Piper SEMINOLE PA-44-180 Maintenance Manual Download

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Disconnect the oil cooler drain hose attached to the oil cooler shield.

Disconnect the throttle. mixture, and alternate air door control cables from their actuating arms.

The turbocharger is mounted to the engine such that the engine and turbocharger can be removed as a
unit or individually. For removal of the engine proceed as follows:
(1). If the turbocharger is to remain attached to the engine the compressor intake duct, turbine intake

pipe. and turbo exhaust pipe must be removed, refer to the back of this chapter for the removal of
the intake duct.

(2). The turbo can be removed by removing the compressor inlet duct, carburetor inlet duct, turbine

exhaust pipe. and engine manifold. It is recommended that the turbocharger be removed along
with its support plate. Make sure to disconnect any lubrication lines from the turbocharger, and
the engine.

Disconnect the propeller governor control cable and with any supporting fixtures removed, move the
cable clear of the engine.

8. The lines leading to the oil cooler circumvent the engine mount and must therefore be removed or one end

of each unattached from its fitting at either the cooler or the filter. Whichever method is followed, make
sure the open hoses and fittings are capped.

9. Remove the “P” leads at the magnetos. Install a cap or protective cover over each of the distributor blocks

openings.

10.Disconnect the oil temperature lead at the top. aft end of the engine and make sure it is clear of the engine at

removal.

11.Unscrew the tachometer cable out of the back of the engine and move clear for removal.
12.Disconnect the vacuum lines from the pump. and if tied to any item being removed with the engine release

the line.

13.Disconnect the oil breather tube from the back of the engine and make sure it is held clear of the engine.
14.Disconnect the alternator leads, their cable attachments and move them clear of the engine.
15.If desired. drain the oil from the engine.
16.Remove the lifting lugs from the left side of the nose gear well. just aft of the starter solenoids.
17.Attach a half ton (minimum) hoist to the lifting lugs using a strap arrangement.,
18.Check the engine for anything still attached that might be damaged at removal. Make sure all lines and

fixtures are clear of the engine and the engine mount if attached to the engine.

19.Up-load the hoist just enough to take the weight off the mounts and remove the four engine mount

assemblies.

20.If the hoist is the type that rolls. move the engine and hoist forward so the engine moves out of the engine

mount. If the hoist is stationary or attached to an “overhead ham” carefully swing the engine forward out of
the mount. If the turbocharger is still attached to the engine (180T), the engine may have to be jockeyed
around. Be careful not to damage any attaching assemblies.

Piper SEMINOLE PA-44-180, Maintenance Manual

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