TROUBLESHOOTING (Continued)

TM 9-4910-663-34 Table 2-5. TROUBLESHOOTING (Continued) MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION M2. Set LOAD SELECTION 25 AMPS/12.5 AMPS switch S23 to ON position. Press DC AMMETER LOAD & STARTER OUTPUT CURRENT BATTERY CHARGE CURRENT PRESS FOR BATTERY CHARGE RATE switch S15, and readjust BATTERY CHARGE CIRCUIT control T3 to maintain 12 volt indication on DC VOLTMETER OUTPUT VOLTAGE meter M2. Check to see that CHARGE INDICATOR is lighted, and DC AMMETER LOAD & STARTER OUTPUT CURRENT BATTERY CHARGE CURRENT meter M3 indicates approximately 10 amperes when switch S15 is pressed. Proceed to step 2. Step 2. Set circuit breaker switch CB1 to OFF position. Using ohmmeter, check for continuity across terminals of CIRCUIT BREAKERS CB11 DC circuit breaker. Replace circuit breaker CB11 if open indication is obtained. Step 3. With circuit breaker switch CB1 set to OFF position, check for continuity across terminals of CIRCUIT BREAKERS CB8 DC BATT. CHG. circuit breaker, using ohmmeter. Replace circuit breaker CB8 if open indication is obtained. Step 4. If CHARGE INDICATOR DS8 does not light, remove lamp from CHARGE INDICATOR DS8 and check for open filament, using ohmmeter. Replace lamp if filament is open. Step 5. With circuit breaker switch CB1 and CHARGE TIMER (MINUTES) control both set to OFF position, check for continuity across terminals of CIRCUIT BREAKERS CB6 AC BATT. CHG. circuit breaker, using ohmmeter. Replace circuit breaker CB6 if open indication is obtained. Step 6. Disconnect lead from common side of switch portion of CHARGE TIMER (MINUTES) timer TD1, position timer TD1 to 10 minute setting, and check for continuity across switch portion of timer TD1, using ohmmeter. 2-40