KOMATSU PC300-8M2 PC300LC-8M2 PC350-8M2 PC350LC-8M2 PC360-8M2 PC360LC-8M2E HYDRAULIC EXCAVATOR SHOP MANUAL SEN06931-01 – PDF DOWNLOAD

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KOMATSU PC300-8M2 PC300LC-8M2 PC350-8M2 PC350LC-8M2 PC360-8M2 PC360LC-8M2E HYDRAULIC EXCAVATOR SHOP MANUAL SEN06931-01 – PDF DOWNLOAD

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DESCRIPTION:

KOMATSU PC300-8M2 PC300LC-8M2 PC350-8M2 PC350LC-8M2 PC360-8M2 PC360LC-8M2E HYDRAULIC EXCAVATOR SHOP MANUAL SEN06931-01 – PDF DOWNLOAD

SERIAL NUMBERS
PC300- 83184 and up
PC350- 83184 and up
PC360- 83184 and up
FOREWORD, SAFETY, BASIC INFORMATION:
• Some of the attachments and options described in this shop manual may not be available in some areas. If
they are required, consult your Komatsu distributor.
• The materials and specifications are subject to change without notice.
• Shop Manuals are available for “machine part” and “engine part”. For the engine unit, see the shop manual
for the machine which has the same engine model.
• Actual machine may differ from the images which are contained in this manual. A typical model is shown in
the illustrations of this shop manual.

TABLE OF CONTENTS:

KOMATSU PC300-8M2 PC300LC-8M2 PC350-8M2 PC350LC-8M2 PC360-8M2 PC360LC-8M2E HYDRAULIC EXCAVATOR SHOP MANUAL SEN06931-01 – PDF DOWNLOAD

00 INDEX AND FOREWORD 00-1
ABBREVIATION LIST 00-14
FOREWORD, SAFETY, BASIC INFORMATION 00-17
HOW TO READ THE SHOP MANUAL 00-17
SAFETY NOTICE FOR OPERATION 00-19
PRECAUTIONS TO PREVENT FIRE 00-27
ACTIONS IF FIRE OCCURS 00-28
PRECAUTIONS WHEN YOU DISPOSE OF WASTE MATERIALS 00-29
PRECAUTIONS FOR HANDLING HYDRAULIC EQUIPMENT 00-30
PRECAUTIONS WHEN YOU DISCONNECT AND CONNECT PIPINGS 00-33
PRECAUTIONS WHEN YOU HANDLE ELECTRICAL EQUIPMENT 00-40
PRECAUTIONS FOR HANDLING FUEL SYSTEM EQUIPMENT 00-42
PRECAUTIONS FOR HANDLING INTAKE SYSTEM EQUIPMENT 00-43
PRACTICAL USE OF KOMTRAX 00-44
DISCONNECT AND CONNECT PUSH-PULL TYPE COUPLER 00-45
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF CONNECTORS 00-49
METHOD FOR DISCONNECTING AND CONNECTING DEUTSCH CONNECTOR 00-53
METHOD FOR DISCONNECTING AND CONNECTING SLIDE LOCK TYPE CONNECTOR 00-54
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PULL 00-56
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PUSH 00-57
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH HOUSING TO ROTATE
00-59
HOW TO READ ELECTRICAL WIRE CODE 00-60
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD 00-64
STANDARD TIGHTENING TORQUE TABLE 00-67
CONVERSION TABLE 00-74
01 SPECIFICATION 01-1
CONTENTS 01-2
SPECIFICATIONS 01-3
SPECIFICATION DRAWING 01-3
WORKING RANGE DRAWINGS 01-8
SPECIFICATIONS 01-14
WEIGHT TABLE 01-31
FUEL, COOLANT, LUBRICANT 01-39
10 STRUCTURE AND FUNCTION 10-1
CONTENTS 10-2
BOOT-UP SYSTEM 10-5
LAYOUT DRAWING OF BOOT-UP SYSTEM 10-5
SYSTEM OPERATING LAMP SYSTEM 10-6
BATTERY DISCONNECT SWITCH 10-7
ENGINE SYSTEM 10-8
LAYOUT DRAWING OF ENGINE SYSTEM 10-8
ENGINE CONTROL SYSTEM 10-10
AUTO-DECELERATION SYSTEM 10-12
ENGINE AUTOMATIC WARM-UP SYSTEM 10-14
OVERHEAT PREVENTION SYSTEM 10-15
TURBOCHARGER PROTECTION SYSTEM 10-17
COOLING SYSTEM 10-18
LAYOUT DRAWING OF COOLING SYSTEM 10-18
CONTROL SYSTEM 10-19
LAYOUT DRAWING OF CONTROL SYSTEM 10-19
MACHINE MONITOR SYSTEM 10-21
KOMTRAX SYSTEM 10-23
CONTROL SYSTEM 10-24
HYDRAULIC SYSTEM 10-49
LAYOUT DRAWING OF HYDRAULIC SYSTEM 10-49
INDEX 00 INDEX AND FOREWORD
00-2 PC300-8M2, PC300LC-8M2, PC350-8M2, PC350LC-8M2, PC360-8M2, PC360LC-8M2
CLSS 10-52
ENGINE AND PUMP COMBINED CONTROL SYSTEM 10-69
PUMP AND VALVE CONTROL SYSTEM 10-75
HYDRAULIC SYSTEM 10-77
