|
| |
TM 5-4210-233-14&P-1
4-2. Unit Troubleshooting-Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ELECTRICAL SYSTEM - APU AND 110-VOLT CIRCUITS - Continued
5DRIVERS/PASSENGERS FLOODLIGHT (11 OV) DOES NOT ILLUMINATE WITH CAB SWITCH
AND AUXILIARY POWER UNIT RUNNING - Continued
Step 4. Check relay inside service panel for proper operation.
Replace relay (see para 4-9.4).
Step 5. Check for +12V at circuit breaker #14 at batteryaccessory buss.
Replace breaker (see para 4-99).
Step 6. Check wiring for continuity.
Replace wire (see para 4-9.4).
6
NO POWER AT ANY 11OV OUTLET (EXCEPT LADDER TIP)
(Refer to Electrical Wiring Diagrams, Appendix H, Sheet 15 of 16.)
Step 1. Check outlet.
Replace outlet (see para 4-117).
Step 2. Check breaker.
Reset/replace breaker (see para 4-119).
Step 3. Check auxiliary power unit for proper operation.
Refer to auxiliary power unit test procedure (see Chapter 6).
Step 4. Check writing for continuity.
Replace wire (see para 4-9.4).
4-144
|
