Ground Operation Of Engine; Before Starting Engine; Starting Engine - Thrush Aircraft S2RHG-T65 TURBO THRUSH Maintenance Manual

THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH
Visually check the aircraft for general condition. Verify that all Camlocs on the skin
panels are fastened. Remove all accumulations of frost, ice, or snow in cold weather
from the wing, the tail, and the control surfaces. Check that the control surfaces contain
no internal accumulations of ice. Remove the inlet and exhaust covers, if fitted. If night
flight is planned, check the operation of all lights and have a flashlight available.
After a complete visual inspection has been accomplished, the following checklist may be
used for the external prestart check. The aircraft should be headed into the wind and
should have the wheel chocks in place.
A. A fire extinguisher must be readily available in the event of an engine fire.
B. Check the engine oil level. Assure that the oil system has been serviced with the
correct grade of oil.
C. Verify that the internal control lock has been removed and that the controls
operate freely.
D. Set the parking brake.
E. Check the fuel quantity in both tanks.
F. Set the trim tabs for takeoff.
G. Clear the area of all personnel.
Use the following procedure to start the PT6A engine.
A. Battery and Generator Switches - On
B. Power Lever - Idle
C. Propeller Lever – Feather
D. Fuel Condition Lever - Cut Off
E. Fuel Shutoff Valve – On
F. Fuel Auxiliary Pump Switch - On
G. Fuel Inlet Pressure Indicator - Check 5 PSIG Minimum
H. Engine Starter Switch – On. The minimum speed to obtain a satisfactory light is
13% Ng.
I. After approximately 5 seconds of motoring at the stabilized gas generator speed,
turn the Ignition Switch On and move the Condition Lever to the Ground (low)
idle position.
J. Observe that the engine accelerates normally to idle RPM and the maximum
allowable inter-turbine temperature-starting limit is not exceeded.
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AIRCRAFT MAINTENANCE MANUAL

GROUND OPERATION OF ENGINE

BEFORE STARTING ENGINE

STARTING ENGINE

** CAUTION **
Effective 05/05/04