WORK EQUIPMENT SYSTEM 10-159
LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM 10-159
ONE-TOUCH POWER MAXIMIZING SYSTEM 10-163
MACHINE PUSH-UP SYSTEM10-165
PPC LOCK SYSTEM 10-167
ATTACHMENT OIL FLOW ADJUSTER SYSTEM 10-169
WORK EQUIPMENT SYSTEM 10-170
SWING SYSTEM 10-189
LAYOUT DRAWING OF SWING SYSTEM 10-189
SYSTEM DIAGRAM OF SWING CONTROL SYSTEM 10-191
SWING SYSTEM 10-193
TRAVEL SYSTEM10-205
LAYOUT DRAWING OF TRAVEL SYSTEM 10-205
SYSTEM DIAGRAM OF TRAVEL CONTROL SYSTEM10-207
TRAVEL SYSTEM 10-209
UNDERCARRIAGE AND FRAME10-229
LAYOUT DRAWING OF UNDERCARRIAGE 10-229
WORK EQUIPMENT10-231
STRUCTURE OF WORK EQUIPMENT 10-231
WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM10-232
BUCKET CLEARANCE ADJUSTMENT SHIM 10-233
CAB RELATED PARTS10-234
ROPS CAB 10-234
CAB MOUNT 10-235
CAB TIPPING STOPPER 10-237
20 STANDARD VALUE TABLE 20-1
CONTENTS 20-2
STANDARD VALUE TABLE FOR ENGINE 20-3
STANDARD VALUE TABLE FOR ENGINE: PC300,300LC-8M2/PC350,350LC-8M2/PC360,360LC-8M2
20-3
STANDARD VALUE TABLE FOR MACHINE 20-6
STANDARD VALUE TABLE FOR MACHINE: PC300,300LC-8M2/PC350,350LC-8M2/
PC360,360LC-8M2 20-6
MACHINE POSTURE AND PROCEDURES TO MEASURE PERFORMANCE 20-18
30 TESTING AND ADJUSTING 30-1
CONTENTS 30-2
RELATED INFORMATION ON TESTING AND ADJUSTING 30-5
TOOLS FOR TESTING AND ADJUSTING 30-5
SKETCH OF TOOLS FOR TESTING AND ADJUSTING 30-10
ENGINE AND COOLING SYSTEM30-11
TEST ENGINE SPEED 30-11
Test boost pressure 30-14
TEST EXHAUST GAS COLOR 30-17
TEST AND ADJUST VALVE CLEARANCE 30-20
TEST COMPRESSION PRESSURE 30-23
TEST BLOWBY PRESSURE 30-28
TEST ENGINE OIL PRESSURE 30-31
TEST FUEL PRESSURE 30-33
TEST FUEL RETURN RATE AND LEAKAGE 30-39
BLEED AIR FROM FUEL SYSTEM 30-43
Test fuel system for leakage 30-44
CYLINDER CUT-OUT MODE OPERATION 30-46
NO-INJECTION CRANKING OPERATION 30-47
TEST AND ADJUST AIR CONDITIONER COMPRESSOR BELT TENSION 30-48
00 INDEX AND FOREWORD INDEX
PC300-8M2, PC300LC-8M2, PC350-8M2, PC350LC-8M2, PC360-8M2, PC360LC-8M2 00-3
POWER TRAIN 30-49
Test swing circle bearing clearance 30-49
UNDERCARRIAGE AND FRAME 30-50
Test and adjust track shoe tension 30-50
HYDRAULIC SYSTEM 30-52
RELEASE REMAINING PRESSURE FROM HYDRAULIC SYSTEM 30-52
TEST AND ADJUST OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS
30-57
TEST OIL PRESSURE OF CONTROL CIRCUIT 30-68
Test and adjust oil pressure in pump PC control circuit 30-70
Test and adjust oil pressure in pump LS control circuit 30-74
Test outlet pressure of solenoid valve 30-80
Test PPC valve outlet pressure 30-84
Adjust play of work equipment and swing PPC valve 30-87
Test parts causing hydraulic drift in work equipment 30-88
TEST OIL LEAKAGE 30-90
Bleed air from hydraulic system 30-95
CAB RELATED PARTS30-100
Test cab tipping stopper 30-100
METHOD FOR ADJUSTING MIRRORS 30-101
ELECTRICAL SYSTEM 30-107
SET AND OPERATE MACHINE MONITOR30-107
START UP KOMTRAX SYSTEM (MACHINE WITH GATEWAY FUNCTION CONTROLLER)30-164
STOP USING OF KOMTRAX SYSTEM (MACHINE WITH GATEWAY FUNCTION CONTROLLER)
30-170
Adjust rearview camera angle 30-172
ENGINE CONTROLLER VOLTAGE CIRCUIT 30-174
HANDLE BATTERY DISCONNECT SWITCH 30-175
TEST DIODES 30-176
Pm-CLINIC 30-177
Pm CLINIC SERVICE 30-177
40 TROUBLESHOOTING 40-1
CONTENTS 40-2
RELATED INFORMATION TO TROUBLESHOOT 40-9
GENERAL TROUBLESHOOTING POINTS 40-9
SEQUENCE OF EVENTS IN TROUBLESHOOTING 40-10
CHECKS BEFORE TROUBLESHOOTING 40-12
INSPECTION PROCEDURE BEFORE TROUBLESHOOTING 40-14
PREPARATION FOR TROUBLESHOOTING OF ELECTRICAL SYSTEM 40-23
DISCONNECT AND CONNECT CONNECTOR WITH LOCK TO PUSH 40-29
DISCONNECT AND CONNECT CONNECTOR WITH LOCK TO PULL 40-32
