TROUBLESHOOTING CHART

PROBLEM

 

CAUSE

CORRECTION

Mower blades will

Obstruction in clutch

Remove obstruction.

not rotate

 

mechanism.

 

 

 

Worn/damaged mower

Replace mower drive belt.

 

 

drive belt.

 

 

 

Frozen idler pulley.

Replace idler pulley.

 

Frozen blade mandrel.

Replace blade mandrel.

 

 

 

 

 

Poor grass

Engine speed too slow.

Place throttle control in

discharge

 

 

 

“FAST” position.

 

Travel speed too fast.

Shift to slower speed.

 

Wet grass.

Allow grass to dry before

 

 

 

 

mowing.

 

Mower deck not level.

Level mower deck.

 

Low/uneven tire air

Check tires for proper air

 

 

pressure.

 

pressure.

 

Worn, bent or loose blade.

Replace/sharpen blade.

 

 

 

 

Tighten blade bolt.

 

Buildup of grass, leaves

Clean underside of mower

 

 

and trash under mower.

 

housing.

 

Mower drive belt worn.

Replace mower drive belt.

 

Blades improperly installed.

Reinstall blades sharp edge

 

 

 

 

down.

 

Improper blades used.

Replace with blades listed

 

 

 

 

in this manual.

 

Clogged mower deck vent

Clean around mandrels to

 

 

holes from buildup of grass,

 

open vent holes.

 

 

leaves, and trash around

 

 

 

 

mandrels.

 

 

Headlight(s) not

1.

Switch is “OFF”.

1.

Turn switch “ON”.

working

2.

Bulb(s) or lamp(s) burned out. 2.

Replace bulb(s) or lamp(s).

(if so equipped)

3.

Faulty light switch.

3.

Check/replace light switch.

 

4.

Loose or damaged wiring.

4.

Check wiring and connec

 

 

 

 

tions.

 

5.

Blown fuse.

5.

Replace fuse.

Battery will not

Bad battery cell(s).

charge

Poor cable connections.

 

Faulty regulator

 

 

(if so equipped).

 

Faulty alternator.

Engine “backfires”

Engine throttle control not

when turning

 

set at “SLOW” position

engine “OFF”

 

for 30 seconds before

 

 

stopping engine.

Replace battery.

Check/clean all connec- tions.

Replace regulator.

Replace alternator.

Move throttle control to “SLOW” position and allow to idle for 30 seconds before stopping engine.

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Poulan 271490 manual Mower blades will