Leerjet 35/36 Developed for Training Purposes 3-37
February 1998
Limitations
Powerplant – Garrett TFE731-2/B
Turbofan
Electronic Fuel Computer Specific Gravity
Clockwise trim (corresponding to a decrease in specific gravity
setting) on the fuel computer without a change in fuel specific
gravity results in higher turbine temperatures in start, accelera
tion, and deceleration.
The engine electronic fuel computer must be adjusted to the
recommended specific gravity position listed in the engine log
book for the type of fuel used. If no entry made, the following
settings are to be observed.
Jet A/Jet A-1/JP-5 . . . . . . . . . . . . . . . . . . . . . . . . . POSITION 5
Jet B/JP-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . POSITION 6
50% or more Aviation Gasoline . . . . . . . . . . . . . . . POSITION 7
Fuel adjustment knob may be rotated one “click” either direc-
tion from the recommended fuel adjustment of positions 5, 6,
and 7 to compensate for individual engine characteristics or
installation effects.
WARNING: Engine surge may occur if recommended spe-
cific gravity adjustment is not adhered to for the type of fuel
being used. If surge is encountered, refer to the engine
maintenance manual.
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