTLINE OF OIL, FUEL, COOLANT....176
18.2 RELATING TO ELECTRIC SYSTEM....179
19. WEAR PARTS LIST....180
20. USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE....181
21. STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS....185
21.1 INTRODUCTION OF NECESSARY TOOLS....185
21.2 TORQUE LIST....186
22. PERIODIC REPLACEMENT OF CRITICAL PARTS....187
23. MAINTENANCE SCHEDULE CHART....190
23.1 MAINTENANCE SCHEDULE CHART....190
24. SERVICE PROCEDURE....194
24.1 INITIAL 250 HOURS SERVICE....194
24.2 WHEN REQUIRED....195
24.3 CHECK BEFORE STARTING....208
24.4 EVERY 50 HOURS SERVICE....214
24.5 EVERY 250 HOURS SERVICE....215
24.6 EVERY 500 HOURS SERVICE....230
24.7 EVERY 1000 HOURS SERVICE....239
24.8 EVERY 2000 HOURS SERVICE....250
24.9 EVERY 4000 HOURS SERVICE....256
SPECIFICATIONS....257
25. SPECIFICATIONS....258
OPTIONS, ATTACHMENTS....261
26. HANDLING EMERGENCY STEERING DEVICE....262
26.1 CHECKS....262
SEAM021403T - Motor Grader GD825A-2 Operation & Maintenance Manual....265
COVER....265
1.FOREWORD....266
2.SAFETY INFORMATION....269
3.INTRODUCTION....270
4.LOCATION OF PLATES,TABLE TO ENTER SERIAL NO.AND DISTRIBUTOR....271
5.CONTENTS....272
SAFETY....275
6.GENERAL PRECAUTIONS....276
7.PRECAUTIONS DURING OPERATION....282
7.1 BEFORE STARTING ENGINE....282
7.2 AFTER STARTING ENGINE....284
7.3 TRANSPORTATION....291
7.4 BATTERY....292
7.5 TOWING....294
8.PRECAUTIONS FOR MAINTENANCE....295
8.1 BEFORE CARRYING OUT MAINTENANCE....295
8.2 DURING MAINTENANCE....299
8.3 TIRES....305
9.POSITION FOR ATTACHING SAFETY LABELS....307
OPERATION....312
10.GENERAL VIEW....313
10.1 GENERAL VIEW OF MACHINE....313
10.2 GENERAL VIEW OF CONTROLS AND GAUGES....314
11.EXPLANATION OF COMPONENTS....316
11.1 MONITOR PANEL....316
11.2 CLUSTER GAUGE AND PILOT LAMPS....328
11.3 SWITCHES....329
11.4 CONTROL LEVERS AND PEDALS....335
11.5 DUST INDICATOR....342
11.6 ARTICULATE LOCK PIN....342
11.7 FUSE BOX....342
11.8 OPERATOR'S CAB LIFT MECHANISM....343
11.9 BACKUP ALARM....343
11.10 FRONT GLASS....344
11.11 TOOL BAG....345
11.12 STORAGE BOX....345
11.13 STORAGE NET....345
11.14 QUICK-FILL FUEL FILLER....345
11.15 AIR CONDITIONER....346
12.OPERATION....350
12.1 CHECK BEFORE STARTING ENGINE....350
12.2 STARTING ENGINE....365
12.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE....367
12.4 TRAVELING POSTURE FOR MACHINE....368
12.5 MOVING MACHINE ....369
12.6 SHIFTING GEAR....370
12.7 SHIFTING BETWEEN FORWARD AND REVERSE....371
12.8 STOPPING MACHINE....372
12.9 TURNING MACHINE....373
12.10 OPERATING WORK EQUIPMENT....375
12.11 WORK WHICH CAN BE CARRIED OUT USING A MOTOR GRADER....378
12.12 PRECAUTIONS FOR OPERATION ....404
12.13 ADJUSTING WORK EQUIPMENT POSTURE....407
12.14 PARKING MACHINE....408
12.15 CHECK AFTER FINISHING WORK....409
12.16 STOPPING ENGINE....410
12.17 CHECK AFTER STOPPING ENGINE....410
12.18 LOCKING ....411
12.19 HANDLING THE TIRES....411
12.20 HANDLING BLADE ACCUMULATOR....412
12.21 HANDLING BLADE FLOAT ....414
13.TRANSPORTATION....416
13.1 LOADING, UNLOADING WORK....416
13.2 PRECAUTIONS FOR LOADING....417
13.3 PRECAUTIONS FOR TRANSPORTATION....417
14.COLD WEATHER OPERATION....418
14.1 PRECAUTIONS FOR LOW TEMPERATURE....418
14.2 CAUTIONS AFTER COMPLETION OF WORK....420
14.3 AFTER COLD WEATHER....420
15.LONG-TERM STORAGE....421
15.1 BEFORE STORAGE....421
15.2 DURING STORAGE....421
15.3 AFTER STORAGE....421
16.TROUBLESHOOTING....422
16.1 AFTER RUNNING OUT OF FUEL....422
16.2 WHEN LEANING PIPING IS DAMAGED....422
16.3 TOWING THE MACHINE....423
16.4 IF BATTERY IS DISCHARGED....427
16.5 OTHER TROUBLE....431
MAINTENANCE....439
17.GUIDES TO MAINTENANCE....440
18.OUTLINES OF SERVICE....442
18.1 HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC ....442
18.2 RELATING OF ELECTRIC SYSTEM....445
19.WEAR PARTS LIST....446
20.USE OF FUEL,COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE....447
21.STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS....451
21.1 INTRODUCTION OF NECESSARY TOOLS....451
21.2 TORQUE LIST....452
22.PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS....453
