TM 5-3610-285-14
Table 10-3. TROUBLESHOOTING-Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4.
CONTACT PRINTING LAMP WILL NOT LIGHT-Cont
Step 2. Check circuit breaker position in circuit breaker box.
(a) If circuit breaker ON, proceed to step 3.
(b) If circuit breaker off or tripped, turn circuit breaker ON.
Step 3. Check for defective lamp.
(a) Replace lamp (paragraph 10-10.3).
(b) If new lamp does not correct problem, replace contact printing lamp and timer control box.
5.
WET AND DRY BULB TEMPERATURE READINGS ARE CONSTANTLY IDENTICAL.
Lack of water in cistern.
Add distilled water.
6.
WET BULB READINGS DO NOT AGREE WITH OTHER PSYCHROMETERS.
Step 1. Dirty wick.
Clean cistern, replace wick, and add distilled water.
Step 2. Thermometer(s) have shifted on scale.
Replace psychrometer.
10-24
