TM 5-3610-257-14
Table 3-6. DIRECT/GENERAL SUPPORT TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4.
FLASH CYCLE IS ERRATIC - Cont
(a)
Remove retaining screws with rubber washers attached.
(b)
Remove rear cover.
(c)
Tighten/replace bulb (paragraph 3-20.1).
(d)
Tighten thumbscrews on photo tube.
5.
LAMPS TURN ON WHEN INSTRUMENT POWER ON SWITCH IS TURNED ON.
Check for defective camera lamp contactor.
Refer to Lithographic Copying Camera maintenance instructions (TM
5-3610-258-14).
6.
FLASH CYCLE WILL NOT START.
Check for defective flash relay.
Troubleshoot through selective replacement of plug-in relays lo-
cated in front section (paragraph 3-20.4).
7.
HIGHLIGHT EXPOSURE WILL NOT START.
Check for defective highlight relay.
Troubleshoot through selective replacement of plug-in relays lo-
cated in front section (paragraph 3-20.4).
8.
CANCEL BUTTON WILL NOT OPERATE.
Check for defective cancel relay.
Replace cancel relay (paragraph 3-20.5).
9.
START OPERATION WILL NOT FUNCTION.
Check for defective plug-in relay in rear case.
Replace plug-in relay (paragraph 3-20.3).
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