23.MAINTENANCE SCHEDULE CHART....456
23.1 MAINTENANCE SCHEDULE CHART....456
24.SERVICE PROCEDURE....460
24.1 INITIAL 250 HOURS SERVICE....460
24.2 WHEN REQUIRED....461
24.3 CHECKS BEFORE STARTING....474
24.4 EVERY 50 HOURS SERVICE....480
24.5 EVERY 250 HOURS SERVICE....481
24.6 EVERY 500 HOURS SERVICE....496
24.7 EVERY 1000 HOURS SERVICE....505
24.8 EVERY 2000 HOURS SERVICE....516
24.9 EVERY 4000 HOURS SERVICE....522
SPECIFICATIONS....523
25.SPECIFICATIONS....524
OPTIONS,ATTACHMENTS....526
26.HANDLING EMERGENCY STEERING DEVICE....527
26.1 CHECKS....527
SEAM02350100 - Motor Grader GD825A-1 Operation & Maintenance Manual....530
SEBM002308 - Motor Grader GD825A-2 Shop Manual....648
COVER....648
CONTENTS....649
01 GENERAL....694
SPECIFICATION DIMENSION DRAWINGS ....695
SPECIFICATIONS ....697
WEIGHT TABLE ....700
FUEL, COOLANT AND LUBRICANTS ....701
10 STRUCTURE AND FUNCTION....704
GENERAL ....705
POWER TRAIN DIAGRAM ....706
JOINT ....707
HYDROSHIFT TRANSMISSION AND TRANSFER PIPING....708
HYDRAULIC CIRCUIT FOR POWER TRAIN ....709
HYDRAULIC CIRCUIT DIAGRAM FOR POWER TRAIN ....710
PTO (POWER TAKE OFF) ....713
HYDROSHIFT TRANSMISSION AND TRANSFER ....715
TRANSMISSION CONTROL VALVE ....723
TRANSMISSION CONTROL ....751
INCHING CONTROL ....759
DRIVE SHAFT ....760
FINAL DRIVE, DIFFERENTIAL LOCK AND UNLOCK PIPING....761
FINAL DRIVE....763
TANDEM DRIVE ....766
STEERING PIPING ....768
STEERING CIRCUIT SYSTEM ....769
STEERING CIRCUIT DIAGRAM ....770
STEERING VALVE ....771
DOUBLE RELIEF VALVE ....775
CHECK VALVE ....776
EMERGENCY STEERING SYSTEM ....777
FRONT AXLE ....778
WHEEL ....782
DISC BRAKE ....785
PARKING BRAKE ....787
BRAKE AIR PIPING....789
BRAKE AIR CIRCUIT SYSTEM ....790
BRAKE AIR CIRCUIT DIAGRAM ....791
AIR DRIER ....792
AIR GOVERNOR ....794
AIR TANK ....796
SAFETY VALVE ....796
AUTOMATIC DRAIN VALVE ....797
CHECK VALVE ....799
BRAKE VALVE ....800
PARKING BRAKE SYSTEM ....804
PARKING BRAKE SOLENOID VALVE ....805
EXHAUST VALVE ....806
SPRING CYLINDER ....807
HYDRAULIC CONTROL PIPING ....808
HYDRAULIC CIRCUIT SYSTEM ....816
HYDRAULIC CIRCUIT DIAGRAM ....818
CLOSED CENTER LOAD SENSING SYSTEM (CLSS) ....830
HYDRAULIC PUMP ....834
PRIORITY FLOW DIVIDER VALVE ....839
SURGE PRESSURE ABSORBING VALVE ....845
HYDRAULIC CONTROL VALVE ....848
PRESSURE COMPENSATING MECHANISM OF HYDRAULIC CONTROL VALVE ....852
BLADE LIFT SPEED ADJUSTMENT MECHANISM ....858
PILOT CHECK VALVE ....860
PILOT CHECK VALVE (WITH SAFETY VALVE) ....862
CIRCLE ROTATION MOTOR ....864
BLADE ACCUMULATOR SYSTEM ....867
BLADE FLOAT SYSTEM ....869
DRAWBAR AND LIFTER ....870
BLADE ....874
LIFTER BRACKET CONTROL PIPING ....876
CIRCLE ROTATION GEAR....877
REAR MOUNT RIPPER ....879
HYDRAULIC CONTROL LINKAGE ....880
MAIN FRAME....882
AIR CONDITIONER....884
ELECTRICAL WIRING DIAGRAM....887
MONITOR PANEL, CLUSTER GAUGE AND PILOT LAMP ....892
ELECTRICAL CIRCUIT DIAGRAM....894
ELECTRONIC VEHICLE MONITORING SYSTEM (EVMS) ....922
TRANSMISSION CONTROL SYSTEM ....928
SENSORS....934
ENGINE STARTING CIRCUIT....941
ENGINE STOPPING CIRCUIT....949
20 TESTING AND ADJUSTING....956
STANDARD VALUE TABLE FOR ENGINE ....958
STANDARD VALUE TABLE FOR CHASSIS ....961
TOOL LIST FOR TESTING AND ADJUSTING ....967
TESTING AND ADJUSTING VALVE CLEARANCE ....969
MEASURING COMPRESSION PRESSURE ....970
TESTING AND ADJUSTING FUEL INJECTION TIMING ....971
MEASURING BLOW-BY PRESSURE ....975
MEASURING ENGINE OIL PRESSURE ....976
MEASURING EXHAUST GAS COLOR ....977
MEASURING EXHAUST GAS TEMPERATURE....978
MEASURING INTAKE AIR PRESSURE (BOOST PRESSURE) ....979
TESTING AND ADJUSTING BELT TENSION ....980
PROCEDURE FOR ADJUSTING THE ENGINE STOP MOTOR CABLE ....983
ADJUSTING ACCELERATOR CONTROL ....984
INCHING PEDAL TRAVEL AND OPERATING FORCE ....985
MEASURING TRANSMISSION OIL PRESSURE....986
CHECKING DIFFERENTIAL LOCKING DEVICE OIL PRESSURE ....988
STEERING SYSTEM....989
CHECKING TIRE RUNOUT ....990
CHECKING AIR PRESSURE OF TIRE ....990
CHECKING TOE-IN ....991
INSTALLATION OF ARTICULATE CENTER PINS....992
CHECKING WEAR OF BRAKE DISC ....993
CHECKING PARKING BRAKE ....993