DISCONNECT AND CONNECT SLIDE TYPE CONNECTOR 40-33
DISCONNECT AND CONNECT CONNECTOR WITH HOUSING TO ROTATE 40-35
PROCEDURE FOR TROUBLESHOOTING 40-36
INFORMATION DESCRIBED IN TROUBLESHOOTING 40-37
DIAGNOSE OPEN CIRCUIT OF HYDRAULIC PRESSURE SENSOR SYSTEM WIRING HARNESS
40-40
CONNECTORS LIST 40-43
CONNECTOR LAYOUT 40-49
CONNECTOR CONTACT IDENTIFICATION 40-55
T-BRANCH BOX AND T-BRANCH ADAPTER TABLE 40-97
FUSE LOCATION AND CONNECTION TABLE 40-103
FAILURE CODES TABLE 40-105
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE) 40-113
FAILURE CODE [602KNX]40-113
FAILURE CODE [879AKA]40-116
FAILURE CODE [879AKB]40-118
FAILURE CODE [879BKA]40-120
INDEX 00 INDEX AND FOREWORD
00-4 PC300-8M2, PC300LC-8M2, PC350-8M2, PC350LC-8M2, PC360-8M2, PC360LC-8M2
FAILURE CODE [879BKB]40-123
FAILURE CODE [879CKA]40-126
FAILURE CODE [879CKB]40-128
FAILURE CODE [879DKZ]40-130
FAILURE CODE [879EMC] 40-133
FAILURE CODE [879FMC] 40-135
FAILURE CODE [879GKX] 40-137
FAILURE CODE [989L00] 40-140
FAILURE CODE [989M00] 40-141
FAILURE CODE [989N00] 40-142
FAILURE CODE [AA10NX] 40-143
FAILURE CODE [AB00KE] 40-146
FAILURE CODE [B@BAZG] 40-148
FAILURE CODE [B@BAZK]40-149
FAILURE CODE [B@BCNS] 40-151
FAILURE CODE [B@BCQA]40-152
FAILURE CODE [B@BCZK] 40-154
FAILURE CODE [B@HANS] 40-156
FAILURE CODE [CA111] 40-157
FAILURE CODE [CA115] 40-158
FAILURE CODE [CA122]40-159
FAILURE CODE [CA123]40-161
FAILURE CODE [CA131]40-163
FAILURE CODE [CA132]40-165
FAILURE CODE [CA144]40-167
FAILURE CODE [CA145]40-169
FAILURE CODE [CA153]40-171
FAILURE CODE [CA154]40-173
FAILURE CODE [CA155]40-175
FAILURE CODE [CA187]40-176
FAILURE CODE [CA221]40-178
FAILURE CODE [CA222]40-180
FAILURE CODE [CA227]40-182
FAILURE CODE [CA234]40-183
FAILURE CODE [CA238]40-184
FAILURE CODE [CA271]40-186
FAILURE CODE [CA272]40-188
FAILURE CODE [CA281]40-190
FAILURE CODE [CA322]40-191
FAILURE CODE [CA323]40-193
FAILURE CODE [CA324]40-195
FAILURE CODE [CA325]40-197
FAILURE CODE [CA331]40-199
FAILURE CODE [CA332]40-201
FAILURE CODE [CA342]40-203
FAILURE CODE [CA351]40-204
FAILURE CODE [CA352]40-205
FAILURE CODE [CA386]40-207
FAILURE CODE [CA428]40-208
FAILURE CODE [CA429]40-210
FAILURE CODE [CA435]40-212
FAILURE CODE [CA441]40-213
FAILURE CODE [CA442]40-215
FAILURE CODE [CA449]40-216
FAILURE CODE [CA451]40-217
FAILURE CODE [CA452]40-219
FAILURE CODE [CA488]40-221
FAILURE CODE [CA553]40-222
00 INDEX AND FOREWORD INDEX
PC300-8M2, PC300LC-8M2, PC350-8M2, PC350LC-8M2, PC360-8M2, PC360LC-8M2 00-5
FAILURE CODE [CA559]40-223
FAILURE CODE [CA689]40-227
FAILURE CODE [CA731]40-232
FAILURE CODE [CA757]40-234
FAILURE CODE [CA778]40-235
FAILURE CODE [CA2185] 40-240
FAILURE CODE [CA2186] 40-242
FAILURE CODE [CA2249] 40-244
FAILURE CODE [CA2265] 40-245
FAILURE CODE [CA2266] 40-247
FAILURE CODE [CA2311] 40-249
FAILURE CODE [CA2555] 40-250
FAILURE CODE [CA2556] 40-253
FAILURE CODE [D110KB]40-255
FAILURE CODE [D19JKZ] 40-258
FAILURE CODE [D811MC] 40-263
FAILURE CODE [D862KA]40-264
FAILURE CODE [D8ALKA] 40-267
FAILURE CODE [D8ALKB] 40-271
FAILURE CODE [D8AQKR] 40-274
FAILURE CODE [D8ARKR] 40-283
FAILURE CODE [D8G1KT] 40-289
FAILURE CODE [D8G6KT] 40-290
FAILURE CODE [DA20MC] 40-291
FAILURE CODE [DA22KK] 40-292
FAILURE CODE [DA25KP] 40-297
FAILURE CODE [DA26KP] 40-302
FAILURE CODE [DA29KQ]40-306
FAILURE CODE [DA2LKA] 40-311
FAILURE CODE [DA2LKB] 40-315
FAILURE CODE [DA2QKR] 40-318
FAILURE CODE [DA2RKR] 40-329
FAILURE CODE [DAF0MB] 40-338
FAILURE CODE [DAF0MC] 40-339
FAILURE CODE [DAF8KB] 40-340
FAILURE CODE [DAF9KQ]40-342
FAILURE CODE [DAFGMC] 40-344
FAILURE CODE [DAFLKA] 40-346
FAILURE CODE [DAFLKB] 40-350
FAILURE CODE [DAFQKR] 40-353
