TM 5-3895-373-34
Table 2-3. Propulsion System Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3.
TRACK MOVES ONE DIRECTION ONLY (FORWARD OR REVERSE).
WARNING
The following test is completed with paving machine supported off of the ground. Use
extreme caution while manual engaging pump pilot control valve as the paving machine
tracks may move. Make sure BOTH tracks are clear before manually engaging pilot control
valve. Severe personnel injury or death may result from crushing hazard or from sudden
movement of paving machine track if extreme caution is not used.
Never crawl under paving machine or screed to perform maintenance unless equipment is
securely cribbed. Equipment may fall and cause serious injury or death to personnel.
Step 1.
Jack and crib (for track maintenance) paving machine per TM 5-3895-373-20. Open right access
door per TM 5-3895-373-10. Remove right access cover per TM 5-3895-373-10. Check operation
of pump pilot control valve by manually engaging pilot control valve of faulty track drive. If track
moves in both directions, pump pilot control valve is faulty.
Replace pump pilot control valve per paragraph 2.31.
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