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

Page: 1368 / 1956

PAGE 8
Feb 28/07
7D18
71-00-00
PIPER AIRCRAFT, INC.
PA-46-350P, MALIBU MIRAGE
MAINTENANCE MANUAL
(11) Disconnect the fuel pump supply line.
(12) Disconnect both engine oil lines.
(13) Disconnect the magneto P leads at the magnetos.
(14) Disconnect the engine vent tubes at the engine.
(15) Disconnect the engine oil temperature lead at the aft end of the engine.
(16) Disconnect the tachometer leads at the engine magneto sensors.
(17) Untie the ignition harness, hoses and lines at the aft end of the engine.
(18) Disconnect the vacuum pump lines at the pumps and remove the fittings from the pumps.
(19) Disconnect oil pressure line at the engine.
(20) Disconnect the manifold pressure line from the engine on the right side intake manifold.
(21) Disconnect the alternator leads and the cable attachment clamps.
(22) Attach a one-half ton (minimum) hoist to the hoisting straps and relieve the tension from the
engine mounts.
(23) Check the engine for any attachments remaining to obstruct its removal.
(24) Drain the engine oil, if desired, and then close drain.
(25) Remove the four engine mount assemblies and swing the engine free, being careful not to
damage any attaching parts.
(26) Place the engine on a suitable stand.
B. Installation
NOTE: Prior to installing the engine, install all items that were removed from the engine after the
engine was removed from the aircraft. Remove any protective caps and identification tags
as each item is installed.
(1) Attach a one-half ton (minimum) hoist to the engine and swing the engine into alignment with
its attaching points.
NOTE: Refer to Figure 1 for the arrangement of the shock mount assemblies. The top shock
mounts are assembled so the silver shocks are aft and the gold shocks are forward.
The bottom shock mounts are installed opposite of the top shock mounts.
(2) Insert an engine mount bolt with washer against head into bottom motor mounts. Then insert
heat shields, aft shock mount, and then spacer onto bolt.
(3) Lower engine against aft shock mount and add forward shock mount over bolt and spacer onto
engine mount bracket.
(4) Place large wide washer then small washer over bolt, add nut and start only a few threads.
(5) Insert an engine mount bolt with washer against head into top motor mounts. Then insert aft
shock mount and then spacer onto bolt.
(6) Raise engine against aft shock mount and add forward shock mount over bolt and spacer onto
engine mount bracket.
(7) Place large wide washer then two small washers over bolt, add nut and start only a few
threads.
(8) Tighten engine shock mounts (4) to torque specified in Figure 1.
(9) Tighten engine mount assembly bolts (5) to 240-270 inch pounds (torque bolt head).
(10) Connect alternator leads and secure the leads with the cable clamps.
(11) Connect the manifold pressure line to the right bottom side of the engine.