Husqvarna HD800BBC Operator's Manual page 19

See appropriate section in manual unless directed to a Husqvarna or other authorized repair center.
PROBLEM
Loss of power 1. Rear of lawn mower housing or cutting
2. Cutting too much grass.
3. Dirty air fi lter.
4. Buildup of grass, leaves and trash under
5. Too much oil in engine.
6. Walking speed too fast.
Poor cut – 1. Worn, bent or loose blade.
uneven 2. Wheel heights uneven.
3. Buildup of grass, leaves and trash under
Excessive 1. Worn, bent or loose blade.
vibration 2. Bent engine crankshaft.
Starter rope 1. Engine fl ywheel brake is on when control
hard to pull
2. Bent engine crankshaft.
3. Blade adapter broken.
4. Blade dragging in grass.
Grass catcher 1. Cutting height too low.
not fi lling 2. Lift on blade worn off.
(if so equipped) 3. Catcher not venting air.
Blade/brake 1. Defective blade control.
clutch does
not engage
Engine dies 1. Cold engine.
when starting
blade 2. Mower is in uncut grass.
Hard to push 1. Grass is too high or wheel height is too low.
2. Rear of lawn mower housing or cutting
3. Grass catcher too full.
4. Handle height position not right for you.
Loss of drive 1. Belt wear.
(or slowing of 2. Belt off of pulley.
drive speed) 3. Drive cable worn or broken.
4. "Loose" drive control system.
TROUBLESHOOTING POINTS
CAUSE
blade dragging in heavy grass.
mower.
mower.
bar is released.
blade dragging in heavy grass.
CORRECTION
1. Raise cutting height.
2. Raise cutting height.
3. Clean/replace air fi lter.
4. Clean underside of mower housing.
5. Check oil level.
6. Cut at slower walking speed.
1. Replace blade. Tighten blade bolt.
2. Set all wheels at same height.
3. Clean underside of mower housing.
1. Replace blade. Tighten blade bolt.
2. Contact a Husqvarna or other authorized
service center.
1. Depress control bar to upper handle before
pulling starter rope.
2. Contact a Husqvarna or other authorized
service center.
3. Replace blade adapter.
4. Move lawn mower to cut grass or other
hard surface before starting.
1. Raise cutting height.
2. Replace blade.
3. Clean grass catcher.
1. Replace blade/brake control.
1. Allow engine to warm up
for one minute.
2. Move mower to cleared area.
1. Raise cutting height.
2. Raise rear of lawn mower housing one (1)
setting higher.
3. Empty grass catcher.
4. Adjust handle height to suit.
1. Check/replace drive belt.
2. Check/reinstall drive belt.
3. Put belt on pulleys / replace belts if broken.
4. Adjust drive control.
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