Husqvarna LOYTH20F42T Lawn Mower User Manual


 
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Mower blades will 1. Obstruction in clutch 1. Remove obstruction.
not rotate mechanism.
2. Worn/damaged mower drive 2. Replace mower drive belt.
belt.
3. Frozen idler pulley. 3. Replace idler pulley.
4. Frozen blade mandrel. 4. Contact a qualifi ed service
center.
5. Mower belt off engine pulley. 3. Install belt on engine pulley.
Poor grass 1. Engine speed too slow. 1. Place throttle control in
discharge “FAST” position.
2. Travel speed too fast. 2. Shift to slower speed.
3. Wet grass. 3. Allow grass to dry before
mowing.
4. Mower not level. 4. Level mower.
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 7. Clean underside of mower
trash under 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 vent 11.Clean around mandrels to
holes from buildup of grass, open vent holes.
leaves, and trash around
mandrels.
Headlight(s) not 1. Light switch is “OFF”. 1. Turn light 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 connections.
5. Blown fuse. 5. Replace fuse.
Battery will not 1. Bad battery cell(s). 1. Replace battery.
charge 2. Poor cable connections. 2. Check/clean all connections.
3. Faulty regulator 3. Replace regulator.
(if so equipped).
4. Faulty alternator. 4. Replace alternator.
Loss of drive 1. Freewheel control in 1. Place freewheel control in
“disengaged” position. “engaged” position.
2. Motion drive belt worn, 2. Re place motion drive belt.
damaged, or broken.
3. Air trapped in transmission 3. Purge transmission.
during shipment or servicing.
Engine “backfi res” 1. Engine throttle control not set 1. Move throttle control
when turning between half and full speed between half and full speed
engine “OFF” (fast) position before stopping (fast) position before
engine. stopping engine.
PROBLEM CAUSE CORRECTION
TROUBLESHOOTING CHART:
See ap pro pri ate section in manual un less di rect ed to s service center