Propeller Governor - Piper Malibu Meridian PA-46-500TP Airplane Maintenance Manual

1.

Propeller Governor

A. Removal
The propeller governor is mounted on the upper portion of the propeller gearbox. Remove the
governor as follows:
(1) Remove the upper forward cowling to gain access to the governor.
(2) Disconnect electrical leads.
(3) Disconnect propeller speed control rod at the governor control lever.
(4) Disconnect topping governor (N f ) link from governor reset arm.
(5) Disconnect propeller beta linkage (i.e. - reversing lever) from beta control valve clevis and pull
forward to clear clevis.
(6) Disconnect pneumatic (P y ) line from left rear of governor.
(7) Remove the governor mounting nuts and washers and withdraw the governor from the
mounting pad. Cover the mounting pad to prevent foreign material from entering the engine.
B. Installation
(1) Clean the mounting pad and the governor drive shaft thoroughly.
(2) Install the mounting pad gasket with raised side up.
(3) Install governor over mounting studs. Rotate propeller shaft slightly to engage governor drive
splines.
(4) Making sure governor and gasket are mounted flush, secure with nuts and washers. Torque as
shown in Figure 1.
(5) Connect beta control valve clevis to propeller beta linkage (i.e. - reversing lever).
(6) Connect topping governor (N f ) link to governor reset arm.
(7) Connect propeller speed control rod to the governor control lever.
(8) Connect pneumatic (P y ) line to left rear of governor. Torque coupling nut 90 to 100 in. lbs. and
safety.
(9) Connect electrical leads.
(10) Check system rigging per Rigging and Adjustment, below.
(11) Install cowling and check engine operation.
7C15
PIPER AIRCRAFT, INC.
PA-46-500TP, MALIBU MERIDIAN
MAINTENANCE MANUAL
CONTROLLING
61-20-00
Apr 15/07
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