TM 5-6675-324-14
Table 4-4. ORGANIZATIONAL TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
6. BLOWER MOTOR RUNS BUT DRIVE MOTOR DOES NOT - Cent
Step 2.
Check for 44 V dc supply to drive motor at motor leads.
(a) If no voltage is indicated, check PC board and power
transformer outputs.
(b) If 44 V dc is present, motor has failed. Replace motor
Step 3.
Check exposure control potentiometer. Resistance should be
87 k ohms 10%.
(a) Replace potentiometer (paragraph 4-16.7)
(b) Replace PC board (paragraph 4-16.8).
7.
LIGHT STREAKS ON COPY.
Check exposure lamp for darkened glass or sagging filament.
Replace exposure lamp (paragraph 4-16. 12).
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