TROUBLESHOOTING CHART

PROBLEM

CAUSE

CORRECTION

 

 

 

 

 

Loss of power

3.

Build-up of grass, leaves and

3.

Clean underside of mower

(continued)

 

trash under mower.

 

housing.

 

4.

Dirty air filter.

4.

Clean/replace air filter.

 

5.

Low oil level/dirty oil.

5.

Check oil level/change oil.

 

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 carbure-

 

 

 

 

tor, refill tank with fresh gas-

 

 

 

 

oline 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 a qualified service

 

 

adjustment.

 

center/department.

 

 

 

 

 

Excessive

1.

Worn, bent or loose blade.

1.

Replace blade. Tighten blade

vibration

 

 

 

bolt.

 

2.

Bent blade mandrel.

2.

Contact a qualified 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 contact a

ator leaves seat

 

 

 

qualified service center/de-

with attachment

 

 

 

partment.

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 a qualified service

 

 

 

 

center/department.

 

5.

Clogged mower deck vent

5.

Clean around mandrels to

 

 

holes from buildup of grass,

 

open vent holes.

 

 

leaves, 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 a qualified service

 

 

 

 

center/department.

27

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Image 27
Poulan 191616 manual Excessive