Husqvarna 917.37581 - Manual (Page 18)

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