TM 5-3805-298-23-2
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Table 1. Boom Will Not Raise or Lower - Continued.
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MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Boom Will Not Raise or
Lower - Continued
Figure 1. Pilot Control Hoses.
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10. Turn battery disconnect switch to
ON position and start engine
(TM 5-3805-298-10).
11. Operate bucket rollback and dump
Boom Raises and Lowers Replace
controls (TM 5-3805-298-10).
pilot control valves (WP 0379).
Proceed to Test Step 5.
Boom Does Not Lower Replace
main control valve (WP 0371).
Proceed to Test Step 5.