FAILURE CODE [DAZ9KQ]40-363
FAILURE CODE [DAZQKR] 40-365
FAILURE CODE [DB2QKR] 40-374
FAILURE CODE [DDPAKA] 40-384
FAILURE CODE [DGH2KA] 40-387
FAILURE CODE [DGH2KB] 40-390
FAILURE CODE [DHA4KA]40-393
FAILURE CODE [DHE5MA] 40-396
FAILURE CODE [DHPAMA]40-400
FAILURE CODE [DHPBMA]40-404
FAILURE CODE [DHS3MA] 40-408
FAILURE CODE [DHS4MA] 40-412
FAILURE CODE [DHS8MA] 40-416
FAILURE CODE [DHS9MA] 40-420
FAILURE CODE [DHSAMA]40-424
FAILURE CODE [DHSBMA]40-428
FAILURE CODE [DHSCMA] 40-432
FAILURE CODE [DHSDMA] 40-436
INDEX 00 INDEX AND FOREWORD
00-6 PC300-8M2, PC300LC-8M2, PC350-8M2, PC350LC-8M2, PC360-8M2, PC360LC-8M2
FAILURE CODE [DHSFMA]40-440
FAILURE CODE [DHSGMA] 40-444
FAILURE CODE [DHSHMA] 40-448
FAILURE CODE [DHSJMA] 40-452
FAILURE CODE [DKR2MA] 40-456
FAILURE CODE [DKR2NX] 40-460
FAILURE CODE [DR21KX] 40-462
FAILURE CODE [DR31KX] 40-464
FAILURE CODE [DV20KB] 40-465
FAILURE CODE [DW43KA] 40-468
FAILURE CODE [DW43KB] 40-471
FAILURE CODE [DW43KY] 40-474
FAILURE CODE [DW45KA] 40-476
FAILURE CODE [DW45KB] 40-480
FAILURE CODE [DW45KY] 40-484
FAILURE CODE [DW91KA] 40-487
FAILURE CODE [DW91KB] 40-489
FAILURE CODE [DW91KY] 40-492
FAILURE CODE [DWA2KA] 40-494
FAILURE CODE [DWA2KB] 40-496
FAILURE CODE [DWA2KY] 40-499
FAILURE CODE [DWJ0KA] 40-501
FAILURE CODE [DWJ0KB] 40-503
FAILURE CODE [DWJ0KY] 40-505
FAILURE CODE [DWK0KA]40-506
FAILURE CODE [DWK0KB]40-508
FAILURE CODE [DWK0KY]40-511
FAILURE CODE [DWK2KA]40-513
FAILURE CODE [DWK2KB]40-515
FAILURE CODE [DWK2KY]40-518
FAILURE CODE [DXA8KA]40-520
FAILURE CODE [DXA8KB]40-523
FAILURE CODE [DXE0KA]40-527
FAILURE CODE [DXE0KB]40-530
FAILURE CODE [DXE4KA]40-533
FAILURE CODE [DXE4KB]40-536
FAILURE CODE [DXE4KY]40-539
FAILURE CODE [DY20KA] 40-541
FAILURE CODE [DY20MA]40-546
FAILURE CODE [DY2CKB]40-550
FAILURE CODE [DY2DKB]40-555
FAILURE CODE [DY2EKB]40-558
FAILURE CODE [F313KA] 40-561
FAILURE CODE [F313KB] 40-563
FAILURE CODE [F318KB] 40-566
FAILURE CODE [F318KY] 40-569
FAILURE CODE [F@BBZL] 40-571
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE) 40-574
E-1 ENGINE DOES NOT START (ENGINE DOES NOT CRANK) 40-574
E-2 MANUAL PREHEATING SYSTEM DOES NOT WORK40-584
E-3 AUTOMATIC PREHEATING SYSTEM DOES NOT WORK 40-588
E-4 WHILE PREHEATING IS IN OPERATION, PREHEATING MONITOR DOES NOT LIGHT UP
40-592
E-5 WHEN STARTING SWITCH IS TURNED TO ON POSITION, MACHINE MONITOR SHOWS
NOTHING40-597
E-6 WHEN STARTING SWITCH IS TURNED TO ON POSITION (WITH ENGINE STOPPED), ENGINE
OIL LEVEL CAUTION LAMP LIGHTS UP IN YELLOW 40-600
00 INDEX AND FOREWORD INDEX
PC300-8M2, PC300LC-8M2, PC350-8M2, PC350LC-8M2, PC360-8M2, PC360LC-8M2 00-7
E-7 WHEN STARTING SWITCH IS TURNED TO ON POSITION (WITH ENGINE STOPPED), RADIATOR
COOLANT LEVEL CAUTION LAMP LIGHTS UP IN YELLOW 40-602
E-8 ENGINE COOLANT TEMPERATURE MONITOR LIGHTS UP WHILE ENGINE IS IN OPERATION
40-604
E-9 HYDRAULIC OIL TEMPERATURE MONITOR LIGHTS UP WHILE ENGINE IS IN OPERATION
40-606
E-10 AIR CLEANER CLOGGING MONITOR LIGHT UP IN YELLOW WHILE ENGINE IS IN OPERATION
40-608
E-11 CHARGE LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS IN OPERATION 40-610
E-12 FUEL LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS IN OPERATION 40-614
E-13 WATER SEPARATOR MONITOR LIGHTS UP IN RED WHILE ENGINE IS IN OPERATION
40-615
E-14 ENGINE OIL PRESSURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS IN OPERATION
40-616
E-15 HYDRAULIC OIL TEMPERATURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS IN OPERATION
40-617
E-16 FUEL GAUGE DOES NOT MOVE FROM MINIMUM OR MAXIMUM 40-619
E-17 FUEL GAUGE INDICATES INCORRECT LEVEL40-622
