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9 - 17
Section C
Electrics
9803/6410
Section C
9 - 17
Issue 1
Fault Finding
Fault Diagnosis (continued)
Engine Trouble, Problem No 11 (continued)
Troubleshoot
Cause
Remedy
Engine system
Inspect
Abnormality
engine
system.
Breakage of LR
wiring between stop
Repair
motor connector
LR wiring.
and CND or between
CND and fuse
Replace
Stop motor defect
stop motor.
Shut down relay
Replace
defect
shut down
relay 1.
Shut down relay 2
Replace
Defect or breakage
shut down
of L wiring between
relay 2 or
shut down 1 and 2
repair L
wiring.
Is fuel cut lever on stop side
YES
YES
YES
NO
NO
NO
NO
Remove the stop motor connector
and connect female side (cab side)
to service connector (6 pin).
Measure voltage between LR and
ground, connecting LR to + and
ground to -.
Is it within the range of 20~30V.
Key switch
ON
YES
Measure voltage between shut
down relay 1 connector L and
ground, connecting L to + and
ground to -.
Is the following true?
Emergency stop button ON: 0V
Emergency stop button OFF:
20~30V
Remove the stop motor
connector and attach service
connector to female side.
Confirm continuity between L
and LW. Is the following true?
Key switch ON: Continuity
Key switch OFF: °°
To judge if relay is defective
or not, interchanging the
relay with one in the
centralized relay is another
method.
Summary of Contents for JS130
Page 65: ...Section 3 Section 3 9803 6410 Issue 1 9 1 9 1 Routine Maintenance Component Location Diagram...
Page 118: ......
Page 119: ...3 1 Section C Electrics 9803 6410 Section C 3 1 Issue 1 Layout Operator s Cab...
Page 142: ...5 3 Section C Electrics 9803 6410 Section C 5 3 Issue 1 Pump Control FLOW CHART...
Page 207: ......
Page 209: ......
Page 210: ...3 4 Section E Hydraulics 9803 6410 Section E 3 4 Issue 2 Schematics Shuttle Block...
Page 532: ...Contents Page No Technical Data 1 1 i Engine 9803 6410 i Issue 1 Section K Section K...