Piper Malibu Meridian PA-46-500TP Airplane Maintenance Manual page 1490

(17) Ensure that the engine accelerates normally to idle speed and the maximum I.T.T. starting limit
is not exceeded (i.e. - 800 to 1000 °C for no more than five seconds).
WARNING: STABILIZED GROUND OPERATION BELOW 1200 RPM (N P ) CAN GENERATE
C. Idle engine for 5 minutes. Observe all engine gauges for proper operation.
D. Shut down engine
(1) Power lever - IDLE.
(2) Condition lever - CUTOFF/FEATHER.
(3) Fuel Pumps - OFF.
(4) Electrical master - OFF
E. Check for fuel and oil leaks. Check oil level. Refill if necessary to proper level. (Oil level should be
centered in sight glass.)
F. Install cowlings (see 71-10-00).
G. Repeat step B (i.e. - start engine), above.
H. Overspeed governor test - (HTG test)
(1) Start engine and allow engine instruments to stabilize.
(2) Set power levers for 1900 rpm propeller speed (Np).
(3) Push Overspeed Governor Test switch (in overhead switch panel) and observe drop in
propeller rpm. The drop should be approximately 20 to 50 rpm.
(4) Release switch and prop rpm (Np) must increase to original rpm (i.e. - 1900).
I. Auto Ignition
(1) Set ignition switch to AUTO.
(2) Check ignition off with increasing torque at 450 ft-lbs or greater.
(3) Check ignition on with decreasing torque at 240 ft-lbs minimum.
J. Manual Override Check
(1) Disconnect fuel supply line at F.C.U. to engine flow divider. Attach a short piece of hose to
permit fuel to drain into a container.
(2) Disconnect control cable at the F.C.U. MOR lever.
(3) Condition lever to RUN, F.C.U. MOR lever is positively held against the shutoff stop and Fuel
boost pumps ON.
(4) Conduct a wet motoring run for 30 seconds and record amount of fuel in the container.
(5) Reconnect control cable at the F.C.U. MOR lever.
(6) Rig MOR lever by putting both the MOR quadrant lever and the F.C.U. MOR lever in the
maximum position.
(7) Return the MOR quadrant lever to the off and stowed position.
(8) Condition lever to RUN, fuel boost pumps ON.
76-10-00
PAGE 2
Apr 15/07
PIPER AIRCRAFT, INC.
PA-46-500TP, MALIBU MERIDIAN
MAINTENANCE MANUAL
HIGH PROPELLER STRESSES AND RESULT IN FATIGUE DAMAGE TO THE
PROPELLER. THIS DAMAGE CAN LEAD TO A REDUCED PROPELLER
FATIGUE LIFE, PROPELLER FAILURE, AND LOSS OF CONTROL OF THE
AIRCRAFT. CONTACT THE PROPELLER MANUFACTURER FOR
CORRECTIVE ACTIONS IF A PROPELLER RESTRICTION OR LIMITATION IS
VIOLATED.
(PIR-PPS60187, Rev. D.)
7H12