Craftsman 917.271554 Troubleshooting Chart, Engine valves out of adjustment, vibration

Models: 917.271554

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TROUBLESHOOTING CHART:

TROUBLESHOOTING CHART:

See appropriate section in manual unless directed to Sears service center

PROBLEM

CAUSE

 

 

 

Loss _ power

.

Cutting

too much

grass/too

 

!2 Throttlefast.

in "CHOKE"

 

 

position.

 

 

 

.

Build-up of grass, leaves

 

 

and

trash under

mower.

 

.

Dirty

air

filter.

 

5.Low oil level/dirty oil.

6.Faulty spark plug.

7.Dirty fuel filter.

8.Stale or dirty fuel.

9.Water in fuel.

10.Spark plug wire loose.

11.Dirty engine air screen/fins.

12.Dirty/clogged muffler.

13.Loose or damaged wiring.

14.Carburetor out of adjustment.

15.Engine valves out of adjustment.

Excessive

1.

Worn,

bent

or loose blade.

vibration

 

 

 

 

 

 

 

2.

Bent

blade

mandrel.

 

 

3.

Loose/damaged

part(s).

Enginecontinues

1.

Faulty

operator-safety

to run

 

 

presence control

system.

when

operator

 

 

 

 

 

leaves

seat with

 

 

 

 

 

with attachment

 

 

 

 

 

clutch

engaged

 

 

 

 

 

CORRECTION

1.Set in "Higher Cut" position/ reduce speed.

2.Adjust throttle control.

3.Clean underside of mower housing.

4.Clean/replace air filter.

5.Check oil level/change oil.

6.Clean and regap or change spark plug.

7.Replace fuel filter.

8.Drain fuel tank and refill with fresh gasoline.

9.Drain fuel tank and carbure tor, refill tank with fresh

gasoline and replace fuel filter.

10.Connect and tighten spark plug wire.

11.Clean engine air screen/fins.

12. Clean/replace muffler. 13.Check all wiring.

14. See "To Adjust Carburetor"

in Service and Adjustments section.

15.Contact a Sears or other qualified service center.

1.Replace blade. Tighten blade bolt.

2.Contact a Sears or other qualified service center.

3.Tighten loose part(s). Replace damaged parts.

. Check wiring, switches and

connections. If not contact a Sears or other qualified service center.

Poorcut-uneven .Worn, bent or loose blade.

2.Mower deck not level.

3.Buildup of grass, leaves, and trash under mower.

4.Bent blade mandrel.

5.Clogged mower deck vent holes from buildup of grass, leaves, and trash around mandrels.

1.Replace blade. ]]ghten blade bolt.

2.Level mower deck.

3.Clean underside of mower housing.

4.Contact a Sears or other qualified service center.

5.Clean around mandrels to open vent holes.

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Craftsman 917.271554 owner manual Troubleshooting Chart, Engine valves out of adjustment, vibration