Propeller Overspeed Governor Removal; Propeller Overspeed Governor Installation; Engine Controls; Rigging Instructions - Thrush Aircraft S2R–T660 Maintenance Manual

PROPELLER OVERSPEED GOVERNOR REMOVAL

A. Remove the forward engines cowling.
B. Remove the safety-wire and disconnect the electrical plug from the governor solenoid
valve.
C. Remove the four self-locking nuts and plain washers securing the governor and remove the
governor from the left side of the reduction gear housing.

PROPELLER OVERSPEED GOVERNOR INSTALLATION

A. Install a new gasket on the mounting pad.
B. Apply clean engine oil to the governor splined drive.
C. Position the governor on the mounting pad and install the four plain washers and self-
locking nuts. Apply a torque of 125 to 135 inch-pounds to the mounting nuts. (Make sure
you have the two ground wires under one of the nuts.)
D. Connect the electrical plug to the governor solenoid valve.
E. Reinstall the forward cowling.
F. Perform overspeed governor check (prop test).

RIGGING INSTRUCTIONS

The following instructions will produce nominal settings of the engine's operating parameters. If an
engine is installed, fuel control, propeller or propeller governor replaced or any time the adjustment of
these units is disturbed, the engine controls rigging should be checked.

AIRFRAME CONTROL LINKAGES

Proper engine/airframe control system rigging is a prerequisite in order to achieve satisfactory
engine operation. The airframe control system will provide the required throws, travel limits, etc.
necessary for the engine controls operation.

PROPELLER REVERSING INTERCONNECT LINKAGE

Details for assembly and disassembly of engine push-pull cable are contained in the Engine
Maintenance Manual.
Effective: 01/10/05
THRUSH AIRCRAFT INC - T660 TURBO THRUSH
AIRCRAFT MAINTENANCE MANUAL

ENGINE CONTROLS

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