Komatsu Galeo PC138US-8 Shop Manual page 671

40 Troubleshooting
Trouble (2) All work equipment, swing, and travel mechanism cannot be locked.
Related
information
Defective lock lever switch
1
Possible causes
(Internal short circuit)
and standard
value in normal
state
Hot short (Short circuit with
2
24V circuit) in wiring harness
Circuit diagram related
PC138US, USLC-8
Cause Standard value in normal state/Remarks on troubleshooting
a Prepare with starting switch OFF, then carry out troubleshoot-
Between (1) – (2)
a Prepare with starting switch OFF, then turn starting switch ON
Wiring harness between S14 (male) (2) –
V01 (female) (2), – D01 (female) (4)
ing without turning starting switch ON.
S14 (female) Lock lever
and carry out troubleshooting.
SEN02467-00
Resistance
Lock Min. 1 Mz
Max. 1 z
Free
Voltage Max. 1 V
17