TM 5-3810-305-23
FIELD MAINTENANCE
TROUBLESHOOTING PROCEDURES
BOOM EXTEND CIRCUIT
INITIAL SETUP:
Tools and Special Tools
References (cont.)
Tool Kit, General Mechanic's (WP 0171, Table 1,
Item 17)
References
TM 5-3810-305-10
TROUBLESHOOTING PROCEDURE
SYMPTOM
BOOM EXTEND FUNCTION WILL NOT OPERATE
MALFUNCTION
Load Too Great.
CORRECTIVE ACTION
Consult capacity chart for maximum load and reduce load as required (TM 5-3810-305-10).
MALFUNCTION
Anti-Two Block 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
Rotary Manifold Leaking Internally.
CORRECTIVE ACTION
1.
Repair rotary manifold (WP 0135).
2.
Replace rotary manifold (WP 0135).
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03/15/2011Rel(1.8)root(tswp)wpno(T00014)