PROBLEM

Engine fails to start

Loss of power; operation erratic.

Engine overheats

Too much vibration

POSSIBLE CAUSE(S)

1.Spark plug wire disconnected.

2.Safe_ switch not contacted.

3.Fuel tank empty, or stale fuel.

4.Fuel shut-off valve closed (if so equipped).

5.Faulty spark plug.

1.Spark plug wire loose

2.Unit running on CHOKE.

3.Blocked fuel line or stale fuel.

4.Water or dirt in fuel system.

5.Carburetor out of adjustment.

6.Dirty air cleaner.

1.Carburetor not adjusted properly.

2.Engine oil level low.

Loose parts or damaged impeller.

CORRECTIVE ACTION

1.Connect wire to spark plug.

2.Correctly install hose adapter nozzle.

3.Fill tank with clean, fresh fuel.

4.Open fuel shut-off valve.

5.Clean, adjust gap or replace.

1.Connect and tighten spark plug wire.

2.Move choke lever to OFF position.

3.Clean fuel line; fill tank with clean fresh gasoline.

4.Disconnect fuel line at carburetor to drain fuel tank. Refill with fresh fuel

5.Adjust carburetor.*

6.Service air cleaner.*

1.Adjust carburetor.*

2.Fill crankcase with proper oil.

Stop engine immediately and disconnect spark plug wire. Tighten all bolts and nuts.

Make all necessary repairs. Lfvibration

continues, have unit servicedby an authorized service dealer.

Unit does not

1.

Discharge chute (elbow)

discharge

 

clogged.

 

 

 

2.

Foreign

object

lodged in

 

 

impeller.

 

 

 

3.

Mow-N-Vac cart is full.

Rate of discharge

 

Chipper

blades

dull.

when chipping

 

 

 

 

slows considerably,

 

 

 

 

or compositionof

 

 

 

 

1.Stop engine immediately and disconnect spark plug wire. Clean inside of housing and discharge chute (elbow).

2.Stop engine immediately and disconnect spark plug wire. Remove lodgedobject.

3.Empty cart.

Sharpen or replace chipper blades.

discharged matedal

changes.

*Refer to the engine manual packed with your unit.

NOTE: For repairs beyond the minor adjustments listed above, please contact your nearest authorized service dealer.

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Craftsman 486.24515 owner manual Slows considerably Or compositionof, Changes