Piper Navajo Chieftain PA-31-350 Service Manual page 427

NAVAJO CHIEFTAIN SERVICE MANUAL
TABLE VII-II. TROUBLESHOOTING CHART (LANDING GEAR SYSTEM) (cont)
Trouble
Cause
Remedy
No green light on
panel when gear are
down.
Circuit breaker out.
Indicator light burned
out.
Check circuit breaker.
Replace indicator light.
Lock switch defective
or out of adjustment.
Gear not locked in
down position.
Replace and/or adjust
lock switch.
Adjust the gear.
Flashing red indi-
cator light or warn-
ing horn sounding
when power from one
or both engines is
above 15 inches of
manifold pressure.
Red indicator light
stays on with gear
up and locked.
Flashing red light
and warning horn
fail to operate when
power from both
engines is reduced
below 14 or 15
inches manifold
pressure.
Throttle switches are
faulty.
Throttle switches out
of adjustment.
Doors could be open.
Switch defective.
Throttle switches out
of adjustment.
Throttle switches are
defective.
Horn or light defective.
Replace switches.
Adjust throttle switches.
Adjust doors.
Replace defective
switch.
Adjust throttle switches.
Replace switch.
Replace defective part.
Defective wiring.
Check wiring.
Reissued: 9/23/80
LANDING GEAR AND BRAKE SYSTEM
2G12