TROUBLESHOOTING CHART

PROBLEM

LOSS of power continued)

CAUSE

3.Build-up of gross, leaves and trash under mower.

4.Dirty air filter.

5.Low oil level/dirty oil.

6.Faulty spark plug.

7.Dirty fuel filter.

8.Stale or dirty fuel.

CORRECTION

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. Water in fuel.

10.Spark plug wire loose.

11.Dirty engine air screen/fins.

12.Dirty/clogged muffler.

13.Loose or damaged widng. 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

I 1.

Faulty operotor-safety

to run when

 

presence control system.

operator leaves seat with. attachment

clutch engaged

9. Drain fuel tank and

carburetor, refill

tank with

fresh

gasoline

and replace

fuel

filter.

 

10.Connect and tighten spark plug wire.

1 t.Clean engine air screen/ fins.

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

14. See "To Adjust Carburetor"

in Service Adjustments section.

15.Contact a Sears or other qualified service center.

1.Replace blade. Tighten blade bolt.

2.Replace blade mandrel.

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

1.Check wiring, switches and connections. If not corrected, contact a Sears or other qualified service center.

Poorcut-uneven

1.

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

 

 

from build-up of grass,

 

 

leaves,

and

trash around

 

 

mandrels.

 

 

 

Mower blades will

1.

Obstruction

 

in clutch

not rotate

 

mechanism.

 

 

 

2.

Worn/damaged

mower

 

 

drive belt.

 

 

 

 

3.

Frozen

idler pulley.

 

4.

Frozen

blade mandrel.

1.Replace blade. Tighten blade bolt.

2.Level mower deck.

3.Clean underside of mower housing.

4.Replace blade mandrel.

5, Clean around mandrels to open vent holes.

1.Remove obstruction.

2.Replace mower drive belt.

3.Replace idler pulley.

4.Replace blade mandrel.

31

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Image 31
Craftsman 917.271641 owner manual Problem