Husqvarna HU700H Operation Manual page 18

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
blade dragging in heavy grass.
2. Cutting too much grass.
3. Dirty air filter.
4. Buildup of grass, leaves and trash under
mower.
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
mower.
Excessive 1. Worn, bent or loose blade.
vibration 2. Bent engine crankshaft.
Starter rope 1. Engine flywheel brake is on when control
hard to pull bar is released.
2. Bent engine crankshaft.
3. Blade adapter broken.
4. Blade dragging in grass.
Grass catcher 1. Cutting height too low.
not filling 2. Lift on blade worn off.
(if so equipped) 3. Catcher not venting air.
Hard to push 1. Grass is too high or wheel height is too low.
2. Rear of lawn mower housing or cutting
blade dragging in heavy grass.
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 CORRECTION
1. Raise cutting height.
2. Raise cutting height.
3. Clean/replace air filter.
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. 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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