E-18 COOLANT TEMPERATURE GAUGE DOES NOT MOVE FROM MINIMUM OR MAXIMUM40-624
E-19 COOLANT TEMPERATURE GAUGE INDICATES INCORRECT TEMPERATURE 40-625
E-20 HYDRAULIC OIL TEMPERATURE GAUGE DOES NOT MOVE FROM MINIMUM OR MAXIMUM
40-627
E-21 HYDRAULIC OIL TEMPERATURE GAUGE INDICATES INCORRECT TEMPERATURE 40-630
E-22 MACHINE MONITOR SHOWS INCORRECT MODEL 40-632
E-23 SOME AREAS OF MACHINE MONITOR SCREEN ARE NOT DISPLAYED 40-633
E-24 FUNCTION SWITCH DOES NOT OPERATE 40-634
E-25 AUTOMATIC WARM-UP SYSTEM DOES NOT OPERATE (IN COLD WEATHER) 40-635
E-26 AUTO-DECELERATION MONITOR DOES NOT LIGHT UP OR GO OUT WHILE AUTO-DECELERATION
SWITCH IS OPERATED 40-637
E-27 AUTO-DECELERATION DOES NOT OPERATE OR IS NOT CANCELLED TO MEET LEVER
OPERATION 40-638
E-28 WORK MODE SELECTOR SCREEN DOES NOT APPEAR WHILE WORK MODE SWITCH IS
OPERATED40-641
E-29 ENGINE AND HYDRAULIC PUMP SETTINGS DO NOT CHANGE WHILE WORK MODE IS
CHANGED 40-642
E-30 TRAVEL SPEED MONITOR DOES NOT CHANGE WHILE TRAVEL SPEED SWITCH IS OPERATED
40-643
E-31 TRAVEL SPEED DOES NOT CHANGE WHILE TRAVEL SPEED IS CHANGED40-644
E-32 ALARM BUZZER DOES NOT STOP40-646
E-33 SERVICE METER IS NOT DISPLAYED WHILE STARTING SWITCH IS IN OFF POSITION
40-647
E-34 MACHINE DOES NOT CHANGE TO SERVICE MODE40-648
E-35 ALL WORK EQUIPMENT, SWING OR TRAVEL DOES NOT OPERATE40-649
E-36 ALL WORK EQUIPMENT, SWING OR TRAVEL DOES NOT LOCK40-653
E-37 MACHINE DOES NOT SWING WHILE SWING PARKING BRAKE RELEASE SWITCH IS RELEASED
40-655
E-38 MACHINE SWINGS WHILE SWING PARKING BRAKE RELEASE SWITCH IS ON 40-659
E-39 ONE-TOUCH POWER MAXIMIZING FUNCTION DOES NOT OPERATE NORMALLY OR MONITOR
DOES NOT DISPLAY40-662
E-40 ONE-TOUCH POWER MAXIMIZING FUNCTION IS NOT RELEASED40-666
E-41 TRAVEL ALARM DOES NOT SOUND 40-668
E-42 TRAVEL ALARM DOES NOT STOP WHEN MACHINE STOPS40-671
E-43 HORN DOES NOT SOUND40-673
E-44 HORN DOES NOT STOP40-677
E-45 WIPER MONITOR DOES NOT LIGHT UP OR GO OUT WHILE WIPER SWITCH IS OPERATED
40-679
E-46 WIPER DOES NOT OPERATE WHEN WIPER SWITCH IS OPERATED40-680
INDEX 00 INDEX AND FOREWORD
00-8 PC300-8M2, PC300LC-8M2, PC350-8M2, PC350LC-8M2, PC360-8M2, PC360LC-8M2
E-47 WINDOW WASHER DOES NOT OPERATE WHEN WINDOW WASHER SWITCH IS OPERATED
40-683
E-48 MACHINE PUSH-UP FUNCTION CANNOT BE CANCELED 40-686
E-49 MACHINE PUSH-UP FUNCTION DOES NOT OPERATE40-688
E-50 BOOM RAISE IS NOT SHOWN NORMALLY WITH MONITORING FUNCTION 40-690
E-51 BOOM LOWER IS NOT SHOWN NORMALLY WITH MONITORING FUNCTION 40-691
E-52 ARM OUT IS NOT DISPLAYED CORRECTLY WITH MONITORING FUNCTION 40-692
E-53 ARM IN IS NOT SHOWN NORMALLY WITH MONITORING FUNCTION 40-693
E-54 BUCKET DUMP IS NOT DISPLAYED CORRECTLY WITH MONITORING FUNCTION40-694
E-55 BUCKET CURL IS NOT DISPLAYED CORRECTLY WITH MONITORING FUNCTION 40-695
E-56 SWING IS NOT SHOWN NORMALLY WITH MONITORING FUNCTION40-696
E-57 TRAVEL IS NOT SHOWN NORMALLY WITH MONITORING FUNCTION 40-697
E-58 SERVICE IN IS NOT DISPLAYED CORRECTLY WITH MONITORING FUNCTION 40-698
E-59 ATTACHMENT CIRCUIT CANNOT BE CHANGED 40-701
E-60 KOMTRAX SYSTEM DOES NOT OPERATE NORMALLY 40-703
E-61 QUICK COUPLER DOES NOT WORK40-705
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE) 40-710
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE (H MODE) 40-710
H-1 ALL WORK EQUIPMENTS, SWING AND TRAVEL DO NOT WORK40-711
H-2 All WORK EQUIPMENTS, SWING, AND TRAVEL LACK SPEED OR POWER 40-713
H-3 FINE CONTROL PERFORMANCE OR RESPONSE IS POOR40-726
H-4 UNUSUAL NOISE IS HEARD FROM AROUND HYDRAULIC PUMP 40-731
H-5 ENGINE SPEED DROPS LARGELY OR ENGINE STOPS 40-733
H-6 BOOM SPEED OR POWER IS LOW 40-742
H-7 Arm speed or power is low 40-754
H-8 BUCKET SPEED OR POWER IS LOW40-765
