TM-5-3895-371-24-P
BITUMINOUS DISTRIBUTOR BODY M918, MODEL D-63
TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL WITH REPAIR PARTS AND SPECIAL TOOLS LIST
MARCH 1981
TM-5-3895-371-24-P - Page 36 of 330
TM 5-3895-371-24 & P
MALFUNCTION
Table 2-2. Troubleshooting (Continued).
TEST OR INSPECTION
CORRECTIVE ACTION
18.
LEFT CONTROL VALVE LEAKS AT TOP:
Step 1.
Worn packing.
Replace packing (para 2-32).
Step 2.
Circulating in bar at too great pump speed.
Pump speed should not exceed 160 rpm when circulating in bar.
19. INTAKE VALVE LEAKS:
Step 1.
Insufficient spring tension.
Tighten spring on operating shaft (para 2-30).
Step 2.
Scratched or scored valve.
Replace valve (para 2-30).
20. NOZZLE VALVE STUCK OR LEAKS:
Step 1.
Bar pressure seems to keep them tight.
To loosen, rap end of plug stem.
Step 2.
Valves scratched or scored.
Replace valve (para 2-38).
Step 3.
Insufficient clearance between plug and case.
Loosen adjusting nut.
2-13
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