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Table of Contents
H-26 Upper structure does not swing .................................................................................. 40- 416
H-27 Swing speed is low or acceleration is poor ................................................................. 40- 417
H-28 Upper structure overruns excessively when it stops swinging .................................... 40- 418
H-29 Shock is large when upper structure stops swinging .................................................. 40- 419
H-30 Large unusual noise is heard when upper structure stops swinging........................... 40- 420
H-31 Hydraulic drift of swing is large ................................................................................... 40- 421
Troubleshooting of engine (S-mode) ...................................................................................... 40- 422
Method of using troubleshooting chart................................................................................. 40- 422
S-1 Startability is poor.......................................................................................................... 40- 426
S-2 Engine does not start .................................................................................................... 40- 428
S-3 Engine does not pick up smoothly................................................................................. 40- 432
S-4 Engine stops during operation....................................................................................... 40- 433
S-5 Engine runs rough or is unstable................................................................................... 40- 434
S-6 Engine lacks power ....................................................................................................... 40- 436
S-7 Exhaust smoke is black (incomplete combustion)......................................................... 40- 438
S-8 Oil consumption is excessive (or exhaust smoke is blue) ............................................. 40- 440
S-9 Oil becomes contaminated early ................................................................................... 40- 441
S-10 Fuel consumption is excessive.................................................................................... 40- 442
S-11 Oil is in coolant (or coolant spurts or coolant level goes down) .................................. 40- 443
S-12 Oil pressure drops ....................................................................................................... 40- 444
S-13 Oil level rises (coolant or fuel in oil)............................................................................. 40- 446
S-14 Coolant temperature rises too high (overheating) ....................................................... 40- 448
S-15 Unusual noise is made ................................................................................................ 40- 449
S-16 Vibration is excessive.................................................................................................. 40- 450
50 Disassembly and assembly
General information on disassembly and assembly ............................................................... 50-
How to read Disassembly and Assembly............................................................................. 50-
Coating materials list............................................................................................................ 50-
Special tools list ................................................................................................................... 50-
Sketches of special tools ..................................................................................................... 50- 16
Engine and cooling system ..................................................................................................... 50- 24
Removal and installation of fuel supply pump assembly ..................................................... 50- 24
Removal and installation of fuel injector assembly .............................................................. 50- 30
Removal and installation of cylinder head assembly ........................................................... 50- 33
Removal and installation of radiator assembly .................................................................... 50- 50
Removal and installation of hydraulic oil cooler assembly................................................... 50- 52
Removal and installation of aftercooler assembly................................................................ 50- 54
Removal and installation of engine front seal ...................................................................... 50- 56
Removal and installation of engine rear seal ....................................................................... 50- 60
Removal and installation of engine, PTO and hydraulic pump assembly ............................ 50- 65
Removal and installation of cooling fan motor assembly ..................................................... 50- 73
Removal and installation of fuel tank assembly ................................................................... 50- 77
Power train.............................................................................................................................. 50- 78
Removal and installation of PTO assembly ......................................................................... 50- 78
Disassembly and assembly of PTO assembly..................................................................... 50- 80
Disassembly and assembly of final drive assembly............................................................. 50- 83
Removal and installation of swing motor and swing machinery assembly .......................... 50- 106
Disassembly and assembly of swing machinery assembly ................................................. 50- 108
Removal and installation of swing circle assembly .............................................................. 50- 123
Undercarriage and frame ........................................................................................................ 50- 124
Separation and connection of track shoe assembly ............................................................ 50- 124
Disassembly and assembly of one link in field..................................................................... 50- 128
Removal and installation of idler assembly.......................................................................... 50- 132
00-8
4
4
6
9
PC600, 650, 700-8E0
(04)
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