TM 55-1510-215-MTF
TROUBLESHOOTING GUIDE E - POWER PLANT
CONDITION
PROBABLE CAUSE
E1. LOW IDLE speed is either high or low.
a.
LOW IDLE speed improperly adjusted.
E2. HIGH IDLE speed improperly adjusted.
a.
HIGH IDLE speed is either high or low.
E3. Uneven torque in reverse mode.
a.
Barrel adjustable stop improperly adjusted.
E4. Low or high torque is observed during torque check.
a.
Barrel adjustable stop is improperly adjusted.
E5. Reverse torque, N1, and propeller RPM is too high or low.
a.
Reverse adjusting screw is improperly adjusted.
E6. Newly rigged engine accelerates faster or slower
than opposite engine.
a.
Engine is mismatched.
E7. Power levers are not aligned.
a.
Fuel control rod improperly adjusted.
E8. Propeller levers not aligned.
a.
Propeller control cable improperly adjusted.
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