TM 10-3500-220-24
Table 3-1. Direct Support Troubleshooting (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
EXTRACTOR ASSEMBLY
7.
EXTRACTOR FAILS TO START
Step 1.
Step 2.
Step 3.
Check for improper function and/or improper adjustment of lid-closed microswitch.
With power off, measure continuity of lid-closed microswitch as lid is opened and
closed.
a.
If switch does not work, replace or adjust lid-safety switch. (Refer to
paragraph 3-17).
b.
If switch works properly, proceed to next step.
Check for improper function and sticking of lid lock solenoid and/or cam.
If solenoid or cam is defective, replace lid lock solenoid and tighten or replace
cam. (Refer to paragraph 3-17.)
b.
If solenoid and cam are serviceable, proceed to next step.
Check for improper operation of timer. Observe red needle movement from set time
toward zero on the scale.
a.
If red needle fails to move, replace timer. (Refer to paragraph 3-17.)
b.
If problem persists, notify your supervisor.
8.
EXTRACTOR STARTS BUT BASKET FAILS TO TURN.
Check to see if basket is not fully engaged and is slipping on the hex drive ball. Rotate
basket by hand and replace hex drive ball if play is excessive. (Refer to paragraph 3-15.)
Basket should not rotate more than one-eighth turn on hex drive ball.
a. If basket rotates too far on hex drive ball, replace hex drive ball and cap.
(Refer to paragraph 3-15.)
b. If basket still rotates too far, replace basket. (Refer to paragraph 3-15.)
9.
EXTRACTOR WILL NOT OPERATE PROPERLY.
Step 1. Check for cracked, worn, or broken motor parts and bent shaft.
a. If motor is damaged, replace extractor motor as required. (Refer to paragraph
2-31.)
b. If motor is not damaged, proceed to next step.
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