CHECKING WORK EQUIPMENT CONTROL LEVER TRAVEL AND OPERATING FORCE ....994
CHECKING HYDRAULIC OIL TEMPERATURE ....994
CHECKING WORK EQUIPMENT HYDRAULIC PRESSURE ....995
ADJUSTING WORK EQUIPMENT HYDRAULIC PRESSURE ....995
MEASURING HYDRAULIC DRIFT ....996
CHARGING BLADE ACCUMULATOR WITH GAS ....997
ADJUSTING BLADE LIFT SPEED ....998
BLEEDING AIR FROM HYDRAULIC PUMP ....999
ADJUSTING SLIP LOAD OF CIRCLE ROTATION CLUTCH ....1000
ADJUSTING CLEARANCE OF F AND R SWITCHES ....1004
ADJUSTING SHIFT POTENTIOMETER ....1005
ADJUSTING INCHING POTENTIOMETER ....1006
ADJUSTING SPEEDOMETER MODULE OF MACHINE MONITOR ....1007
TROUBLESHOOTING....1009
POINTS TO REMEMBER WHEN TROUBLESHOOTING ....1010
SEQUENCE OF EVENTS IN TROUBLESHOOTING ....1011
HANDLING OF ELECTRIC EQUIPMENT AND HYDRAULIC COMPONENT....1012
CHECKS BEFORE TROUBLESHOOTING....1021
ELECTRICAL CIRCUIT SYSTEM DIAGRAM ....1022
CONNECTOR TYPES AND MOUNTING LOCATIONS....1038
ELECTRICAL WIRING DIAGRAM....1048
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS....1052
T- BRANCH BOX AND T- BRANCH ADAPTER TABLE....1088
METHOD OF USING TROUBLESHOOTING CHARTS....1091
DETAILS OF TROUBLESHOOTING AND TROUBLESHOOTING PROCEDURE....1093
TROUBLESHOOTING OF ENGINE (S MODE)....1097
S-1 Starting performance is poor (Starting always takes time) ....1098
S-2 Engine does not start ....1099
1) Engine does not turn....1099
2) Engine turns but no exhaust gas comes out (Fuel is not being injected)....1100
3) Exhaust gas comes out but engine does not start (Fuel is being injected)....1101
S-3 Engine does not pick up smoothly (Follow-up is poor) ....1102
S-4 Engine stops during operations ....1103
S-5 Engine does not rotate smoothly (hunting) ....1104
S-6 Engine lacks output (no power) ....1105
S-7 Exhaust gas is black (incomplete combustion) ....1106
S-8 Oil consumption is excessive (or exhaust gas is blue)....1107
S-9 Oil becomes contaminated quickly ....1108
S-10 Fuel consumption is excessive ....1109
S-11 Oil is in cooling water, or water spurts back, or water level goes down ....1110
S-12 Oil pressure lamp lights up (drop in oil pressure) ....1111
S-13 Oil level rises....1112
S-14 Water temperature becomes too high (overheating) ....1113
S-15 Abnormal noise is made....1114
S-16 Vibration is excessive....1115
TROUBLESHOOTING CHART FOR ELECTRONIC VEHICLE MONITORING SYSTEM (M MODE)....1117
M-1 WHEN STARTING SWITCH IS TURNED ON, MONITOR PANEL DISPLAY DOES NOT APPEAR....1118
M-2 WHEN STARTING SWITCH IS TURNED ON, MONITOR PANEL DISPLAY DOES NOT GO OUT....1118
M-3 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), CHECK ITEMS FLASH....1119
M-4 PREHEATING OPERATION IS NOT BEING USED BUT PREHEATING DISPLAY LIGHTS UP....1121
M-5 WHEN STARTING SWITCH IS TURNED ON AND ENGINE IS STARTED, CAUTION ITEMS FLASH (but there is no abnormality with engine or CHECK items)....1123
M-6 BUZZER DOES NOT SOUND FOR 1 MINUTE WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED) ....1129
M-7 THERE IS NO ABNORMALITY DISPLAYED ON MONITOR, BUT BUZZER SOUNDS ....1129
M-8 MONITOR PANEL LIGHTING DOES NOT LIGHT UP....1130
M-9 SERVICE METER DOES NOT MOVE AFTER ENGINE IS STARTED; SERVICE METER CONTINUES TO MOVE WHEN ENGINE IS STOPPED....1132
M-10 COOLANT TEMPERATURE GAUGE DISPLAYS ABNORMALLY LOW TEMPERATURE....1133
M-11 COOLANT TEMPERATURE GAUGE DOES NOT GIVE A DISPLAY ....1134
M-12 FUEL LEVEL GAUGE ALWAYS DISPLAYS FULL ....1135
M-13 FUEL GAUGE DOES NOT GIVE ANY DISPLAY ....1135
M-14 SPEEDOMETER DISPLAY DOES NOT WORK NORMALLY....1136
M-15 TURN SIGNAL INDICATOR PILOT LAMP DOES NOT LIGHT UP ....1137
M-16 HIGH BEAM PILOT LAMP DOES NOT LIGHT UP....1138
TROUBLESHOOTING CHART FOR ELECTRONIC (ENGINE, PARKING BRAKE, TRANSMISSION CONTROL) (E MODE)....1140
E-1 Engine does not start (starting motor works)....1141
E-2 Starting motor does not turn. ....1141
E-3 Parking brake does not work ....1146
E-4 Parking brake cannot be released ....1146
E-5 Speed range does not change when transmission lever is switched between F1and F8 or between R1and R8 ....1148
E-6 Transmission does not shift to 1st (F and R). ....1154
