TM 5-3820-246-14&P
4-17. CARBURETOR ADJUSTMENT
(5) Run engine at operating speed. Turn needle
H (2) CW until engine slows. Open needle H
(2) l/4 to 1/2 turn for proper operating
speed.
(6) Allow engine to return to IDLE speed then
turn idle adjustment screw (3) until proper
idle speed is maintained (2000+ 100 RPM).
Measure idle speed with hand held
NOTE
Follow-on maintenance: Install air cleaner (para 4-18).
END OF TASK
4-34
