Komatsu 80001 Shop Manual page 10

00 Index and foreword
H-17 Travel speed is low............................................................................................................. 19
H-18 Machine cannot be steered easily or steering power is low ............................................... 20
H-19 Travel speed does not change or it is kept low or high ...................................................... 21
H-20 Track does not move (Only either side).............................................................................. 21
H-21 Machine does not swing..................................................................................................... 22
H-22 Swing acceleration or swing speed is low .......................................................................... 23
H-23 Excessive overrun when stopping swing............................................................................ 24
H-24 When upper structure stops swinging, it makes large shock ............................................. 25
H-25 When upper structure stops swinging, it makes large sound ............................................. 25
H-26 Hydraulic drift of swing is large........................................................................................... 26
H-27 Flow rate in attachment circuit cannot be adjusted ............................................................ 27
Troubleshooting of engine (S-mode)
Method of using troubleshooting chart ........................................................................................
S-1 Starting performance is poor ................................................................................................
S-2 Engine does not start............................................................................................................
S-3 Engine does not pick up smoothly........................................................................................ 12
S-4 Engine stops during operations ............................................................................................ 13
S-5 Engine does not rotate smoothly .......................................................................................... 14
S-6 Engine lacks output (or lacks power).................................................................................... 15
S-7 Exhaust smoke is black (incomplete combustion)................................................................ 16
S-8 Oil consumption is excessive (or exhaust smoke is blue) .................................................... 17
S-9 Oil becomes contaminated quickly ....................................................................................... 18
S-10 Fuel consumption is excessive........................................................................................... 19
S-11 Oil is in coolant (or coolant spurts back or coolant level goes down) ................................. 20
S-12 Oil pressure drops .............................................................................................................. 21
S-13 Oil level rises (Entry of coolant or fuel)............................................................................... 22
S-14 Coolant temperature becomes too high (overheating) ....................................................... 23
S-15 Abnormal noise is made ..................................................................................................... 24
S-16 Vibration is excessive ......................................................................................................... 25
50 Disassembly and assembly
General information on disassembly and assembly
How to read this manual .............................................................................................................
Coating materials list...................................................................................................................
Special tool list ............................................................................................................................
Sketch of special tool ..................................................................................................................
Engine and cooling system
Removal and installation of fuel supply pump assembly.............................................................
Removal and installation of fuel injector assembly .....................................................................
Removal and installation of front oil seal.....................................................................................
Removal and installation of rear oil seal ..................................................................................... 10
Removal and installation of cylinder head assembly .................................................................. 13
Removal and installation of radiator assembly............................................................................ 23
Removal and installation of aftercooler assembly ....................................................................... 25
Removal and installation of work equipment oil cooler assembly ............................................... 27
Removal and installation of engine and work equipment pump assembly.................................. 29
Removal and installation of fuel tank assembly .......................................................................... 37
Power train
Removal and installation of travel motor and final drive assembly .............................................
Removal and installation of swing motor and swing machinery assembly..................................
Disassembly and assembly of swing machinery assembly.........................................................
Removal and installation of swing circle assembly ..................................................................... 12
Undercarriage and frame
Disassembly and assembly of track roller...................................................................................
Disassembly and assembly of idler assembly.............................................................................
Disassembly and assembly of recoil spring ................................................................................
PC130-8
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