E-7 Transmission does not shift to 2nd (F and R). ....1154
E-8 Transmission does not shift to 3rd (F and R). ....1154
E-9 Transmission does not shift to 4th (F and R). ....1155
E-10 Transmission does not shift to 5th (F and R). ....1155
E-11 Transmission does not shift to 6th (F and R). ....1155
E-12 Transmission does not shift to 7th (F and R). ....1156
E-13 Transmission does not shift to 8th (F and R). ....1156
TROUBLESHOOTING OF TRANSMISSION CONTROLLER SYSTEM (ET MODE)....1157
LED DISPLAY FOR TRANSMISSION CONTROLLER....1158
ET-1 [A1] (Short circuit in 1st solenoid) is displayed ....1164
ET-2 [A2] (Short circuit in 2nd solenoid) is displayed ....1165
ET-3 [A3} (Short circuit in 3rd solenoid) is displayed....1166
ET-4 [A4] (Short circuit in 4th solenoid) is displayed ....1167
ET-5 [A5] (Short circuit in High/Low solenoid) is displayed ....1168
ET-6 [A7] (Short circuit in FORWARD/REVERSE solenoid) is displayed ....1170
ET-7 [b1] (Disconnection in 1st solenoid) is displayed ....1172
ET-8 [b2] (Disconnection in 2nd solenoid) is displayed ....1173
ET-9 [b3] (Disconnection in 3rd solenoid) is displayed ....1174
ET-10 [b4] (Disconnection in 4th solenoid) is displayed ....1175
ET-11 [b5] (Disconnection in Low solenoid) is displayed ....1176
ET-12 [b6] (Disconnection in High solenoid) is displayed ....1177
ET-13 [b7] (Disconnection in FORWARD solenoid) is displayed ....1178
ET-14 [b8] (Disconnection in REVERSE solenoid) is displayed ....1179
ET-15 [c1] (Disconnection in inching potentiometer) is displayed ....1180
ET-16 [c2] (Failure in shift potentiometer 1) is displayed ....1181
ET-17 (Failure in shift potentiometer 2) is displayed ....1182
ET-18 [d1] (Failure in F and R switches) is displayed ....1183
ET-19 [d4] (Disconnection in engine speed sensor) is displayed ....1185
ET-20 [d5] (Disconnection in speed sensor) is displayed ....1186
ET-21 [d6] (Failure in transmission oil temperature sensor) is displayed ....1187
ET-22 [E0] (Drop in power source voltage) is displayed ....1188
ET-23 [E1] (Short circuit in parking brake) is displayed ....1190
ET-24 [E2] or [F2] (Short circuit, disconnection in parking brake lamp) is displayed ....1191
ET-25 [E3] or [F3] (Shot-t circuit, disconnection in differential lock relay) is displayed ....1192
ET-26 [E4] or [F4] (Short circuit, disconnection in backup buzzer relay) is displayed ....1194
ET-27 [E5} or {F5] (Short circuit, disconnection in caution lamp) is displayed ....1196
ET-28 [E6] or [F6] (Short circuit, disconnection in alarm buzzer relay) is displayed ....1197
ET-29 [E7] or [F7] (Short circuit, disconnection in starting motor relay) is displayed ....1199
ET-30 [F1] (Disconnection in parking brake) is displayed ....1201
TROUBLESHOOTING CHART FOR HYDRAULIC SYSTEM (H MODE)....1209
STANDARDS FOR MEASURING HYDRAULIC PRESSURE, AND JUDGEMENT VALUES....1210
TABLE OF FAILURE MODES AND CAUSES....1212
HYDRAULIC PRESSURE MEASUREMENT AND FILTER MOUNTING POSITIONS....1214
H-1 Abnormal noise is made (from around pump). ....1216
H-2 Relief sound is heard (when not operating). ....1216
H-3 Hydraulic oil overheats (when not operating). ....1216
H-4 Work equipment does not move when control lever is operated (steering at neutral). ....1217
H-5 Work equipment is slow, lacks power. ....1218
H-6 There is excessive hydraulic drift of work equipment. ....1219
H-7 Steering wheel does not turn (work equipment at neutral). ....1219
H-8 Turning speed is slow, lacks power (work equipment at neutral). ....1220
H-9 Feeling when operating steering wheel is strange. ....1220
30 DISASSEMBLY AND ASSEMBLY....1221
HOW TO READ THIS MANUAL....1223
COATING MATERIALS LIST....1225
SPECIAL TOOL LIST ....1228
STARTING MOTOR....1230
REMOVAL AND INSTALLATION....1230
ALTERNATOR....1230
REMOVAL AND INSTALLATION....1230
NOZZLE HOLDER....1232
REMOVAL AND INSTALLATION....1232
FUEL INJECTION PUMP....1233
REMOVAL AND INSTALLATION....1233
WATER PUMP....1234
REMOVAL....1234
INSTALLATION ....1235
ENGINE OIL COOLER CORE ....1236
REMOVAL AND INSTALLATION ....1236
TURBOCHARGER....1237
