TM 5-3810-305-23
FIELD MAINTENANCE
TROUBLESHOOTING PROCEDURES
BOOM HOIST CIRCUIT
INITIAL SETUP:
References (cont.)
Tools and Special Tools
Tool Kit, General Mechanic's (WP 0171, Table 1,
Item 17)
References
TM 5-3810-305-10
TROUBLESHOOTING PROCEDURE
SYMPTOM
BOOM HOIST CYLINDER INOPERATIVE OR ERRATIC
MALFUNCTION
Load is Too Great.
CORRECTIVE ACTION
Consult capacity chart for maximum loads and reduce as required (TM 5-3810-305-10).
MALFUNCTION
Anti-Two Block System Malfunctioning.
CORRECTIVE ACTION
1.
Ensure proper connection of counterweight.
2.
Replace relay in anti-two block panel (WP 0067).
3.
Repair open circuits in wiring (WP 0162).
4.
Lubricate disconnect assemblies (TM 5-3810-305-10).
5.
Replace disconnect assemblies (WP 0145).
MALFUNCTION
Boom Hoist Hold Valve Malfunctioning.
CORRECTIVE ACTION
Replace boom hoist hold valve (WP 0138).
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03/15/2011Rel(1.8)root(tswp)wpno(T00013)