Craftsman 917.37459 Lawn Mower User Manual


 
TROUBLESHOOTING POINTS
PROBLEM
Does not start
Loss of power
Poorcut-uneven
Excessive vibration
Starter rope hard to pull
Loss of drive
Grass catcher not filling
(If so equipped)
Hard to push
CAUSE
1. Dirty air filter.
2. Out of fuel
3. Stale fuel.
4. Water in fuel
5. Spark plug wire is disconnected.
6. Bad spark ptug.
7. Loose blade or broken blade adapter.
8. Controt barin released position.
9. Control bar defective.
!0. Weak battery.
fl. Disconnected battery connector.
1. Rear of lawn mower housing/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.
1. Worn, bent or loose blade.
2. Wheel heights uneven.
3. Low engine speed.
4, Buildup of grass, leaves, and trash under mower.
!. Worn, bent or loose blade.
2. Bent engine crankshaft.
1. Engine flywheel brake is on when control bar is
released.
2. Bent engine crankshaft
3. Blade adapter broken.
4. Blade dragging in grass.
1. Drive wheels not turning with drive control engaged.
2. Belt not driving.
1. Cutting height too low.
2. Lift on blade worn off.
3. Catcher not venting air.
4. Low engine speed.
1. Grass is too high or wheel height is too low.
2. Rear of lawn mower housing/blade dragging
in grass.
3. Grass catcher too full.
4. Handle height position not right for you.
CORRECTION
f. Clean/replace air filter.
2. Flit fuel tank.
3. Drain tank and refill with fresh clean fuel.
4. Drain fuel tank and carburetorand refill tank with fresh
gasoline.
5. Connect wire to plug.
6. Replace spark plug.
7. Tighten blade bolt or replace blade adapter.
8. Depress control bar to handle.
9. Replace control bar.
10. Charge battery.
11. Connect battery to engine
1. Set in "Higher Cut" position.
2, Set in "Higher Cut" position.
3. Clean/replace air filter.
4. Clean underside of mower housing.
5. Check oil level.
6. Cut at slower walking speed.
1, Reptace blade, Tighten biade bolt.
2, Set all wheels at same height.
3. Set engine speed control in fast position.
4. Clean underside of mower housing,
1. Replace bIade. Tighten blade boil.
2. Contact authorized service center/department.
1. Depress control bar to upper handte before
pulling starter rope.
2. Contact authorized service center/department.
3. Replace blade adapter.
4. Move lawn mower to cut grass or to hard surface
to start engine.
1, Adjust or replace ddve control cable, if broken.
2. Put belt on pulIeys or replace belts if broken.
1. Raise cutting height,
2. Reptace blade.
3. Clean grass catcher.
4. Set engine speed control in fast position.
1. Raise cutting height.
2. Raise rear of lawn mower housing one (!)
setting higher,
3. Empty grass catcher.
4. Adjust handle height to suit,
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