TROUBLESHOOTING CHART PROBLEM CAUSE CORRECTION Loss of power (Continued) Build-up of grass, leaves and trash under mower. Dirty air filter. Low oil level/dirty oil Faulty spark plug. Clean underside of mower housing. Clean/replace air filter. Check oil level/change oil. Clean and regap or change spark plug. Replace fuel filter. Drain fuel tank and refill with Dirty fuel filter. Stale or dirtyfuel. Water in fuel. fresh gasoline. Drain fuel tank and carbure- tor, refill tank with fresh gasoline and replace fuel filter. ,; Spark plug wire loose. Connect and tighten spark plug wire. Clean engine air screen/ fins. Clean/replace muffler. Check all widng.
See =To Adjust Carburetor" in Service Adjustments section. Contact an authodzed Dirty engine air screen/fins. Dirty/clogged muffler. Loose or damaged widng. Carburetor out of adjustment. Engine valves out of adjustment. service center/department. Excessive vibration •Wom, bent or loose blade. Replace blade. Tighten blade bolt. Replace blade mandrel. Tighten loose part(s). Replace damaged parts. Bent blade mandrel. Loose/damaged part(s). Engine continues to run when operator leaves seat with attachment clutch engaged Faulty operator-safety presence control system, Check wiring, switches and connections. If not corrected contact an authorized service center/department.
Poorcut-uneven Wom, bent or loose blade. Replace blade. Tighten blade bolt. Level mower deck. Clean underside of mower housing. Replace blade mandrel. Clean around mandrels to open vent holes. Mower deck not level. Buildup of grass, leaves, and trash under mower. Bent blade mandrel. Clogged mower deck vent from build-up of grass, leaves, and trash around mandrels. Mowerblsdeswill not rotate Obstruction in clutch mechanism. Worn/damaged mower drive belt. Frozen idler pulley. Frozen blade mandrel. Remove obstruction. Replace mower ddve belt. Replace idler pulley. Replace blade mandrel. 31