Murray 198933 Instruction Book page 17

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