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Husqvarna 968999245/ CZ3815 Operator's Manual Page 32

Husqvarna lawn mower user manual.
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PROBLEM
TROUBLESHOOTING
POINTS
CAUSE
CORRECTION
Engine
continues
to
run when
operator
leaves
seat with
attachment
Poor cut-uneven
Mower
blades
will
not rotate
Poor grass
discharge
Battery
will
not charge
Loss of drive
Engine
"backfires"
when turning
engine "OFF"
1. Faulty operator-sefety
presence control system.
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
grass, leaves, and trash around cutter housing.
1. Obstruction in clutch mechanism.
2.
Worn/damaged
mower drive belt.
3.
Frozen idler pulley.
4.
Frozen cutter housing.
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 cutter housing.
1. Bad battery cell(s).
2.
Poor cable connections.
3.
Faulty regulator
(if so equipped).
4.
Faulty alternator.
1. EZT bypass linkages in bypass position.
2.
EZT belt worn, damaged, or broken.
1. Engine throttle control not set at "SLOW"
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 ddve 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.
Replacelsharpen
blade. Tighten blade bolt.
7. Clean underside of mower housing.
8.
Replace mower ddve 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 EZT bypass linkages in ddve in "engaged"
position.
2.
Replace EZT belt.
1.
Move throttle control to "SLOW" position and
allow to idle for 30 seconds before stopping
engine.
32

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