Komatsu Galeo PC800-8 Shop Manual page 796

SEN00794-02
H-13 Heavy lift function does not operate or stop......................................................................................... 22
H-14 Machine push-up function does not operate or stop............................................................................ 22
H-15 Boom shockless function cannot be turned ON or OFF ...................................................................... 22
H-16 Machine deviates in one direction........................................................................................................ 24
H-17 Machine deviates largely at start ......................................................................................................... 26
H-18 Machine deviates largely during compound operation......................................................................... 27
H-19 Travel speed or power is low ............................................................................................................... 27
H-20 Machine does not travel (only one track) ............................................................................................. 28
H-21 Travel speed does not change............................................................................................................. 29
H-22 Upper structure does not swing ........................................................................................................... 30
H-23 Swing speed or acceleration is low...................................................................................................... 32
H-24 Swing speed or acceleration is low during compound operation of swing and work equipment ......... 34
H-25 Upper structure overruns excessively when it stops swinging ............................................................. 36
H-26 Large shock is made when upper structure stops swinging ................................................................ 37
H-27 Large abnormal sound is made when upper structure stops swinging ................................................ 38
H-28 Hydraulic drift of swing is large ............................................................................................................ 39
H-29 Fan rotation is abnormal (Fan sound/vibration is abnormally large or fan overheats) ......................... 40
2
40 Troubleshooting
PC800, 850-8