TROUBLESHOOTING CHART PROBLEM CAUSE CORRECTION Mower blades will not Frozen idler pulley. Replace idler pulley rotate (Cont'n) Frozen blade mandrel. Replace blade mandrel Poor grass discharge Engine speed too slow, Place throttle control in "FAST' position. Travel speed too fast. Wet grass. mowing. Mower deck not level. Low/uneven tire air pressure. Worn, bent or loose blade. Tighten blade bolt. Buildup of grass, leaves and trash under mower. Mower drive belt worn. Blades improperly installed. Improper blades used. in this manual. Clogged mower deck vent holes from buildup of grass, leaves, and trash around mandrels. Shift to slower speed. Allow grass to dry before Level mower deck.
Check tires for proper air pressure. Replace/sharpen blade. Clean underside of mower housing. Replace mower drive belt. Reinstall blades sharp edge down. Replace with blades listed Clean around mandrels to open vent holes. Headlight(s) not working (If so equipped) Switch is "OFF". Turn switch "ON". Replace bulb(s). Check!replace light switch. Check wiring and connections Bulb(s) burned out. Faulty light switch. Loose or damaged wiring. Blown fuse. Replace fuse. Battery will not charge Bad battery cell(s). Poor cable connections. Replace battery. Check/clean all connections. Replace regulator. Faulty regulator (if so equipped). Faulty alternator, Replace alternator.
Engine "backfires" when turning engine "OFF" Engine throttle control not set at "SLOW" Move throttle control to "SLOW" position and allow to idle for 30 seconds before position for 30 seconds before stopping engine. stopping engine. 30