Part No. 32960 Genie Z-45/22 4 - 33Service Manual - Second Edition Section 4 - Scheduled Maintenance ProceduresTABLE C PROCEDURESa b c d7 Install the rotor and cap, then re-attach the coiland spark plug wires.8 Swing engine pivot plate back to its originalposition and replace the three retaining pins.C-12Replace the Spark Plugs -Gasoline/LPG ModelsPeriodic replacement of the spark plugs is essentialto good engine performance and service life. Worn,loose or corroded spark plugs will cause the engineto perform poorly and may result in componentdamage.Perform this procedure with theengine turned off.1 Label, then disconnect the plug wires from thespark plugs by grasping the molded boot. Donot pull on the plug wire.2 Blow out any debris around spark plugs.3 Remove all the spark plugs from the engine.4 Adjust the gap on each new spark plug.5 Install the new plugs, the reconnect the plugwires. Be sure that each spark plug wire isattached to the correct spark plug.SpecificationsSpark Plugs (Motorcraft) AWSF-42Gap 0.032 - 0.036 inches0.81 - 0.91mmTorque specs 5 - 10 foot-pounds6.8 - 13.6 NmC-13Check and Adjust theAir/Propane MixtureMaintaining the proper air-to-fuel mixture duringpropane operation is essential to good engineperformance.Engine fuels are combustible.Perform this procedure in an open,well-ventilated area away fromheaters, sparks, flames and lightedtobacco. Always have an approvedfire extinguisher within easyreach..The engine rpm needs to be presetfor gasoline fuel operation beforeadjusting the propane idle mixture.The engine should be warmed tonormal operating temperaturebefore performing this procedure.1 Move the fuel select switch to propane fuel andstart the engine from the ground controls.2 Loosen the high idle mixture adjustment locknut.a low idle mixture adjustment screwb high idle mixture adjustment screwc propane regulatord pressure adjustment800-610-4101ActionRental.com
