METAL IN MAIN FILTER
Make sure that there is enough fuel in the fuel
tanks for proper operation of boost pumps.
On No. 1 power distribution panel (4), check that
following circuit breakers are closed (pushed in):
LH FUEL PUMPS
MAIN FWD (5)
MAIN AFT (6)
AUX FWD (7)
AUX AFT (8)
LH FUEL PUMP CONT
MAIN FWD (9)
MAIN AFT (10)
Set the FWD AUX TANK switch (11) on ON.
Check that the L FUEL PRESS light (12) on the
master caution panel goes out.
Place an ear against fuel tank (14) in the area of
forward boost pump (13). If the sound of pump
is irregular or loud, the pump is defective. If
necessary, replace boost pump (Tasks 10-69
A seized forward boost pump can trip
LH FUEL PUMP FWD circuit breaker
Set switch (11) to OFF.