Power Control; Engine Performance Check - Piper Malibu Meridian PA-46-500TP Airplane Maintenance Manual

1.

Engine Performance Check

WARNING: BEWARE PROPELLER BLAST AND ROTATING PROPELLER BLADES DURING ENGINE
OPERATION. EXERCISE CAUTION TO AVOID DAMAGE TO PERSONNEL AND
EQUIPMENT.
WARNING: FAILURE TO CONSULT APPLICABLE VENDOR PUBLICATION(S), WHEN SERVICING
OR INSPECTING VENDOR EQUIPMENT INSTALLED IN PIPER AIRCRAFT, MAY
RENDER THE AIRCRAFT UNAIRWORTHY. (SEE INTRODUCTION - SUPPLEMENTARY
PUBLICATIONS.)
CAUTION: BEFORE ATTEMPTING FULL POWER CHECKS, BE SURE THAT THE BRAKES ARE
PROPERLY MAINTAINED AND SET, AND THAT THE GROUND CONDITIONS WILL NOT
PERMIT THE WHEELS TO SLIP DURING FULL POWER CHECK.
See also Pratt & Whitney Canada's Maintenance Manual - Turboprop Gas Turbine Engine Model(s)
PT6A-38/-40/-41/-42/-42A - Part No. (P/N) 3021442, 71-00-00.
A. Remove cowlings, including the rear upper cowling (i.e. - hatchback) (See 71-10-00).
B. Start engine
(1) Manual override lever - OFF (i.e. - full aft and locked.)
(2) Power lever - IDLE.
(3) Condition control - CUTOFF/FEATHER.
(4) Electrical master switch - ON.
(5) Verify proper operation of engine gauges.
(6) Bleed air - OFF.
(7) Firewall fuel shutoff valve - OPEN (i.e. - handle pushed in and cover closed.)
(8) Fuel Pumps switch - ON.
(9) Verify that the low fuel pressure annunciator extinguishes.
(10) Engine ignition switch - AUTO.
(11) Engine start mode switch - AUTO (i.e. - light extinguished.)
(12) Check prop area clear, lift cover on engine start switch and push.
CAUTION: WHENEVER THE GAS GENERATOR FAILS TO LIGHT UP WITHIN 10
(13) Condition lever - RUN -- WHEN Ng REACHES 12% - 18%.
(14) Verify that starter disengages at 56% Ng.
(15) Engine ignition switch - AUTO.
(16) Verify that ignition annunciator extinguishes.
7H11
PIPER AIRCRAFT, INC.
PA-46-500TP, MALIBU MERIDIAN
MAINTENANCE MANUAL

POWER CONTROL

SECONDS AFTER MOVING THE CONDITION LEVER TO THE RUN
POSITION, SHUT OFF FUEL, STARTER AND IGNITION. ALLOW A 30-
SECOND FUEL DRAINING PERIOD FOLLOWED BY A 15-SECOND DRY
MOTORING RUN (SEE PILOT'S OPERATING HANDBOOK, PARA. 4.15)
BEFORE ATTEMPTING ANOTHER START. ALLOWING A RUNDOWN AFTER
THE 15-SECOND DRY RUN IS NOT NECESSARY IF STARTER LIMITS
PERMIT. IF, FOR ANY REASON, A STARTING ATTEMPT IS DISCONTINUED,
ALLOW THE ENGINE TO COME TO A COMPLETE STOP AND THEN
ACCOMPLISH A DRY MOTORING RUN. REPEAT THE COMPLETE STARTING
SEQUENCE, OBSERVING THE STARTER LIMITS.
(PIR-PPS60187, Rev. D.)
76-10-00
Apr 15/07
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