Poulan PO1538C User Manual - Page 26

Problem, Cause, Correction

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TROUBLESHOOTING POINTS PROBLEM CAUSE Engine continues to run when operator leaves seat with attachment clutch engaged 1. Faulty operator-safety presence control system. CORRECTION 1. Check wiring, switches and connections. If not corrected, contact an authorized service center/ department. Poor cut - 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 holes from buildup of grass, leaves, and trash around mandrels. 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. Mower blades will not rotate 1. Obstruction in clutch mechanism. 2. Worn/damaged mower drive belt. 3. Frozen idler pulley. 4. Frozen blade mandrel. 1. Remove obstruction. 2. Replace mower drive belt. 3. Replace idler pulley. 4. Replace blade mandrel. Poor grass discharge 1. Engine speed too slow. 2. Travel speed too fast. 3. Wet grass. 4. Mower deck not level. 5. Low/uneven tire air pressure. 6. Worn, bent or loose blade. 7. Buildup of grass, leaves and trash under mower. 8. Mower drive belt worn. 9. Blades improperly installed. 10. Improper blades used. 11. Clogged mower deck vent holes from buildup of grass, leaves, and trash around mandrels. 1. Place throttle control in "FAST" position. 2. Shift to slower speed. 3. Allow grass to dry before mowing. 4. Level mower deck. 5. Check tires for proper air pressure. 6. Replace/sharpen blade. Tighten blade bolt. 7. Clean underside of mower housing. 8. Replace mower drive belt. 9. Reinstall blades sharp edge down. 10. Replace with blades listed in this manual. 11. Clean around mandrels to open vent holes. Headlight(s) not working (if so equipped) 1. Switch is "OFF". 2. Bulb(s) or lamp(s) burned out. 3. Faulty light switch. 4. Loose or damaged wiring. 5. Blown fuse. 1. Turn switch "ON". 2. Replace bulb(s) or lamp(s). 3. Check/replace light switch. 4. Check wiring and connections. 5. Replace fuse. Battery will not charge 1. Bad battery cell(s). 2. Poor cable connections. 3. Faulty regulator (if so equipped). 4. Faulty alternator. 1. Replace battery. 2. Check/clean all connections. 3. Replace regulator. 4. Replace alternator. Engine "backfires" when turning engine "OFF" 1. Engine throttle control not set at "SLOW" position for 30 seconds before stopping engine. 1. Move throttle control to "SLOW" position and allow to idle for 30 seconds before stopping engine. 26

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26
TROUBLESHOOTING POINTS
PROBLEM
CAUSE
CORRECTION
Engine continues to run
1.
Faulty operator-safety presence control system.
1.
Check wiring, switches
and connections.
If not
when operator leaves
corrected, contact an authorized service center/
seat with attachment
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 trash under mower.
3.
Clean underside of mower housing.
4.
Bent blade mandrel.
4.
Replace blade mandrel.
5.
Clogged mower deck vent holes from buildup of
5.
Clean around mandrels to open vent holes.
grass, leaves, and trash around mandrels.
Mower blades will not
1.
Obstruction in clutch mechanism.
1.
Remove obstruction.
rotate
2.
Worn/damaged mower drive belt.
2.
Replace mower drive belt.
3.
Frozen idler pulley.
3.
Replace idler pulley.
4.
Frozen blade mandrel.
4.
Replace blade mandrel.
Poor grass discharge
1.
Engine speed too slow.
1.
Place throttle control in “FAST” position.
2.
Travel speed too fast.
2.
Shift to slower speed.
3.
Wet grass.
3.
Allow grass to dry before mowing.
4.
Mower deck not level.
4.
Level mower deck.
5.
Low/uneven tire air pressure.
5.
Check tires for proper air pressure.
6.
Worn, bent or loose blade.
6.
Replace/sharpen blade.
Tighten blade bolt.
7.
Buildup of grass, leaves and trash under mower.
7.
Clean underside of mower housing.
8.
Mower drive belt worn.
8.
Replace mower drive belt.
9.
Blades improperly installed.
9.
Reinstall blades sharp edge down.
10.
Improper blades used.
10.
Replace with blades listed in this manual.
11.
Clogged mower deck vent holes from buildup of
11.
Clean around mandrels to open vent holes.
grass, leaves, and trash around mandrels.
Headlight(s) not working
1.
Switch is “OFF”.
1.
Turn switch “ON”.
(if so equipped)
2.
Bulb(s) or lamp(s) burned out.
2.
Replace bulb(s) or lamp(s).
3.
Faulty light switch.
3.
Check/replace light switch.
4.
Loose or damaged wiring.
4.
Check wiring and connections.
5.
Blown fuse.
5.
Replace fuse.
Battery will not charge
1.
Bad battery cell(s).
1.
Replace battery.
2.
Poor cable connections.
2.
Check/clean all connections.
3.
Faulty regulator (if so equipped).
3.
Replace regulator.
4.
Faulty alternator.
4.
Replace alternator.
Engine “backfires”
1.
Engine throttle control not set at “SLOW”
1.
Move throttle control to “SLOW” position and allow
when turning engine
position for 30 seconds before stopping engine.
to idle for 30 seconds before stopping engine.
“OFF”