TM 10-3510-220-24
Table 2-2. Unit Troubleshooting (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
20. EXTRACTOR ROTATES IN CLOCKWISE DIRECTION. (Extractor should turn in a
counterclockwise direction when looking downward)
Remove belt cover and observe pulley rotation.
WARNING
High voltage is present on this equipment. Do not perform
maintenance with power on. Death or serious injury may
result.
If rotating clockwise, reverse any two leads of the three incoming power leads to
the extractor.
21. EXTRACTOR IS NOISY OR ACCELERATES TOO QUICKLY.
Step 1.
Check for top or bottom bearing failure. With curb and basket removed, push and pull
on centermost. A loud clicking noise with excessive play indicates a worn bearing.
a.
If bearings are worn, notify your supervisor.
b .
If bearings are not worn, proceed to next step.
Step 2.
Check for improper quantity of oil in center unit.
a.
If oil is low, lubricate center unit. Refer to LO 10-3510-220-12.
b.
If oil level is correct and problem persists, notify your supervisor.
22. EXTRACTOR HAS WATER ON OR AROUND BASE.
Step 1.
Check for restricted or clogged drain line.
a.
If drain line is clogged, unclog the drain.
b.
If drain line is serviceable, proceed to next step.
Step 2.
Check three curb to base gaskets for damage or improper installation.
a.
If gaskets are damaged, replace gaskets.
b.
If gaskets are serviceable and problem persists, notify supervisor.
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