TYPE OF TROUBLE
POSSIBLE CAUSE RECOMMENDED CORRECTIVE
PROCEDURE
Motor runs but transmission does
not operate
Bronze worm gear worn Replace bronze worm gear (M-1-1253-C) in
transmission.
Bronze worm gear failure Transmission operated when it was
low on oil
Check transmission for seal leaks.
Transmission runs attachment
shaft but beater shaft does
not turn
Broken beater shaft or stripped
ring gear
Replace broken beater shaft (M-2-1250) or
stripped ring gear (M-2-1264).
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