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OPERATOR STATION CHECKS--ENGINE ON - Continued
OPERATOR STATION CHECKS--ENGINE ON - Continued

Maintenance Manual For Hydraulic Excavator Model 230Lcr
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TM 5-3805-280-24-1
Operational Checkout Procedure
YES: Go to next check.
TRAVEL ALARM STOP
A--Travel Alarm Cancel Switch
CIRCUIT CHECK
NO: Check switch and
CAUTION: Machine will move during this
wiring harness. Go to
check. Make sure area is clear, and large
Group 9015-15.
enough to operate the machine.
9005
10
NOTE: Travel alarm must operate for this check.
7
T102919 UN08AUG96
Push propel pedals or levers and allow travel alarm to
operate for a minimum of 12 seconds.
While continuing travel, push travel alarm cancel switch
(A).
Does travel alarm stop sounding?
1/1
PILOT SHUT-OFF VALVE
YES: Check adjustment.
CAUTION: Machine may move during this
CHECKS
Go to Group 9025-20.
check. Make sure area is clear and large
Repair or replace pilot
enough to operate all machine functions.
shut-off valve. Go to
Group 3360.
Run engine at slow idle.
NO: Continue check.
Pilot shut-off lever in LOCKED (rearward) position.
T7351CC
UN22AUG90
Actuate controls for dig and propel functions.
Do any dig or propel functions operate?
Push pilot shut-off lever to UNLOCKED position
YES: Go to next check.
(forward).
NO: Check adjustment.
Actuate controls for dig and propel functions.
Go to Group 9025-20.
Repair or replace pilot
shut-off valve. Go to
Do all functions operate?
Group 3360.
T7351CB
UN22AUG90
1/1
2-7


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