TM 5-6675-321-14
Table 4-3.
DIRECT/GENERAL SUPPORT TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
9.
MOTOR OR ROLLERS SHUT DOWN WITH MOTOR SWITCH ON.
Step 1. Check
( a)
(b)
( c)
S t e p 2 . R a i se
for vibration or humming of motor.
If motor is vibrating or humming, proceed to step 2.
If no vibration or humming is present, replace motor
(paragraph 4 - 20 . 1) .
If malfunction is not corrected, proceed to step 3.
c a r r i a g e .
Check to see if main gear, secondary gear, or
pressure roller are jammed or stuck.
( a ) I f f r e e a n d c l e a r o f o b s t r u c t i o n s , p r o c e e d t o s t e p 3 .
(b) Remove obstacle.
Step 3.
Check to see if gears are riding free.
(a) If gears are free, proceed to step 4.
(b) Replace gear (paragraph 4 - 20 . 11).
Step 4.
Turn motor thermostat fully to the right, and check to see if motor
comes on.
Adjust motor thermostat (paragraph 4-20.7).
10. ROTATION OF TOP PRESSURE ROLLER IS NOT UNIFORM.
Refer to malfunction 8, step 3.
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