Piper Aircraft Corporation Malibu Mirage PA-46-350P, Airplane Maintenance Manual

Page: 845 / 1956

PAGE 1
Feb 28/07 4F19
32-60-00
PIPER AIRCRAFT, INC.
PA-46-350P, MALIBU MIRAGE
MAINTENANCE MANUAL
POSITION AND WARNING
1. Troubleshooting
WARNING: ALWAYS PLACE THE AIRPLANE ON JACKS BEFORE ATTEMPTING ANY
TROUBLESHOOTING OF THE LANDING GEAR. SEE 7-10-00.
CHART 1 (Sheet 1 of 3)
TROUBLESHOOTING LANDING GEAR WARNING SYSTEMS
Trouble Cause Remedy
Red gear unsafe light out Indicator lamp burned Replace lamp.
while gear is in transit. out.
Indicator light ground Check ground circuit.
incomplete.
Indicator light circuit Check wiring.
wire broken.
Indicator light circuit Reset circuit breaker
breaker open. and determine cause for
open circuit breaker.
Red gear unsafe light on One or more up limit Isolate and replace
though gear has retracted. switches failed. switch.
Nose gear up limit Check gear up adjustment
switch out of adjustment. and readjust up limit
switch.
Main gear not retracting Check gear up adjustment.
far enough to actuate
switch.
Red gear unsafe light on One or more down limit Isolate and replace switch.
though gear is down switches failed.
and locked.
Nose gear down limit Readjust down limit switch.
switch out of adjustment.
Main gear down limit switch Readjust down limit switch.
out of adjustment.
NOTE: The out of adjustment or failed switch may be determined by noting which down light is not lit.
Red gear unsafe light Light circuit wire loose. Check wiring.
operates on and off
after gear has retracted.
Hydraulic system Refer to Chapter 29 and
losing pressure. Section 32-30-00.
Gear up switch out of Check gear up adjustment
adjustment. and then
switch adjustment.