REMOVAL AND INSTALLATION ....1237
AIR COMPRESSOR....1238
REMOVAL AND INSTALLATION ....1238
CYLINDER HEAD ....1239
REMOVAL....1239
INSTALLATION....1243
ENGINE (INCL. TRANSMISSION) ....1246
REMOVAL....1246
INSTALLATION....1253
RADIATOR....1261
REMOVAL....1261
INSTALLATION....1263
FUEL TANK ....1265
REMOVAL....1265
INSTALLATION....1266
PTO....1268
DISASSEMBLY....1268
ASSEMBLY....1273
TRANSMISSION....1278
REMOVAL....1278
INSTALLATION....1282
DISASSEMBLY....1286
ASSEMBLY....1294
TRANSFER....1309
DISASSEMBLY....1309
ASSEMBLY ....1312
TRANSMISSION CONTROL VALVE....1316
DISASSEMBLY....1316
ASSEMBLY....1318
HYDROSHIFT TRANSMISSION PUMP....1320
REMOVAL AND INSTALLATION....1320
TANDEM AND FINAL DRIVE....1321
REMOVAL....1321
INSTALLATION....1323
FINAL DRIVE....1325
DISASSEMBLY....1325
ASSEMBLY....1334
BEVEL GEAR....1346
DISASSEMBLY ....1352
ASSEMBLY....1349
BEVEL PINION....1352
DISASSEMBLY....1352
ASSEMBLY....1353
FRONT AXLE ....1354
REMOVAL....1354
INSTALLATION ....1356
DISASSEMBLY....1358
ASSEMBLY....1361
STEERING VALVE ....1366
DISASSEMBLY....1366
ASSEMBLY ....1369
WHEEL BRAKE....1373
DISASSEMBLY....1373
ASSEMBLY....1375
AIR TANK ....1378
REMOVAL AND INSTALLATION....1378
HYDRAULIC TANK ....1379
REMOVAL AND INSTALLATION....1379
HYDRAULIC PUMP ....1380
REMOVAL....1380
INSTALLATION....1381
DISASSEMBLY ....1383
ASSEMBLY ....1397
HYDRAULIC CONTROL VALVE ....1420
REMOVAL....1420
INSTALLATION....1421
MAIN CONTROL VALVE ....1423
DISASSEMBLY....1423
ASSEMBLY....1425
CIRCLE ROTATION MOTOR ....1427
DISASSEMBLY....1427
ASSEMBLY....1430
DRAWBAR SHIFT CYLINDER, BLADE LIFT CYLINDER, LIFTER GUIDE....1446
REMOVAL....1446
INSTALLATION....1448
ARTICULATE CYLINDER....1450
REMOVAL AND INSTALLATION ....1450
REAR MOUNT RIPPER CYLINDER....1451
REMOVAL AND INSTALLATION....1451
HYDRAULIC CYLINDER Serial No.: 11001 - 12502....1452
DISASSEMBLY....1452
ASSEMBLY....1454
HYDRAULIC CYLINDER Serial No.: 12503 and up....1457
DISASSEMBLY....1457
ASSEMBLY....1461
CIRCLE ROTATION GEAR AND HYDRAULIC OIL MOTOR ....1465
REMOVAL....1465
INSTALLATION....1466
DISASSEMBLY....1469
ASSEMBLY....1472
BLADE....1484
REMOVAL AND INSTALLATION....1484
CIRCLE AND DRAWBAR....1487
REMOVAL AND INSTALLAITON....1487
DISASSEMBLY....1488
ASSEMBLY....1490
REAR MOUNT RIPPER....1501
REMOVAL....1501
INSTALLATION....1502
METHOD LIFTING UP ROPS CAB....1503
INSTALLATION OF ROPS....1505
ROPS CAB....1506
REMOVAL....1506
INSTALLATION....1510
DISCONNECTION AND CONNECTION OF ARTICULATE SECTION Serial No.: 11001 - 12502....1515
Disconnection....1515
Connection....1518
DISCONNECTION AND CONNECTION OF ARTICULATE SECTION Serial No.: 12503 and up....1520
Disconnection....1520
Connection....1523
40 MAINTENANCE STANDARD....1526
HYDROSHIFT TRANSMISSION AND TRANSFER....1527
TRANSMISSION PUMP ....1531
TRANSMISSION CONTROL VALVE ....1533
TRANSMISSION SOLENOID VALVE ....1539
FINAL DRIVE ....1542
DIFFERENTIAL LOCK-UP PUMP ....1543
TANDEM DRIVE....1544
FRONT AXLE ....1545
STEERING CYLINDER....1549
DISC BRAKE....1550
PARKING BRAKE....1551
SPRING CYLINDER ....1552
HYDRAULIC CONTROL VALVE ....1553
HYDRAULIC CYLINDER....1557
HYDRAULIC PUMP ....1561
DRAWBAR AND LIFTER ....1563
BLADE ....1567
CIRCLE ROTATION GEAR....1569
RIPPER....1571
FRAME ....1572
SEBM02350106 - Motor Grader GD825A-1 Shop Manual....1574
TEN00012-00 - Motor Grader GD825A-2 Operation & Maintenance Manual....2182
COVER....2182
FOREWORD....2183
FOREWORD....2184
SAFETY INFORMATION....2187
INTENDED USE....2189
DIRECTIONS OF MACHINE....2189
LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND....2190
PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE....2190
ENGINE SERIAL NO. PLATE POSITION....2190
SERVICE METER POSITION....2191
TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR....2191
CONTENTS....2192
SAFETY....2195
SAFETY INFORMATION....2196
SAFETY LABELS....2198
POSITION FOR ATTACHING SAFETY LABELS....2199
SAFETY LABELS....2200
GENERAL PRECAUTIONS....2206
SAFETY RULES....2206
IF ABNORMALITIES ARE FOUND....2206
CLOTHING AND PERSONAL PROTECTIVE ITEMS....2206
FIRE EXTINGUISHER AND FIRST AID KIT....2206
