TM 5-3610-285-14
Table 2-4. ORGANIZATIONAL TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3.
POWER SUPPLY COOLING FAN(S) DO NOT OPERATE - Cont
4.
POWER ON PILOT LAMP DOES NOT OPERATE.
Replace POWER ON pilot/exposing indicator lamp (paragraph 2-16.13).
5.
NEITHER VACUUM PUMP OPERATES.
Check for defective fuse Fl or F2.
(a)
If fuses are good, replace vacuum pumps relay (K3) (paragraph 2-16.17).
(b)
If fuse is defective, replace fuse.
6.
ONLY ONE VACUUM PUMP OPERATES. Remove control panel (paragraph 2-16.10), and check continuity
of vacuum pump switch for inoperative pump.
(a)
If continuity present, replace vacuum pump (paragraph 2-16.5).
(b)
If continuity not present, replace vacuum pump switch (paragraph 2-16.12).
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