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TM-1-1510-225-MTF Army Model C-12 Aircraft Manual | Next
Engine anti-ice |
TM
1-1510-225-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
(d) PROP GOVERNOR teat switch -
Release. Verify that propeller
RPM increases.
(e) Left engine POWER lever -
IDLE.
(f) Repeat steps b through e for right
engine.
*12. Primary governors - Check as follows:
F1-3
(a) POWER levers - Set 1800 RPM.
(b) PROP levers - Move aft to
detent.
(c) Propeller RPM - Check 1600 to
1640 RPM.
(d) PROP levers - HIGH RPM.
*13. 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 1.
(c) PROP lever - HIGH RPM (full
forward).
(d) POWER lever - Set 1800 RPM.
(e) Torquemeter - Read and record
torque.
(f) POWER lever - IDLE.
(g) Torque reading taken in step (e)
must equal the corrected torque
in step (b), within +2%.
(h) Repeat steps (c) through (g) for
other engine. Observe that the
difference in torque readings
E3
2-33
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