SAFETY FEATURES....2206
KEEP MACHINE CLEAN....2207
INSIDE OPERATOR'S COMPARTMENT....2207
ALWAYS APPLY LOCK WHEN LEAVING OPERATOR'S SEAT....2207
HANDRAILS AND STEPS....2208
MOUNTING AND DISMOUNTING....2208
DO NOT GET CAUGHT IN ARTICULATED PORTION....2209
PREVENTION OF BURNS....2209
FIRE PREVENTION....2210
ACTION IF FIRE OCCURS....2210
WINDOW WASHER LIQUID....2211
PRECAUTIONS WHEN USING ROPS (Roll Over Protective Structure)....2211
PRECAUTIONS FOR ATTACHMENTS....2211
UNAUTHORIZED MODIFICATION....2211
SAFETY AT WORKSITE....2212
WORKING ON LOOSE GROUND....2212
DO NOT GO CLOSE TO HIGH-VOLTAGE CABLES....2212
ENSURE GOOD VISIBILITY....2213
VENTILATION FOR ENCLOSED AREAS....2213
CHECKING SIGNALMAN'S SIGNALS AND SIGNS....2213
EMERGENCY ESCAPE FROM OPERATOR'S CAB....2213
ASBESTOS DUST HAZARD PREVENTION....2213
PRECAUTIONS DURING OPERATION....2214
STARTING ENGINE....2214
CHECKS BEFORE STARTING ENGINE, ADJUST....2214
PRECAUTIONS WHEN STARTING....2214
PRECAUTIONS IN COLD AREAS....2215
OPERATION....2216
CHECKS BEFORE STARTING OPERATION....2216
PRECAUTIONS BEFORE MOVING OFF....2216
PRECAUTIONS WHEN TRAVELING....2217
PRECAUTIONS WHEN TRAVELING ON SLOPES....2218
PRECAUTIONS WHEN OPERATIONS ON SLOPES....2218
PROHIBITED OPERATIONS....2218
PRECAUTIONS WHEN OPERATING....2218
OPERATE CAREFULLY ON SNOW....2219
PARKING MACHINE....2219
TRANSPORTATION....2220
LOADING AND UNLOADING....2220
SHIPPING....2220
BATTERY....2221
BATTERY HAZARD PREVENTION....2221
STARTING WITH BOOSTER CABLES....2222
TOWING....2223
WHEN TOWING....2223
PRECAUTIONS FOR MAINTENANCE....2224
WARNING TAG....2224
KEEP WORK PLACE CLEAN AND TIDY....2224
APPOINT LEADER WHEN WORKING WITH OTHERS....2224
STOP ENGINE BEFORE CARRYING OUT INSPECTION AND MAINTENANCE....2225
TWO WORKERS FOR MAINTENANCE WHEN ENGINE IS RUNNING....2226
PROPER TOOLS....2226
ACCUMULATOR....2227
PERSONNEL....2227
ATTACHMENTS....2227
WORK UNDER THE MACHINE....2227
NOISE....2227
PRECAUTIONS WHEN USING HAMMER....2228
REPAIR WELDING....2228
REMOVING BATTERY TERMINAL....2228
PROHIBITED TO DISASSEMBLE BANK CONTROL LOCK PIN....2228
PRECAUTIONS WITH HIGH-PRESSURE OIL....2228
HANDLING HIGH-PRESSURE HOSES....2229
WASTE MATERIALS....2229
MAINTENANCE OF AIR CONDITIONER....2229
COMPRESSED AIR....2229
PERIODIC REPLACEMENT OF SAFETY-CRITICAL PARTS....2229
PRECAUTIONS WITH TIRES....2230
HANDLING TIRES....2230
PRECAUTIONS WHEN STORING TIRE....2230
OPERATIONS....2231
GENERAL VIEW....2232
GENERAL VIEW OF MACHINE....2232
GENERAL VIEW OF CONTROLS AND GAUGES....2233
EXPLANATION OF COMPONENTS....2236
MONITOR PANEL....2236
METERS AND LAMPS....2249
SWITCHES....2250
CONTROL LEVERS, PEDALS....2259
DUST INDICATOR....2268
ARTICULATE LOCK PIN....2268
FUSE BOX....2269
OPERATOR'S CAB LIFT MECHANISM....2270
BACKUP ALARM....2270
FRONT GLASS....2271
TOOL BAG....2272
STORAGE BOX....2272
QUICK-FILL FUEL FILLER....2272
OPERATION....2273
CHECK BEFORE STARTING ENGINE....2273
STARTING ENGINE....2288
OPERATIONS, CHECKS AFTER STARTING ENGINE....2291
STOPPING ENGINE....2293
CHECK AFTER STOPPING ENGINE....2293
TRAVELING POSTURE FOR MACHINE....2294
MOVING MACHINE OFF (FORWARD, REVERSE, SHIFTING GEAR), STOPPING....2295
TURNING MACHINE....2301
OPERATING WORK EQUIPMENT....2303
WORK WHICH CAN BE CARRIED OUT USING A MOTOR GRADER....2308
PRECAUTIONS WHEN OPERATION....2336
ADJUSTING WORK EQUIPMENT POSTURE....2340
PARKING MACHINE....2341
CHECKS AFTER COMPLETION OF OPERATION....2343
LOCKING....2343
HANDLING THE TIRES....2344
HANDLING BLADE ACCUMULATOR....2345
HANDLING BLADE FLOAT....2347
TRANSPORTATION....2349
LOADING, UNLOADING WORK....2349
PRECAUTIONS FOR LOADING....2350
COLD WEATHER OPERATION....2351
PRECAUTIONS FOR LOW TEMPERATURE....2351
CAUTIONS AFTER COMPLETION OF WORK....2352
AFTER COLD WEATHER....2352
LONG-TERM STORAGE....2353
BEFORE STORAGE....2353
DURING STORAGE....2353
AFTER STORAGE....2353
TROUBLESHOOTING....2354
AFTER RUNNING OUT OF FUEL....2354
WHEN LEANING PIPING IS DAMAGED....2354
TOWING THE MACHINE....2355
IF BATTERY IS DISCHARGED....2358
OTHER TROUBLE....2361
TRANSMISSION CONTROLLER....2366
MAINTENANCE....2371
