ELECTRICAL/ FUEL PROCEDURES

Question 1

HOT BATTERY BUS CHECK (W BATTERY SWITCH OFF)

Answer 1

1. FUEL FIREWALL VALVES - CLOSED
2. BOOST PUMPS - ON (LISTEN FOR OPERATION)
3. BATTERY SWITCH - ON (“FUEL PRESS” ANN ILLUMINATED)
4. FUEL FIREWALL VALVES - OPEN (ANN “FUEL PRESS” EXTG)
5. BOOST PUMPS - OFF (ANN “FUEL PRESS” ILLUMINATED)

Question 2

CURRENT LIMITER CHECK (BATTERY ONLY)

Answer 2

1. BATTERY SWITCH - ON
2. L/R VOLT LOAD METERS - PREESS BOTH
3. 24 V ON BOTH LOAD METERS - NORMAL
4. 0 VOLTS ON ANY LOAD METER - FAILED CURRENT LIMITER

Question 3

CURRENT LIMITER CHEWCK (ENGINES RUNNING)

Answer 3

1. ONE GENERATOR - TURN ON EITHER L OR R
2. L/R VOLT/LOAD METER - PRESS BOTH
3. 20 VOLTS ON BOTH LOAD METERS - NORMAL
4. LESS THAN 28 VOLTS ON ANY LOAD METER - FAILED CURRENT LIMITER