TM 55-2840-231-23
6-5. Gas Producer Fuel Control - Rigging Check - Continued
AIRFRAME/-Continued
2. AIRFRAME.
a. Start with the twist
grip at the full open
position then rotate grip
slowly to the IDLE
position, Pointer must be
at the 30 degree mark.
b. Start with the twist
grip at the full closed
position then rotate grip
slowly to the IDLE
position. The pointer
must be no more than
5/64 in. below the 30
degree mark. If the
pointer is more than 5/64
in. below the 30 degree
mark, rerig the aircraft
linkage to move the
pointer closer to the 30
degree mark.
NOTE
Make rigging adjustments using the
pilot’s twist grip. If the copilot’s
collective is installed, recheck the
linkage movement using the copilot’s
twist grip. The pointer in IDLE
position, using the copilot’s twist grip,
must be within 5/64 inch of the 30
degree position when rotated from
the full open or full closed position
and idle speed must be no lower than
idle speed obtained using the pilot’s
twist grip. An engine performance
check is required when rigging
adjustment has been performed.
6-6
Change 11
