TROUBLESHOOTING CHART

PROBLEMCAUSE

Poor cut - uneven Clogged mower deck vent

€ont'd)holes from buildup of

grass, leaves, and trash around mandrels.

CORRECTION

Clean around mandrels to open vent holes.

Mower blades will not rotate

I Poor grass dis- charge

Headlight(s) not working (if so equipped)

Battery will not charge

Engine "backfires" when turning en- gine "OFP

Obstruction in clutch mechanism.

Worn/damaged mower drive belt.

Frozen idler pulley.

Frozen blade mandrel.

Engine speed too slow.

Travel speed too fast.

Wet grass.

Mower deck not level.

Low/uneven tire air pres- sure.

Worn, bent or loose blade.

Buildup of grass, leaves and trash under mower.

Mower drive belt worn.

Blades improperly in- stalled.

Improper blades used.

Clogged mower deck vent holes from buildup of

grass, leaves, and trash around mandrels.

Switch is =OFP.

Bulb(s) burned out.

Faulty light switch.

Loose or damaged wiring.

Blown fuse.

Bad battery cell(s).

Poor cable connections.

Faulty regulator (if so equipped).

Faulty alternator.

Engine throttle control not set at =SLOW"

position for 30 seconds before stopping engine.

Remove obstruction.

Replace mower drive belt.

Replace idler pulley.

Replace blade mandrel.

Place throttle control in =FAST" position.

Shift to slower speed.

Allow grass to dry before mowing.

Level mower dect_

Check tires for proper air pressure.

Replace/sharpen blade. Tighten blade bolt.

Clean underside of mower housing.

Replace mower drive belt.

Reinstall blades sharp edge down,

Replace with blades listed in this manual.

Clean around mandrels to open vent holes.

Turn switch =ON".

Replace bulb(s).

Check/replace light switch.

Check wiring and connections,

Replace fuse.

Replace battery.

Check/clean all connections.

Replace regulator,

Replace _llternato,r.

Move throttle control to =SLOW" position and allow to idle for 30 seconds before stopping engine.

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Craftsman 917.270814 owner manual Troubleshooting Chart Problemcause, Correction