TROUBLESHOOTING CHART

PROBLEMCAUSE

Loss of power • Cutting too much grass/too fast.

Throttle in"CHOKE" position.

Build-up of grass, leaves and trash under mower.

Dirty air filter.

Low oil level/dirty oil.

Faulty spark plug.

Dirty fuel filter.

Stale or dirty fuel.

Water in fuel.

Spark plug wire loose.

Dirty engine air screen/fins.

Dirty/clogged muffler.

Loose or damaged wiring.

Carburetor out of adjustment.

Engine valves out of adjustment.

Excessive

Worn,

bent

or loose

blade.

vibration

 

 

 

 

 

 

 

 

Bent

blade

mandrel.

 

 

 

Loose/damaged

part(s).

Enginecontinues

Faulty

operator-safety

 

to run

 

 

presence control system.

when

operator

 

 

 

 

 

leaves

seat

 

 

 

 

 

with attachment

 

 

 

 

 

clutch

engaged

 

 

 

 

 

Poor cut

- uneven

Worn,

bent

or

loose

blade.

Mower deck not level.

I"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.

CORRECTION

Set in "Higher Cut" position reduce speed.

Adjust throttle control.

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 wit fresh gasoline.

Drain fuel tank and carbure tor, refill tank with fresh

gasoline and replace fuel filter.

Connect and tighten spark plug wire.

Clean engine air screen/fin

Clean/replace muffler.

Check all wiring.

See "To Adjust Carburetor" Service Adjustments sectior

Contact an authorized service center/department.

Replace blade. Tighten blade bolt.

Replace blade mandrel.

Tighten loose part(s). Replace damaged parts.

Check wiring, switches ant

connections. If net

corrected, contact an autho rized service center/

department.

Replace blade. Tighten blade bolt.

Level mower deck.

Clean underside of mower housing.

Replace blade mandrel.

Clean around mandrels to open vent holes.

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Sears 917.271051 owner manual Troubleshooting Chart Problemcause, Correction