TROUBLESHOOTING CHART:

PROBLEM

CAUSE

CORRECTION

Loss of power

5.

Low oil level/dirty oil.

5.

Check oil level/change oil.

(continued)

6.

Faulty spark plug.

6.

Clean and regap or change

 

 

 

 

spark plug.

 

7.

Dirty fuel filter.

7.

Replace fuel filter.

 

8.

Stale or dirty fuel.

8.

Empty fuel tank and refill tank

 

 

 

 

with fresh, clean gasoline.

 

9.

Water in fuel.

9.

Empty fuel tank and car-

 

 

 

 

buretor, refill tank with fresh

 

 

 

 

gasoline and replace fuel filter.

 

10. Spark plug wire loose.

10. Connect and tighten spark

 

 

 

 

plug wire.

 

11. Dirty engine air screen/fins.

11. Clean engine air screen/fins

 

12. Dirty/clogged muffler.

12. Clean/replace muffler.

 

13. Loose or damaged wiring.

13. Check all wiring.

14.Carburetor out of adjustment. 14. See “To Adjust Carburetor” in Service and Adjustments section.

 

15. Engine valves out of

15. Contact our authorized

 

 

adjustment.

 

service center/department.

 

 

 

 

 

 

Excessive

1.

Worn, bent or loose blade.

1.

Replace blade. Tighten

vibration

 

 

 

blade bolt.

 

2.

Bent blade mandrel.

2.

Contact our authorized

 

 

 

 

service center/department.

 

3.

Loose/damaged part(s).

3.

Tighten loose part(s).

 

 

 

 

Replace damaged parts.

 

 

 

 

 

 

Engine continues

1.

Faulty operator-safety

1.

Check wiring, switches and

to run when oper-

 

presence control system.

 

connections. If not corrected,

ator leaves seat

 

 

 

contact our authorized

with attachment

 

 

 

service center/department.

clutch engaged

 

 

 

 

 

 

 

 

 

 

 

Poor cut - uneven

1.

Worn, bent or loose blade.

1.

Replace blade. Tighten

 

 

 

 

blade bolt.

 

2.

Mower deck not level.

2.

Level mower deck.

 

3.

Buildup of grass, leaves, and

3.

Clean underside of mower

 

 

trash under mower.

 

housing.

 

4.

Bent blade mandrel.

4.

Contact our authorized

 

 

 

 

service center/department.

 

5.

Clogged mower deck vent

5.

Clean around mandrels to

 

 

from build-up of grass, leaves,

 

open vent holes.

 

 

and trash around mandrels.

 

 

 

 

 

 

 

 

Mower blades will

1.

Obstruction in clutch

1.

Remove obstruction.

not rotate

 

mechanism.

 

 

 

 

2.

Worn/damaged mower drive

2.

Replace mower drive belt.

 

 

belt.

 

 

 

 

3.

Frozen idler pulley.

3.

Replace idler pulley.

 

4.

Frozen blade mandrel.

4.

Contact our authorized

 

 

 

 

service center/department.

31

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Poulan COGT22H48A manual Excessive