TM 10-3510-209-24
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.
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 centerpost. 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 10-3510-209-12.
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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