GUIDES TO MAINTENANCE....2372
OUTLINES OF SERVICE....2374
HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC....2374
RELATING TO ELECTRIC SYSTEM....2376
WEAR PARTS....2377
WEAR PARTS LIST....2377
USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO....2378
STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS....2382
TORQUE LIST....2382
PERIODIC REPLACEMENT OF CRITICAL PARTS....2383
CRITICAL PARTS....2383
MAINTENANCE SCHEDULE CHART....2384
MAINTENANCE SCHEDULE CHART....2384
SERVICE PROCEDURE....2386
INITIAL 250 HOURS SERVICE (only after the first 250 hours)....2386
REPLACE FUEL FILTER CARTRIDGE....2411
CHANGE OIL IN TRANSMISSION CASE....2421
CHANGE OIL IN FINAL DRIVE CASE....2422
CHANGE OIL IN CIRCLE REVERSE GEAR CASE....2428
CHANGE OIL IN HYDRAULIC TANK....2424
REPLACE RETURN FILTER ELEMENT AND CLEAN SUCTION STRAINER IN HYDRAULIC TANK....2423
CHANGE OIL IN TANDEM DRIVE CASE....2429
CHECK CIRCLE GUIDE CLEARANCE, ADJUST....2413
CHECK, ADJUST SLIP LOAD FOR DRY-TYPE CLUTCH FOR BLADE ROTATION GEAR....2417
CHECK ENGINE VALVE CLEARANCE, ADJUST....2431
WHEN REQUIRED....2387
CLEAN INSIDE OF COOLING SYSTEM....2387
CHECK, CLEAN AND REPLACE AIR CLEANER ELEMENT....2389
CHECK ELECTRICAL INTAKE AIR HEATER....2391
REVERSE AND REPLACE THE END BITS AND CUTTING EDGES....2391
REPLACING RIPPER POINT....2392
CHECK INCHING PEDAL....2392
CLEAN ELEMENT OF AIR CONDITIONER FRESH AIR FILTER....2392
CLEAN ELEMENT OF AIR CONDITIONER RECIRCULATION AIR FILTER....2393
CHECK REFRIGERANT (GAS) LEVEL....2394
SELECTION AND INSPECTION OF TIRES....2394
INSPECTING CORROSION, WEAR OF WHEEL RIM, LOCK RING, SIDE RING....2395
CHECK BEFORE STARTING....2396
EVERY 50 HOURS SERVICE....2397
LUBRICATING....2397
INSPECT WEAR OF BLADE GUIDE....2397
EVERY 250 HOURS SERVICE....2398
LUBRICATING....2398
CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE....2400
CHECK OIL LEVEL IN TRANSMISSION CASE, ADD OIL....2401
CHECK OIL LEVEL IN FINAL DRIVE CASE, ADD OIL....2402
CHECK OIL LEVEL IN TANDEM DRIVE CASE, ADD OIL....2402
CHECK OIL LEVEL IN CIRCLE REVERSE GEAR CASE, ADD OIL....2403
CHECK OIL LEVEL IN HYDRAULIC TANK, ADD OIL....2403
CHECK LEVEL OF BATTERY ELECTROLYTE....2404
CHECK BALL JOINT CLEARANCE, ADJUST....2406
CHECK AND TIGHTEN WHEEL HUB NUT AND HUB BOLT....2406
CHECK FAN BELT TENSION, ADJUST....2407
CHECK ALTERNATOR BELT TENSION, ADJUST....2408
CHECK AIR CONDITIONER BELT TENSION, ADJUST....2409
CHECK, ADJUST FOOT BRAKE....2410
EVERY 500 HOURS SERVICE....2411
REPLACE FUEL FILTER CARTRIDGE....2411
CLEAN, CHECK RADIATOR FINS....2412
CHECK CIRCLE GUIDE CLEARANCE, ADJUST....2413
CHECK PARKING BRAKE LEVEL STROKE, ADJUST....2416
CHECK, ADJUST SLIP LOAD FOR DRY-TYPE CLUTCH FOR BLADE ROTATION GEAR....2417
EVERY 1000 HOURS SERVICE....2419
GREASE DRIVE SHAFT....2419
GREASE FAN PULLEY AND TENSION PULLEY....2419
REPLACE TRANSMISSION OIL FILTER ELEMENT....2420
CHANGE OIL IN TRANSMISSION CASE, CLEAN STRAINER....2421
CHANGE OIL IN FINAL DRIVE CASE, CLEAN STRAINER....2422
REPLACE RETURN FILTER ELEMENT AND CLEAN SUCTION STRAINER IN HYDRAULIC TANK....2423
CHANGE OIL IN HYDRAULIC TANK....2424
CHECK LOOSENESS IN DRAWBAR FRONT BALL JOINT AND BALL STUD....2425
CHECK TOE-IN, ADJUST....2425
CHECK FRONT WHEEL BEARING PLAY, ADJUST....2426
REPLACE CORROSION RESISTOR CARTRIDGE....2427
CHECK FOR LOOSE ROPS MOUNT BOLTS....2427
REPLACING AIR DRYER DESICCANT....2427
EVERY 2000 HOURS SERVICE....2428
CHANGE OIL IN FRONT WHEEL BEARING....2428
CHANGE OIL IN CIRCLE REVERSE GEAR CASE....2428
CHANGE OIL IN TANDEM DRIVE CASE....2429
CLEAN ENGINE BREATHER ELEMENT....2429
CLEAN BREATHER....2430
CLEAN AND INSPECT INCHING POTENTIOMETER SENSOR....2431
CHECK ALTERNATOR, STARTING MOTOR....2431
CHECK ENGINE VALVE CLEARANCE, ADJUST....2431
CHECK ALL TIGHTENING PARTS OF TURBOCHARGER....2431
CHECK PLAY OF TURBOCHARGER ROTOR....2431
CLEAN, CHECK TURBOCHARGER....2431
EVERY 4000 HOURS SERVICE....2432
CHECK WATER PUMP....2432
CHECK VIBRATION DAMPER....2432
CHECK FAN PULLEY AND TENSION PULLEY....2432
SPECIFICATIONS....2433
SPECIFICATIONS....2434
ATTACHMENTS, OPTIONS....2437
