Komatsu PC200-8M0 Shop Manual page 12

SEN06111-03
H-14 In combined operation of work equipment,
equipment having heavier load moves slower........................................................... 24
H-15 In combined operation of swing and boom RAISE, boom rising speed is low ................ 25
H-16 Travel speed drops largely in combined operation of swing and travel .......................... 26
H-17 Machine does not travel straight ..................................................................................... 27
H-18 Travel speed is low ......................................................................................................... 28
H-19 Machine is hard to steer or travel power is low............................................................... 29
H-20 Travel speed does not change or travel speed is low/high ............................................. 30
H-21 One of tracks does not run.............................................................................................. 31
H-22 Upper structure does not swing ...................................................................................... 32
H-23 Swing acceleration is poor or swing speed is low........................................................... 34
H-24 Upper structure overruns remarkably when it stops swinging ........................................ 36
H-25 Shock is large when upper structure stops swinging ...................................................... 37
H-26 Large sound is made when upper structure stops swinging ........................................... 38
H-27 Hydraulic drift of swing is large ....................................................................................... 39
H-28 Attachment circuit cannot be changed............................................................................ 40
H-29 Oil flow in attachment circuit cannot be controlled.......................................................... 41
600 Troubleshooting of engine (S-mode)
Method of using troubleshooting chart.....................................................................................
S-1 Startability is poor ..............................................................................................................
S-2 Engine does not start ........................................................................................................
S-3 Engine does not pick up smoothly .................................................................................... 10
S-4 Engine stops during operation .......................................................................................... 11
S-5 Engine runs rough or is unstable ...................................................................................... 12
S-6 Engine lacks power ........................................................................................................... 13
S-7 Exhaust smoke is black (incomplete combustion) ............................................................ 14
S-8 Oil consumption is excessive (or exhaust smoke is blue)................................................. 15
S-9 Oil becomes contaminated early ....................................................................................... 16
S-10 Fuel consumption is excessive ....................................................................................... 17
S-11 Oil is in coolant (or coolant spurts or coolant level goes down)....................................... 18
S-12 Oil pressure drops........................................................................................................... 19
S-13 Oil level rises (coolant or fuel in oil) ................................................................................ 20
S-14 Coolant temperature rises too high (overheating)........................................................... 21
S-15 Unusual noise is made.................................................................................................... 22
S-16 Vibration is excessive...................................................................................................... 23
50 Disassembly and assembly
100 General information on disassembly and assembly
How to read this manual ..........................................................................................................
Coating materials list ...............................................................................................................
Special tools list .......................................................................................................................
Sketches of special tools ......................................................................................................... 12
200 Engine and cooling system
Removal and installation of fuel supply pump assembly .........................................................
Removal and installation of fuel injector assembly ..................................................................
Removal and installation of engine front oil seal ..................................................................... 13
Removal and installation of engine rear oil seal ...................................................................... 18
Removal and installation of cylinder head assembly ............................................................... 21
Removal and installation of radiator assembly ........................................................................ 36
Removal and installation of hydraulic oil cooler assembly....................................................... 38
Removal and installation of aftercooler assembly ................................................................... 40
Removal and installation of fuel cooler assembly.................................................................... 43
Removal and installation of engine and hydraulic pump assembly ......................................... 44
300 Power train
Removal and installation of final drive assembly .....................................................................
Disassembly and assembly of final drive assembly.................................................................
Removal and installation of swing motor and swing machinery assembly .............................. 22
10
00-100
Table of contents
SEN06140-00
SEN06142-00
SEN06143-00
SEN06144-00
PC200, 200LC, 220, 220LC-8M0
100 Index
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6
7
2
4
7
2
6
2
4