TM 5-3610-285-14
Table 2-2. TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. EXPOSURE LAMP DOES NOT OPERATE IN MANUAL OR AUTOMATIC OPERATIONS.
Step 1. Check that glass frame is properly locked in its horizontal position.
(a)
If glass frame properly locked in place, proceed to step 2.
(b)
Properly lock glass frame in place.
Step 2. Check for defective exposure lamp.
(a)
Replace exposure lamp (paragraph 2-10.1).
(b)
If problem remains, refer to organizational maintenance.
3. HALATION OCCURS: APPEARS AS DOT SPREADING; COPY ENLARGED AT EDGES; SHADOWS
ON TYPE.
Step 1. Check for overexposure which may accent poorly stripped areas.
(a)
If exposure correct proceed to step 2.
(b)
Adjust for proper exposure.
Step 2. Check for yellowed or defective sensitivity guide.
(a)
If guide is not defective, proceed to step 3.
(b)
Replace sensitivity guide.
Step 3. Check flat for proper stripping.
(a)
If flat properly prepared, proceed to step 4.
(b)
Have flat properly stripped.
Step 4. Check vacuum level used.
(a)
If vacuum correct, proceed to step 5.
(b)
Repeat procedure using proper vacuum.
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