TM 55-1520-240-23-3
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ADJUST MINIMUM ROTOR RPM
(Continued)
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7.
Have pilot operate No. 2 engine in FLIGHT.
8.
If rotor rpm is 91 to 94 percent, go to step 10. If
not, go to step 9.
9.
Loosen nut (3) on variable resistor shaft (4).
Adjust resistor shaft slowly until rotor rpm is 92.5
percent. Tighten nut. Make sure rotor rpm is
92.5 percent.
10.
Have pilot shut down No. 2 engine.
FOLLOW-ON MAINTENANCE:
Electrical power off.
Close right and left electrical compartment (Task 2-2).
END OF TASK
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