Part No. 34032 Genie S-80 & Genie S-85 7 - 25Service Manual - First Edition Section 7 - Repair Procedures6 Manually pull the actuator arm through a fullcycle to be sure that the linkage moves freely.Be sure that the linkage activates the throttleshaft to approximately half throttle.The linkage must be free offriction and obstruction. Do notlet it rub against the engine,brackets or hoses.Component damage hazard.If the throttle linkage is improperlyadjusted and allowed to reach fullthrottle, the engine will over-revand cause component damage.FORD LSG-423 ENGINE7-2Choke AdjustmentsThis engine is equipped with an electrically heatedautomatic choke. The choke has a poppet valve toenhance cold starting ability on LPG fuel.Choke adjustments are affectedby climate. Richer adjustmentwill be necessary in colderclimates, leaner adjustmentin warmer climates.Automatic Choke withPoppet ValveThe choke functions in both gasoline and LPGmode. The choke butterfly may be adjusted to afully closed (rich) position for colder climates andthe poppet valve will provide a flow path duringLPG fueled operation.rich lean