TM55-.2840.-251-23
Section X ENGINE TESTING (Continued)
1-94
GROUND TEST OF ENGINE
INSTALLED IN AIRCRAFT
(Cont)
10.
Final Adjustments.
To make final adjustments, proceed as follows:
NOTE
All adjustments must be made with engine
stopped.
a.
Perform pre-start check (subparagraph 2).
b.
Accomplish satisfactory engine start
(subparagraph 3).
c.
Allow engine to warm up to operating
temperature and stabilize to ground idle rpm.
CAUTION
Turn screw in minute increments as
adjustment is extremely sensitive.
d.
Advance fuel cut-off lever slowly to HI-IDLE
position and check that speed is within required range. If
speed is incorrect, adjust HI-IDLE adjustment screw (14) as
required.
NOTE
Turn the HI-IDLE stop clockwise to increase
speed and counterclockwise to decrease speed.
CAUTION
Power lever should not be moved to
REVERSE position when engine is static.
e.
Perform Check No. 5, reverse thrust
performance check (subparagraph 6.)
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