Komatsu ecot3 PC300LC-8 Shop Manual page 808

SEN02633-03 40 Troubleshooting
H-13 Other work equipment moves when relieving single circuit.................................................................. 18
H-14 Power max. switch does not operate ................................................................................................... 19
H-15 In compound operation, work equipment with larger load moves slowly ............................................. 19
H-16 In swing + boom RAISE operation, boom moves slowly ...................................................................... 20
H-17 In swing + travel operation, travel speed drops sharply ....................................................................... 20
H-18 Machine swerves in travel .................................................................................................................... 21
H-19 Machine travels slowly ......................................................................................................................... 22
H-20 Machine cannot be easily steered or lacks power................................................................................ 23
H-21 Travel speed does not shift, or it is too slow or fast.............................................................................. 24
H-22 Track shoe does not turn (on one side only) ........................................................................................ 25
H-23 Machine does not swing....................................................................................................................... 26
H-24 Swing acceleration is poor, or swing speed is slow.............................................................................. 28
H-25 Excessive overrun when stopping swing.............................................................................................. 30
H-26 There is big shock when stopping swing.............................................................................................. 31
H-27 Large sound is made when upper structure stops swinging. ............................................................... 31
H-28 Swing hydraulic drift is too big.............................................................................................................. 32
2
PC300, 350-8