Electrical Fires; Ground Operation Of Engine; Before Starting Engine - Thrush Aircraft S2R–T660 Maintenance Manual

A. Fuel Condition Lever - Cut Off
B. Ignition Switch - Off
C. Master Switch - On
D. Fuel Shutoff Valve - On
E. Fuel Auxiliary Pump Switch - On This will provide
lubrication for the engine-driven fuel pump.
F. Engine Starter Switch – On
G. Maintain the starter operation for the desired duration. The maximum starter duration is
3 minutes.
H. Engine Starter Switch - Off
I. Fuel Auxiliary Pump Switch - Off
J. Fuel Shutoff Valve - Off
K. Master Switch - Off
L. Allow a 5-minute cooling period for the starter before going any further with the starting
operation.
Circuit breakers will automatically trip and stop the current flow to a shorted circuit. However, as a
safety precaution in the event of an electrical fire, turn the battery switches to off. Use a fire
extinguisher approved for electrical fires to extinguish the flame.
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.
2 - 6
THRUSH AICRAFT INC - T660 TURBO THRUSH
AIRCRAFT MAINTENANCE MANUAL
*** WARNING ***
If the fire persists as indicated by the sustained
interturbine temperature, close the fuel system
shutoff valve at this point and continue motoring.

ELECTRICAL FIRES

GROUND OPERATION OF ENGINE

BEFORE STARTING ENGINE

Effective: 12/17/03