Figure 351. Throttle cable 3. Speed-control lever2. High-speed screw 4. Jam nuts3. If necessary, adjust the position of the jam nuts onthe throttle-control cable until the speed-control levercontactsthehigh-speedscrewwhenthethrottle-controllever is in the FAST (detent) position (Figure 35).4. Ensure that the cable jam nuts are fully tightened afterthe adjustment.Fuel SystemMaintenanceNote: Refer to Recommended Fuel (page 16) for properfuel recommendations.DANGERUnder certain conditions, diesel fuel and fuelvapors are highly flammable and explosive. A fireor explosion from fuel can burn you and others andcan cause property damage.• Use a funnel and fill the fuel tank outdoors, inan open area, when the engine is off and is cold.Wipe up any fuel that spills.• Do not fill the fuel tank completely full. Add fuelto the fuel tank until the level is to the bottomof the filler neck.• Never smoke when handling fuel and stay awayfrom an open flame or where a spark my ignitefuel fumes.• Store fuel in a clean, safety-approved containerand keep the cap in place.Servicing the Water SeparatorService Interval: Every 400 hoursDrain the water or other contaminants from the waterseparator (Figure 36) daily.1. Place a clean container under the fuel filter.2. Loosen the drain plug on the bottom of the filtercanister (Figure 36).Figure 361. Drain plug3. Clean the area where the filter canister mounts.4. Remove the filter canister and clean the mountingsurface.5. Lubricate the gasket on the filter canister with clean oil.6. Install the filter canister by hand until the gasketcontacts mounting surface, then rotate it an additional1/2 turn.37