Husqvarna 968999250 Operator's Manual page 49

PROBLEM
Engine continues to 1. Faulty operator-safety presence control system.
run when operator
leaves seat with
attachment
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 cutter housing.
5. Clogged mower deck vent holes from buildup of
1. Obstruction in clutch mechanism.
Mower blades will
2. Worn/damaged mower drive belt.
not rotate
3. Frozen idler pulley.
4. Frozen cutter housing.
1. Engine speed too slow.
Poor grass
2. Travel speed too fast.
discharge
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
1. Bad battery cell(s).
Battery will
2. Poor cable connections.
not charge
3. Faulty regulator (if so equipped).
4. Faulty alternator.
1. IZT bypass linkages in bypass position.
Loss of drive
2. IZT belt worn, damaged, or broken.
1. Engine throttle control not set at "SLOW"
Engine "backfires"
when turning
engine "OFF"
TROUBLESHOOTING POINTS
CAUSE
grass, leaves, and trash around cutter housing.
grass, leaves and trash around cutter housing.
position for 30 seconds before stopping
engine.
1. Check wiring, switches and connections. If not
corrected, contact an authorized service center/
department.
1. Replace blade. Tighten blade bolt.
2. Level mower deck.
3. Clean underside of mower housing.
4. Replace cutter housing.
5. Clean around cutter housing to open vent holes.
1. Remove obstruction.
2. Replace mower drive belt.
3. Replace idler pulley.
4. Replace cutter housing.
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 cutter housing to open bent holes.
1. Replace battery.
2. Check/clean all connections.
3. Replace regulator.
4. Replace alternator.
1. Place IZT bypass linkages in drive in "engaged"
position.
2. Replace IZT belt.
1. Move throttle control to "SLOW" position and
allow to idle for 30 seconds before stopping
engine.
49
CORRECTION