Komatsu PC88MR-10 Shop Manual page 11

H-24 One of tracks does not run ........................................................................................ 40-501
H-25 Upper structure does not swing to the right or left ........................................................ 40-503
H-26 Upper structure swing only to the right or left .............................................................. 40-504
H-27 Swing acceleration or swing speed is low in both directions (right and left) .................... 40-505
H-28 Swing acceleration performance is poor or swing speed is slow in only one
direction............................................................................................................. 40-506
H-29 Upper structure overruns excessively when it stops swinging (both right and
left).................................................................................................................... 40-507
H-30 Upper structure overruns excessively when it stops swinging (either right or left) ........... 40-508
H-31 Shock is large when upper structure stops swinging.................................................... 40-509
H-32 Large unusual noise is heard when upper structure stops swinging .............................. 40-510
H-33 Swing drift on a slope is large while swing parking brake is applied............................... 40-511
H-34 Swing drift on a slope is large while swing parking brake is released............................. 40-512
H-35 Oil flow in attachment circuit cannot be controlled ....................................................... 40-513
Troubleshooting of engine (S-mode)......................................................................................... 40-514
Information mentioned in troubleshooting table (S mode)..................................................... 40-514
S-1 Engine does not crank when starting switch is turned to START position......................... 40-515
S-2 Engine cranks but no exhaust smoke comes out........................................................... 40-516
S-3 Fuel is being injected but engine does not start (misfiring: engine cranks but does not
start).................................................................................................................. 40-517
S-4 Engine startability is poor ............................................................................................ 40-518
S-5 Engine does not pick up smoothly ............................................................................... 40-520
S-6 Engine stops during operation ..................................................................................... 40-522
S-7 Engine runs rough or is unstable ................................................................................. 40-524
S-8 Engine lacks power .................................................................................................... 40-525
S-9 Exhaust smoke is black .............................................................................................. 40-527
S-10 Engine oil consumption is excessive .......................................................................... 40-529
S-11 Oil becomes contaminated quickly ............................................................................. 40-530
S-12 Fuel consumption is excessive .................................................................................. 40-531
S-13 Oil is in coolant (or coolant spurts or coolant level goes down)...................................... 40-532
S-14 Oil pressure drops .................................................................................................... 40-533
S-15 Fuel mixes into engine oil.......................................................................................... 40-534
S-16 Water mixes into engine oil (milky) ............................................................................. 40-535
S-17 Coolant temperature rises too high (overheating) ........................................................ 40-536
S-18 Unusual noise is heard ............................................................................................. 40-537
S-19 Vibration is excessive ............................................................................................... 40-538
S-20 Air cannot be bled from fuel circuit ............................................................................. 40-539
50 Disassembly and assembly ........................................................................................................... 50-1
Table of contents ........................................................................................................................ 50-2
Related information on disassembly and assembly ........................................................................ 50-4
How to read this manual ....................................................................................................... 50-4
Coating materials list ............................................................................................................ 50-6
Special tools list ................................................................................................................. 50-10
Sketches of special tools .................................................................................................... 50-15
Engine and cooling system ........................................................................................................ 50-17
Removal and installation of supply pump assembly............................................................... 50-17
Removal and installation of injector assembly....................................................................... 50-20
Removal and installation of cylinder head assembly.............................................................. 50-27
Removal and installation of radiator assembly ...................................................................... 50-39
Removal and installation of hydraulic oil cooler assembly ...................................................... 50-43
Removal and installation of aftercooler assembly .................................................................. 50-46
Removal and installation of engine and main pump assembly ................................................ 50-49
Removal and installation of engine front oil seal .................................................................... 50-57
Removal and installation of engine rear oil seal..................................................................... 50-58
Removal and installation of fuel cooler assembly .................................................................. 50-60
Removal and installation of fuel tank assembly ..................................................................... 50-61
Removal and installation of engine hood assembly ............................................................... 50-63
Removal and installation of KDOC muffler............................................................................ 50-64
Removal and installation of KCCV ventilator......................................................................... 50-67
PC88MR-10
00 Index and foreword
Index
00-9