Sears 917.372851 - Manual (Page 27)

TROUBLESHOOTING POINTS
PROBLEM CAUSE CORRECTION
Does not start 1. Dirty air fitter.
2. Out of fuei.
:3. Stale fuel.
4. Water In fuel.
5. Spartc plug wire is disconnected.
6. Bad spark plug.
7. Loose blade or broken blade adapter.
8. Control bar in released position
9. Control bar defective
1. Clean/replace air filter.
2. Fill 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.
Loss of power 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. 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.
Poor cut - uneven 1. Worn, bent or loose blade.
2. Wheel heights uneven.
3. Low engine speed,
4. Buildup of grass, leaves, and trash under mower.
1. Replace blade. Tighten biade bolt.
2. Set all wheels at same height.
3. Set engine speed control in HIGH position.
4. Clean underside of mower housing.
Excessive vibration 1. Worn, bent or loose blade.
2. Bent engine crankshaft.
1. Replace biade. Tighten blade bolt.
2. Contact Sears Service Department.
Starter rope hard to pull 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. Depress control bar to upper handle before
pulling starter rope.
2. Contact Sears Service Department,
3. Replace biade adapter.
4. Move lawn mower to cut grass or to hard surface
to start engine.
Loss of drive 1. Drive wheels not turning with drive control engaged.
2. Belt not driving.
1. Adjust or replace drive control cable, if broken.
2. Put belt on pulleys or replace belts if broken.
Grass catcher not fiffing 1. Cutting height too low. 1. Raise cutting height.
(If so equipped) 2. Lift on blade worn off.
3. Catcher not venting air.
4. Low engine speed. 2. Replace blade.
3. Clean grass catcher.
4. Set engine speed control in HIGH position.
Hard to push 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.
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.
27