TROUBLESHOOTING CHART PROBLEM CAUSE CORRECTION Loss of power Cutting too much grass/too fast. Throttle in "CHOKE" Set in "Higher Cut" position/ reduce speed. Adjust throttle control. position. Build-up of grass, leaves and trash under mower. Dirty air filter. Low oil level/dirty oil. Faulty spark plug. spark plug. Dirty fuel filter. Stale or dirty fuel. fresh gasoline. Water in fuel. Clean underside of mower housing. Clean/replace air filter. Check oil level/change oil. Clean and regap or change Replace fuel filter. Drain fuel tank and refill with refill tank with fresh gaso Drain fuel tank and carburetor me and replace uel filter. Spark plug wire loose. plug wire.
Dirty engine air screen/ fins. Connect and tighten spark Clean engine air screen/fins. Dirty/clogged muffler. Loose or damaged wiring. Carburetor out of adjustment. section. Engine valves out of adjustment. Clean/replace muffler. Check all wiring. See "To Adjust Carburetor" in Service Adjustments Contact an authorized service center/department. Excessive vibration Worn, bent or loose blade. Bent blade mandrel. Loose/damaged part(s). Replace damaged parts. Replace blade. Tighten blade bolt. Replace blade mandrel. Tighten loose part(s). Engine continues to run when operator leaves seat with attachment clutch engaged Faulty operator-safety presence control system.
service center/departmer Check wiring, switches and connections. If not corrected, contact an authorized l. Poor cut - uneven Worn, bent or loose blade. Mower deck not level. Buildup of grass, leaves, and trash under mower. Bent blade mandrel. Clogged mower deck vent holes from buildup of grass, leaves, and trash around mandrels. Replace blade. Tighten blade bolt. Level mower deck. Clean underside of mower housing. Replace blade mandrel. Clean around mandrels to open vent holes. Mower blades will not rotate Obstruction in clutch mechanism. Remove obstruction. Worn/damaged mower drive belt. Replace mower drive belt. 29