H-9 WORK EQUIPMENT DOES NOT MOVE IN SINGLE OPERATION 40-775
H-10 HYDRAULIC DRIFT OF BOOM IS LARGE 40-779
H-11 HYDRAULIC DRIFT OF ARM IS LARGE 40-781
H-12 HYDRAULIC DRIFT OF BUCKET IS LARGE40-785
H-13 WHEN SINGLE WORK EQUIPMENT IS RELIEVED HYDRAULICALLY, OTHER WORK EQUIPMENT
MOVES 40-788
H-14 TIME LAG OF WORK EQUIPMENT IS LARGE 40-790
H-15 ONE-TOUCH POWER MAXIMIZING FUNCTION DOES NOT OPERATE 40-797
H-16 ATTACHMENT CIRCUIT CANNOT BE CHANGED40-800
H-17 OIL FLOW IN ATTACHMENT CIRCUIT CANNOT BE CHANGED 40-802
H-18 IN COMBINED OPERATION OF WORK EQUIPMENT, EQUIPMENT WITH HEAVIER LOAD
MOVES SLOWER 40-804
H-19 IN COMBINED OPERATION OF SWING AND TRAVEL, TRAVEL SPEED DROPS LARGELY
40-806
H-20 IN COMBINED OPERATION OF SWING AND BOOM RAISE, BOOM RISE SPEED IS LOW
40-807
H-21 MACHINE DOES NOT TRAVEL STRAIGHT 40-808
H-22 MACHINE IS NOT STEERED WELL OR STEERING POWER IS LOW40-819
H-23 TRAVEL SPEED IS SLOW40-835
H-24 ONE OF TRACKS DOES NOT RUN 40-846
H-25 TRAVEL SPEED DOES NOT CHANGE, OR TRAVEL SPEED IS TOO SLOW OR FAST 40-856
H-26 MACHINE DOES NOT SWING TO RIGHT OR LEFT40-859
H-27 SWINGS ONLY IN ONE DIRECTION40-864
H-28 SWING ACCELERATION OR SWING SPEED IS LOW IN BOTH DIRECTIONS (RIGHT AND
LEFT) 40-867
H-29 SWING ACCELERATION OR SWING SPEED IS LOW IN ONLY ONE DIRECTION 40-874
H-30 UPPER STRUCTURE OVERRUNS EXCESSIVELY WHEN IT STOPS SWINGING (BOTH
RIGHT AND LEFT)40-878
H-31 UPPER STRUCTURE OVERRUNS EXCESSIVELY WHEN IT STOPS SWINGING (ONLY ONE
DIRECTION EITHER RIGHT OR LEFT)40-880
H-32 SHOCK IS LARGE WHEN UPPER STRUCTURE STOPS40-884
H-33 LARGE UNUSUAL NOISE IS HEARD WHEN UPPER STRUCTURE STOPS 40-886
00 INDEX AND FOREWORD INDEX
PC300-8M2, PC300LC-8M2, PC350-8M2, PC350LC-8M2, PC360-8M2, PC360LC-8M2 00-9
H-34 SWING DRIFT ON A SLOPE IS LARGE (WHILE SWING PARKING BRAKE IS APPLIED)40-889
H-35 SWING DRIFT ON A SLOPE IS LARGE (WHILE SWING PARKING BRAKE IS RELEASED)
40-891
H-36 FAN SPEED IS ABNORMAL (TOO HIGH OR LOW, OR DOES NOT MOVE) 40-895
H-37 UNUSUAL NOISE IS HEARD FROM AROUND FAN 40-896
TROUBLESHOOTING OF ENGINE (S-MODE) 40-897
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (S MODE)40-897
S-1 ENGINE DOES NOT CRANK WHEN STARTING SWITCH IS TURNED TO40-898
S-2 ENGINE CRANKS BUT NO EXHAUST GAS COMES OUT 40-899
S-3 FUEL IS BEING INJECTED BUT ENGINE DOES NOT START (MISFIRING: ENGINE CRANKS
BUT DOES NOT START) 40-900
S-4 ENGINE STARTABILITY IS POOR40-902
S-5 ENGINE DOES NOT PICK UP SMOOTHLY 40-904
S-6 ENGINE STOPS DURING OPERATION 40-906
S-7 ENGINE RUNS ROUGH OR IS UNSTABLE 40-908
S-8 ENGINE LACKS POWER40-909
S-9 EXHAUST SMOKE IS BLACK40-911
S-10 ENGINE OIL CONSUMPTION IS EXCESSIVE 40-913
S-11 OIL BECOMES CONTAMINATED QUICKLY 40-914
S-12 FUEL CONSUMPTION IS EXCESSIVE 40-915
S-13 OIL IS IN COOLANT (OR COOLANT SPURTS BACK OR COOLANT LEVEL GOES DOWN)
40-916
S-14 OIL PRESSURE DROPS 40-917
S-15 FUEL MIXES INTO ENGINE OIL40-918
S-16 WATER MIXES INTO ENGINE OIL (MILKY) 40-919
S-17 COOLANT TEMPERATURE RISES TOO HIGH (OVERHEATING) 40-920
S-18 UNUSUAL NOISE IS HEARD40-921
S-19 VIBRATION IS EXCESSIVE 40-922
S-20 AIR CANNOT BE BLED FROM FUEL CIRCUIT40-923
50 DISASSEMBLY AND ASSEMBLY 50-1
CONTENTS 50-2
RELATED INFORMATION ON DISASSEMBLY AND ASSEMBLY 50-5
HOW TO READ THIS MANUAL 50-6
COATING MATERIALS LIST 50-7
SPECIAL TOOLS LIST 50-11
SKETCHES OF SPECIAL TOOLS 50-17
PREPARATION 50-21
DRAIN AND ADD COOLANT 50-21
DRAIN AND ADD HYDRAULIC OIL 50-23
DRAIN AND ADD FUEL 50-25
COLLECT AND REFILL REFRIGERANT 50-26
ENGINE AND COOLING SYSTEM 50-28
REMOVE AND INSTALL SUPPLY PUMP ASSEMBLY 50-28
REMOVE AND INSTALL CYLINDER HEAD ASSEMBLY 50-38
REMOVE AND INSTALL RADIATOR ASSEMBLY 50-60
