TM 5-3610-285-14
Table 5-5. ORGANIZATIONAL TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3.
RECIRCULATION PUMPS DO NOT OPERATE WHEN MAIN DRIVE AND DRYER AND DEV. HEAT
SWITCHES ARE ON. BLOWER OPERATES - Cont
Step 2. Check for defective fuse FU2.
(a)
If fuse is good, proceed to step 3.
b)
If fuse is open, replace fuse (paragraph 5-16.1).
WARNING
Electrical shock hazard. You must stand on rubber matting while performing this procedure.
Step 3. Check voltage between terminal block connector 1-6 and ground.
(a)
If 120 V ac is present, refer to direct support/general support maintenance for repair of recirculation
pump.
(b)
If voltage is not present, replace power supply circuit board 600 (paragraph 5-16.4).
(c)
If malfunction persists, refer to direct/general support maintenance.
5-109