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LEVELING VALVE FAILS TO LOCK DOWN AUTOMATICALLY WHEN ENGINE IS STOPPED
CUSHION-HITCH PUMP MAKES EXCESSIVE NOISE AND LOAD CYLINDER ROD DOES NOT MOVE SMOOTHLY

Field Maintenance Manual For Military 621G Scraper -2 Page Navigation
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TM 5-3805-296-23-2
0127
Table 1. Leveling Valve Fails To Lock Down When Engine Is Stopped.
0127
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
NOTE
Leveling Valve Fails To Lock
Down When Engine Is
Proceed directly to Test Step 2 if sent here by Implement, Cushion Hitch,
Stopped
and Steering System Operation Test.
Test Step 1. Verify Malfunction is
Active.
Perform Implement, Cushion Hitch,
Cause of Malfunction Identified and
and Steering System Operation Test
Repaired During Testing
(WP 0172).
Troubleshooting complete.
Cause of Malfunction Not Identified
During Testing, Malfunction Active
Proceed to Test Step 2.
Test Step 2. Perform Corrective
Action.
Directional spool inside leveling valve
Replace leveling valve (WP 0405).
malfunctioning.
END OF WORK PACKAGE
0127-2


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