REMOVE AND INSTALL HYDRAULIC OIL COOLER ASSEMBLY 50-65
REMOVE AND INSTALL AFTERCOOLER ASSEMBLY 50-70
REMOVE AND INSTALL ENGINE AND MAIN PUMP ASSEMBLY 50-72
REMOVE AND INSTALL ENGINE FRONT OIL SEAL 50-87
REMOVE AND INSTALL ENGINE REAR OIL SEAL 50-91
POWER TRAIN 50-97
REMOVE AND INSTALL TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY 50-97
DISASSEMBLE AND ASSEMBLE FINAL DRIVE ASSEMBLY50-100
REMOVE AND INSTALL SWING MOTOR AND SWING MACHINERY ASSEMBLY50-113
DISASSEMBLE AND ASSEMBLE SWING MACHINERY ASSEMBLY 50-116
REMOVE AND INSTALL SWING CIRCLE ASSEMBLY 50-127
UNDERCARRIAGE AND FRAME50-129
SEPARATION AND CONNECTION OF TRACK ASSEMBLY50-129
INDEX 00 INDEX AND FOREWORD
00-10 PC300-8M2, PC300LC-8M2, PC350-8M2, PC350LC-8M2, PC360-8M2, PC360LC-8M2
REMOVE AND INSTALL SPROCKET 50-134
REMOVE AND INSTALL IDLER AND IDLER CUSHION ASSEMBLY50-136
DISASSEMBLE AND ASSEMBLE IDLER ASSEMBLY 50-138
DISASSEMBLE AND ASSEMBLE OF IDLER CUSHION ASSEMBLY 50-143
DISASSEMBLE AND ASSEMBLE TRACK ROLLER ASSEMBLY 50-146
DISASSEMBLEAND ASSEMBLE CARRIER ROLLER ASSEMBLY 50-150
REMOVE AND INSTALL REVOLVING FRAME ASSEMBLY 50-154
REMOVE AND INSTALL COUNTERWEIGHT ASSEMBLY50-159
HYDRAULIC SYSTEM50-162
REMOVE AND INSTALL CENTER SWIVEL JOINT ASSEMBLY 50-162
DISASSEMBLE AND ASSEMBLE CENTER SWIVEL JOINT ASSEMBLY 50-166
REMOVE AND INSTALL HYDRAULIC TANK ASSEMBLY50-169
REMOVE AND INSTALL MAIN PUMP ASSEMBLY 50-176
REMOVE AND INSTALL CONTROL VALVE ASSEMBLY 50-184
DISASSEMBLE AND ASSEMBLE CONTROL VALVE ASSEMBLY 50-192
DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT PPC VALVE ASSEMBLY 50-199
DISASSEMBLE AND ASSEMBLE TRAVEL PPC VALVE ASSEMBLY 50-202
WORK EQUIPMENT50-205
REMOVE AND INSTALL WORK EQUIPMENT ASSEMBLY 50-205
DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT CYLINDER ASSEMBLY50-209
CAB RELATED PARTS50-223
REMOVE AND INSTALL OPERATOR CAB ASSEMBLY 50-223
REMOVE AND INSTALL OPERATOR CAB GLASS (ADHERED GLASS) 50-244
REMOVE AND INSTALL FRONT WINDOW ASSEMBLY 50-257
REMOVE AND INSTALL FLOOR FRAME ASSEMBLY50-266
REMOVE AND INSTALL AIR CONDITIONER UNIT ASSEMBLY 50-280
REMOVE AND INSTALL OPERATOR SEAT 50-296
REMOVE AND INSTALL SEATBELT 50-298
REMOVE AND INSTALL FRONT WIPER ASSEMBLY 50-300
ELECTRICAL SYSTEM 50-313
REMOVE AND INSTALL ENGINE CONTROLLER ASSEMBLY 50-313
REMOVE AND INSTALL PUMP CONTROLLER ASSEMBLY50-316
REMOVE AND INSTALL MACHINE MONITOR ASSEMBLY 50-322
REMOVE AND INSTALL GATEWAY FUNCTION CONTROLLER ASSEMBLY50-329
REMOVE AND INSTALL COMMUNICATION TERMINAL WIRING HARNESS 50-337
REMOVE AND INSTALL COMMUNICATION TERMINAL50-353
60 MAINTENANCE STANDARD 60-1
CONTENTS 60-2
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD 60-3
ENGINE AND COOLING SYSTEM 60-5
MAINTENANCE STANDARD OF ENGINE MOUNT 60-5
MAINTENANCE STANDARD OF COOLING SYSTEM 60-7
POWER TRAIN 60-9
MAINTENANCE STANDARD OF SWING CIRCLE 60-9
MAINTENANCE STANDARD OF SWING MACHINERY 60-10
MAINTENANCE STANDARD OF FINAL DRIVE 60-12
MAINTENANCE STANDARD OF SPROCKET 60-14
MAINTENANCE STANDARD OF SPROCKET TOOTH PROFILE FULL-SCALE DRAWING 60-15
UNDERCARRIAGE AND FRAME 60-17
MAINTENANCE STANDARD OF TRACK FRAME AND IDLER CUSHION 60-17
MAINTENANCE STANDARD OF IDLER 60-19
MAINTENANCE STANDARD OF TRACK ROLLER 60-21
MAINTENANCE STANDARD OF CARRIER ROLLER 60-23
MAINTENANCE STANDARD OF TRACK SHOE 60-24
MAINTENANCE STANDARD OF TRIPLE SHOE 60-27
HYDRAULIC SYSTEM 60-28
MAINTENANCE STANDARD OF HYDRAULIC TANK 60-28
MAINTENANCE STANDARD OF MAIN PUMP 60-29
00 INDEX AND FOREWORD INDEX
PC300-8M2, PC300LC-8M2, PC350-8M2, PC350LC-8M2, PC360-8M2, PC360LC-8M2 00-11
MAINTENANCE STANDARD OF SWING MOTOR 60-31