HANDLING EMERGENCY STEERING DEVICE....2438
CHECKING....2438
AIR CONDITIONER....2439
LOCATIONS AND FUNCTIONS OF CONTROL PANEL....2439
METHOD OF OPERATION....2441
PRECAUTIONS WHEN USING....2441
HANDLING AIR-SUSPENSION SEAT....2442
ADJUST OPERATOR'S SEAT....2442
INDEX....2445
TEN00334-02 - Motor Grader GD825A-2 Operation & Maintenance Manual....2449
COVER....2449
FOREWORD....2450
FOREWORD....2451
SAFETY INFORMATION....2452
INTENDED USE....2454
DIRECTIONS OF MACHINE....2454
LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR....2455
PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE....2455
ENGINE SERIAL NO. PLATE POSITION....2455
SERVICE METER POSITION....2456
TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR....2456
CONTENTS....2457
SAFETY....2460
SAFETY INFORMATION....2461
SAFETY LABELS....2463
POSITION FOR ATTACHING SAFETY LABELS....2464
SAFETY LABELS....2465
GENERAL PRECAUTIONS....2471
PRECAUTIONS DURING OPERATION....2479
STARTING ENGINE....2479
OPERATION....2481
TRANSPORTATION....2485
BATTERY....2486
TOWING....2488
PRECAUTIONS FOR MAINTENANCE....2489
PRECAUTIONS WITH TIRES....2495
OPERATION....2496
GENERAL VIEW....2497
GENERAL VIEW OF MACHINE....2497
GENERAL VIEW OF CONTROLS AND GAUGES....2498
EXPLANATION OF COMPONENTS....2501
MONITOR PANEL....2501
METERS AND LAMPS....2514
SWITCHES....2515
CONTROL LEVERS, PEDALS....2524
DUST INDICATOR....2533
ARTICULATE LOCK PIN....2533
FUSE BOX....2534
OPERATOR'S CAB LIFT MECHANISM....2536
BACKUP ALARM....2536
FRONT GLASS....2537
TOOL BAG....2538
STORAGE BOX....2538
QUICK-FILL FUEL FILLER....2538
OPERATION....2539
CHECK BEFORE STARTING ENGINE....2539
STARTING ENGINE....2554
OPERATIONS, CHECKS AFTER STARTING ENGINE....2557
STOPPING ENGINE....2559
CHECK AFTER STOPPING ENGINE....2559
TRAVELING POSTURE FOR MACHINE....2560
MOVING MACHINE OFF (FORWARD, REVERSE, SHIFTING GEAR), STOPPING....2561
TURNING MACHINE....2567
OPERATING WORK EQUIPMENT....2569
WORK WHICH CAN BE CARRIED OUT USING A MOTOR GRADER....2574
PRECAUTIONS WHEN OPERATION....2602
ADJUSTING WORK EQUIPMENT POSTURE....2606
PARKING MACHINE....2607
CHECKS AFTER COMPLETION OF OPERATION....2609
LOCKING....2609
HANDLING THE TIRES....2610
HANDLING BLADE ACCUMULATOR....2611
HANDLING BLADE FLOAT....2613
TRANSPORTATION....2615
STEPS FOR TRANSPORTATION....2615
LOADING, UNLOADING WORK....2615
PRECAUTIONS FOR LOADING....2616
COLD WEATHER OPERATION....2617
PRECAUTIONS FOR LOW TEMPERATURE....2617
CAUTIONS AFTER COMPLETION OF WORK....2618
AFTER COLD WEATHER....2618
LONG-TERM STORAGE....2619
BEFORE STORAGE....2619
DURING STORAGE....2619
AFTER STORAGE....2619
TROUBLESHOOTING....2620
AFTER RUNNING OUT OF FUEL....2620
WHEN LEANING PIPING IS DAMAGED....2620
TOWING THE MACHINE....2621
IF BATTERY IS DISCHARGED....2624
OTHER TROUBLE....2627
TRANSMISSION CONTROLLER....2632
MAINTENANCE....2636
GUIDES TO MAINTENANCE....2637
OUTLINES OF SERVICE....2639
HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC....2639
RELATING TO ELECTRIC SYSTEM....2642
WEAR PARTS....2643
WEAR PARTS LIST....2643
USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE....2644
STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS....2649
TORQUE LIST....2649
PERIODIC REPLACEMENT OF CRITICAL PARTS....2650
CRITICAL PARTS....2650
MAINTENANCE SCHEDULE CHART....2651
MAINTENANCE SCHEDULE CHART....2651
SERVICE PROCEDURE....2653
INITIAL 250 HOURS SERVICE (only after the first 250 hours)....2653
WHEN REQUIRED....2654
CHECK BEFORE STARTING....2664
EVERY 50 HOURS SERVICE....2665
EVERY 250 HOURS SERVICE....2666
EVERY 500 HOURS SERVICE....2679
EVERY 1000 HOURS SERVICE....2687
EVERY 2000 HOURS SERVICE....2696
EVERY 4000 HOURS SERVICE....2700
SPECIFICATIONS....2702
SPECIFICATIONS....2703
ATTACHMENTS, OPTIONS....2706
HANDLING EMERGENCY STEERING DEVICE....2707
CHECKING....2707
AIR CONDITIONER....2708
LOCATIONS AND FUNCTIONS OF CONTROL PANEL....2708
METHOD OF OPERATION....2710
PRECAUTIONS WHEN USING....2710
HANDLING AIR-SUSPENSION SEAT....2711
ADJUST OPERATOR'S SEAT....2711
INDEX....2714
Komatsu Motor Grader GD825A Repair Service Manuals
