TM 5-6675-319-14
Table 7-2. TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. LIGHT FLICKERS.
Check position of blower motor power switch.
Turn on blower motor power switch.
3. WHITE SPOTS ON FILM.
Check fluorescent lamps for local darkening.
(a) Turn off blower and allow dark spots to clear from lamps.
(b) Replace fluorescent lamps (paragraph 7-10.4) .
4. MAGNIFICATION OR TILT MOTOR WILL NOT OPERATE.
Step 1.
Check to see if TILT and MAG assemblies are properly plugged in.
(a) If TILT and MAG assemblies are properly plugged in, proceed
to step 2.
(b) Plug in TILT and MAG assemblies.
(c) Reverse TILT and MAG assembly plugs to correct fault.
Step 2.
Visually check fuses FU-1 and FU-2.
( a ) I f f u s e s a r e i n t a c t , p r o c e e d t o s t e p 3.
(b) Refer to organizational maintenance.
Step 3.
Check for broken shear pin.
Refer to organizational maintenance.
7-98