MAINTENANCE STANDARD OF TRAVEL MOTOR 60-34
MAINTENANCE STANDARD OF CONTROL VALVE 60-37
MAINTENANCE STANDARD OF WORK EQUIPMENT AND SWING PPC VALVE 60-48
MAINTENANCE STANDARD OF TRAVEL PPC VALVE 60-51
MAINTENANCE STANDARD OF 1ST-LINE ATTACHMENT PPC VALVE (WITH EPC VALVE) 60-54
MAINTENANCE STANDARD OF EPC VALVE OF 1ST-LINE ATTACHMENT PPC VALVE 60-56
MAINTENANCE STANDARD OF 2ND-LINE ATTACHMENT PPC VALVE 60-57
MAINTENANCE STANDARD OF SOLENOID VALVE 60-59
MAINTENANCE STANDARD OF ATTACHMENT CIRCUIT SELECTOR VALVE (FOR HIGH PRESSURE)
60-60
MAINTENANCE STANDARD OF ATTACHMENT CIRCUIT SELECTOR VALVE (FOR LOW PRESSURE)
60-61
MAINTENANCE STANDARD OF CENTER SWIVEL JOINT 60-62
WORK EQUIPMENT 60-63
MAINTENANCE STANDARD OF WORK EQUIPMENT LINKAGE 60-63
DIMENSIONS OF ARM 60-66
DIMENSIONS OF BUCKET 60-69
MAINTENANCE STANDARD OF BOOM CYLINDER 60-72
MAINTENANCE STANDARD OF ARM CYLINDER 60-73
MAINTENANCE STANDARD OF BUCKET CYLINDER 60-74
80 OTHERS 80-1
CONTENTS 80-2
ABBREVIATION 80-4
AIR CONDITIONER SYSTEM 80-9
PRECAUTIONS FOR REFRIGERANT 80-9
LAYOUT DRAWING OF AIR CONDITIONER SYSTEM 80-10
SPECIFICATION OF AIR CONDITIONER 80-12
CONFIGURATION OF REFRIGERATION CYCLE 80-13
FUNCTION OF REFRIGERATION CYCLE 80-14
SYSTEM DIAGRAM OF AIR CONDITIONER 80-15
COMPONENT PARTS OF AIR CONDITIONER SYSTEM 80-16
AIR CONDITIONER UNIT 80-16
AIR CONDITIONER CONTROLLER 80-23
COMPRESSOR 80-25
CONDENSER 80-26
AIR CONDITIONER RELATED SENSORS 80-28
CIRCUIT DIAGRAM AND ARRANGEMENT OF CONNECTOR PINS OF AIR CONDITIONER 80-29
INSTALLATION LOCATIONS OF AIR CONDITIONER PARTS AND ARRANGEMENT OF CONNECTORS
80-31
TEST AIR LEAKAGE (DUCT CONNECTION) 80-35
TEST AIR LEAKAGE (DUCT CONNECTION) 80-35
TEST AIR CONDITIONER BY SELF-DIAGNOSIS FUNCTION 80-38
TEST VENT (MODE) CHANGEOVER 80-39
TEST VENT (MODE) CHANGEOVER 80-39
TEST FRESH/RECIRC AIR CHANGEOVER 80-41
TEST FRESH/RECIRC AIR CHANGEOVER 80-41
TEST SUNLIGHT SENSOR 80-42
TEST SUNLIGHT SENSOR 80-42
TEST DUAL PRESSURE SWITCH 80-43
TEST DUAL PRESSURE SWITCH 80-43
TEST RELAY 80-44
TEST RELAY 80-44
SIMPLE CHECK OF REFRIGERANT VOLUME THROUGH SIGHT GLASS 80-46
PROCEDURE FOR TROUBLE SHOOTING OF AIR CONDITIONER 80-47
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE 80-48
FAILURE CODE [879AKA] 80-51
FAILURE CODE [879AKB] 80-53
INDEX 00 INDEX AND FOREWORD
00-12 PC300-8M2, PC300LC-8M2, PC350-8M2, PC350LC-8M2, PC360-8M2, PC360LC-8M2
FAILURE CODE [879BKA] 80-55
FAILURE CODE [879BKB] 80-58
FAILURE CODE [879CKA] 80-61
FAILURE CODE [879CKB] 80-63
FAILURE CODE [879DKZ] 80-65
FAILURE CODE [879EMC] 80-68
FAILURE CODE [879FMC] 80-70
FAILURE CODE [879GKX] 80-72
A-1 AIR CONDITIONER DOES NOT OPERATE 80-75
A-2 DEFECTIVE COOLING 80-78
A-3 HEATER DOES NOT OPERATE 80-87
A-4 COOL AIR DOES NOT COME OUT 80-91
A-5 NO AIR COMES OUT OR AIR FLOW IS ABNORMAL 80-97
A-6 FRESH/RECIRC AIR CHANGEOVER NOT POSSIBLE80-101
CONNECT SERVICE TOOL 80-105
CONNECT SERVICE TOOL 80-106
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF AIR CONDITIONER PIPING80-107
HANDLE COMPRESSOR OIL 80-109
REPLACE DESICCANT 80-111
90 CIRCUIT DIAGRAMS 90-1
CONTENTS 90-2
HOW TO READ THE CODES FOR ELECTRIC CABLE 90-3
HYDRAULIC CIRCUIT DIAGRAM 90-7
SYMBOLS USED IN HYDRAULIC CIRCUIT DIAGRAM 90-7
HYDRAULIC CIRCUIT DIAGRAM 90-11
ELECTRICAL CIRCUIT DIAGRAM 90-13
SYMBOLS USED IN ELECTRIC CIRCUIT DIAGRAM 90-13
ELECTRICAL CIRCUIT DIAGRAM(1/6) 90-17
ELECTRICAL CIRCUIT DIAGRAM(2/6) 90-19
ELECTRICAL CIRCUIT DIAGRAM(3/6) 90-21
ELECTRICAL CIRCUIT DIAGRAM(4/6) 90-23
ELECTRICAL CIRCUIT DIAGRAM(5/6) 90-25
ELECTRICAL CIRCUIT DIAGRAM(6/6) 90-27
INDEX1

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