Engine Wet Motoring Run - Piper Malibu Meridian PA-46-500TP Airplane Maintenance Manual

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(11) Connect the battery.
(12) Reinstall the cowling per 71-10-00.
(13) Perform the post installation procedures described in Pratt & Whitney Canada Maintenance
Manual, P/N 3021442, 71-00-00, Table 501.
(14) Check for fuel and oil leaks and security of the engine components.
D.
Depreservation (See also Pratt & Whitney Canada Maintenance Manual, P/N 3021442, 72-00-00,
Engine, Turboprop - Servicing - Depreservation.)
After completion of a new engine installation and before the first engine start, the following
procedure should be followed to clear the engine:
(1) Fill the engine oil tank with the recommended oil. (See Filling Oil Sump, 12-10-00.)
NOTE: When filling the oil tank, it is recommended that the oil be strained before entering the
engine to eliminate the possibility of foreign material in the engine.
(2) Motor the engine to circulate the oil.
(3) Recheck the oil level and refill as necessary. Normal oil level is one U.S. quart below the
maximum level mark.
(4) Disconnect fuel line at flow divider inlet to permit drainage into a suitable container.
(5) With ignition switch OFF, set power control to MAX and condition lever to RUN.
(6) Select MANUAL on the start mode switch.
CAUTION: DO NOT EXCEED STARTER TIME LIMITS (30 SECONDS ON, 1 MINUTE OFF,
(7) With the starter switch, motor engine until clean fuel flows from line. Move power control lever
to IDLE and back to MAX and condition lever to CUT-OFF and back to RUN during the
motoring run.
NOTE: Check for proper operation of oil pressure, fuel flow, fuel pressure, and check that the
Ng percent indicator moves in the proper direction during initial motoring run.
(8) Reconnect fuel inlet line to flow divider.
(9) Return power control lever to IDLE and condition lever to CUT-OFF.
4.

Engine Wet Motoring Run

A wet motoring run is used to check for fuel system leaks after component replacement.
CAUTION: AFTER A WET MOTORING RUN, A DRY MOTORING RUN (SEE PILOT'S OPERATING
HANDBOOK, PARA. 4.15) MUST BE PERFORMED BEFORE STARTING ENGINE.
(1) Set the condition lever at CUT-OFF.
(2) Set the power control lever at IDLE.
(3) Set ignition switch OFF.
(4) Master switch ON (to supply electrical power to starter).
(5) Fuel shutoff pushed in (i.e. - valve open).
(6) Fuel pump switch ON (to provide lubrication for engine driven fuel pumping elements).
(7) Select MANUAL on the start mode switch.
71-00-00
PAGE 10
Apr 15/07
PIPER AIRCRAFT, INC.
PA-46-500TP, MALIBU MERIDIAN
MAINTENANCE MANUAL
30 SECONDS ON, 1 MINUTE OFF, 30 SECONDS ON, 30 MINUTES OFF).
7D24

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