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Table 2-2. Track Tension Troubleshooting - Continued | Up
TM-5-3895-373-34 Paving Machine Bituminous Material Crawler Mounted Diesel Engine Driven Manual | Next
3. AUXILIARY HYDRAULIC SUPPLY TO VIBRATION AND CYLINDER CIRCUITS FAULTY |
TM 5-3895-373-34
Table 2-2. Track Tension Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
TRACK FAILS TO MAINTAIN OPERATING TENSION- Continued.
WARNING
Hydraulic oil can be moderately flammable and can be an irritant to skin, eyes, and respiratory
system. Avoid prolonged exposure. Eye protection and rubber gloves must be worn when
working with hydraulic oil.
Step 3.
Install hydraulic system tester at outlet (1) for flow test per TM 9-4940-468-14. Check for flow at
stack valve outlet (1) to return manifold with screed lift switch in raise position.
If flow is present, replace stack relief valve per paragraph 2.44.
If no flow is detected, refer to MALFUNCTION 3. AUXILIARY HYDRAULIC SUPPLY TO
VIBRATION AND CYLINDER CIRCUITS FAULTY.
Step 4.
Disconnect hydraulic system tester per TM 9-4940-468-14. Reconnect all hydraulic lines. Close
center top left and center top right access doors per TM 5-3895-373-10. Close right access door
per TM 5-3895-373-10.
2.
TRACK FAILS TO MAINTAIN CORRECT TENSION (IN REVERSE ONLY).
Check if track maintains correct tension in forward direction.
If track fails to maintain correct tension in forward direction, refer to MALFUNCTION 1. TRACK
FAILS TO MAINTAIN OPERATING TENSION.
If track maintains correct tension in forward direction, replace/repair track tensioning relief valve per
paragraph 2.38.
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