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

Page: 766 / 1956

PAGE 2
Feb 28/07
4C8
31-50-00
PIPER AIRCRAFT, INC.
PA-46-350P, MALIBU MIRAGE
MAINTENANCE MANUAL
PITOT HEAT OFF/INOP S/N’s 4636021 thru 4636374. Self-explanatory.
L PITOT HEAT S/N’s 4636375 and up. Illuminates when the appropriate pitot system
R PITOT HEAT fails.
PROP DE-ICE FAIL S/N’s 4636132 and up only. Illuminates if a fault develops in the PROP
HEAT system.
SELECT DE-ICE S/N’s 4636132 thru 4636313 only. Illuminates when the SMARTboot TM Ice
Detection system calculates the ice buildup on the vertical fin boot in
excess of 1/4 inch. Will remain illuminated until at least 90% of the ice cap
has been removed from the right horizontal stabilizer boot. This
annunciator is advisory only.
STALL WARN FAIL Illuminates if the lift computer fails and/or the STALL WARN circuit
breaker trips.
STARTER ENGAGE Illumination during engine cranking is normal. Illumination at any other
time indicates a problem.
SURFACE DE-ICE Illuminates when the de-ice boots inflate, i.e. - when the SURFACE DE-
ICE switch is depressed and the pneumatic de-ice system cycles in
sequence: tail, lower wing, upper wing.
VACUUM NO. 1 INOP S/N’s 4636021 and up. If either vacuum pump fails, the appropriate
VACUUM NO. 2 INOP annunciator light will illuminate.
WINDSHIELD HEAT FAIL Illuminates when an overtemperature condition exists or the windshield
temperature sensor fails. In normal operation, may also illuminate briefly
when switching from HIGH to LOW windshield heat.
2. Annunciator Removal and Installation
See 33-10-00.
3. Lamp Replacement
See 33-10-00.
4. Wiring
See 33-10-00 and 91-31-50.