TM 55-1510-221-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
d.
Left propeller governor test switch
Release Propeller RPM should
increase.
e.
Left engine power lever IDLE.
f.
Repeat steps b through e for right
engine.
*16 Autoignition system Check as follows.
a.
Power levers Set above 22% torque.
b.
Autoignition switches (2) ARM.
c.
Power levers Retard.
d.
Ignition annunciator lights Illuminated
(16 to 21% torque)
*17. Primary governors Check as follows.
F1-3
a
Power levers Set 1800 RPM.
b
Propeller levers Move aft to detent.
c.
Propeller RPM Check 1600 to 1640.
d.
Propeller levers HIGH RPM.
*18. Propeller low pitch stop Check one engine at
a time as follows.
a
Aircraft Position crosswind.
b
Read the corrected propeller torque in
% at 1800 RPM from figure 2.
c.
Propeller lever HIGH RPM (full
forward.)
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