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100 Index
Table of contents
H-9 Speed or power of bucket is low........................................................................................... 12
H-10 Work equipment does not move in its single operation ...................................................... 13
H-11 Hydraulic drift of work equipment is large........................................................................... 14
H-12 Time lag of work equipment is large................................................................................... 15
H-13 One-touch power max system does not operate................................................................ 15
H-14 Work equipment loaded more is slower during compound operation................................. 16
H-15 Boom RAISE speed is low in compound operation of swing + boom RAISE..................... 16
H-16 Travel speed lowers largely during compound operation of work equipment/swing + travel.... 17
H-17 Machine deviates during travel........................................................................................... 18
H-18 Travel speed is low............................................................................................................. 19
H-19 Machine cannot be steered easily or steering power is low ............................................... 20
H-20 Travel speed does not change or it is kept low or high ...................................................... 21
H-21 Track does not move (Only either side).............................................................................. 21
H-22 Machine does not swing..................................................................................................... 22
H-23 Swing acceleration or swing speed is low .......................................................................... 23
H-24 Excessive overrun when stopping swing............................................................................ 24
H-25 When upper structure stops swinging, it makes large shock ............................................. 25
H-26 When upper structure stops swinging, it makes large sound ............................................. 25
H-27 Hydraulic drift of swing is large........................................................................................... 26
H-28 Attachment circuit does not change ................................................................................... 27
H-29 Flow rate in attachment circuit cannot be adjusted ............................................................ 27
600 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 lack 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/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
100 General information on disassembly and assembly
How to read this manual .............................................................................................................
Coating materials list...................................................................................................................
Special tool list ............................................................................................................................
Sketches of special tools............................................................................................................. 10
200 Engine and cooling system
Removal and installation of fuel supply pump assembly.............................................................
Removal and installation of fuel injector assembly .....................................................................
Removal and installation of cylinder head assembly .................................................................. 13
Removal and installation of front oil seal..................................................................................... 26
Removal and installation of rear oil seal ..................................................................................... 28
Removal and installation of radiator assembly............................................................................ 31
Removal and installation of aftercooler assembly ....................................................................... 33
Removal and installation of hydraulic oil cooler assembly .......................................................... 35
Removal and installation of engine and hydraulic pump assembly............................................. 37
Removal and installation of engine hood assembly .................................................................... 45
PC160LC-8
SEN04568-13
SEN04802-00
4
8
9
SEN04758-02
2
4
7
SEN04759-04
2
6
9
00-100
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