Craftsman 917.387850 Owner's Manual page 21

Ez3 ules walk-behind mowers
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iii1,111,i ii
..................
TROUBLESHOOTING
POINTS
ii
,i,
PROBLEM
Doesnot start
Loss of power
,11,1
Poor cut - uneven
iii
,i,
Excessive vibration
Starter rope hard to pull
,11 ii
Grass catcher not filling
(if so equipped)
Hard to push
CAUSE
1. _ Di_y air filter.
2.
Out Of fuel.
3.
Stale fuel.
4.
Water in fuel.
5.
Spark 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.
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.
1,1,11,
,i, i
1.
Worn, bent or loose blade.
2.
Wheel heights uneven,
3.
Low engine speed.
4.
Buildup of grass, leaves, and trash under mower.
Hill
1.
Worn, bent or loose blade.
2.
Bent engine crankshaft,
iiiiii ,11
i
1.
Engine flywheel brake is on when control bar is
CORRECTION
iii i,ii
i
i
1.
Clean/replace
air filter.
2..
Fill fuel tank.
3,
Drain tank and refill with fresh clean fuel.
4.
Drain fuel tank and carburetor and refill tank with fresh
gasoline.
5.
Connect wire to plug.
6.
Rep{ace spark plug.
7.
Tighten blade bo[t or replace blade adapter.
8.
Depress control bar to handle.
9.
Replace control bar.
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.
i,iii
ii
1.
Replace blade, Tighten blade bolt.
2.
Set all wheels at same height.
3.
Contact an authorized service center/department.
4.
Clean underside of mower housing.
ill
i
ii ii ¸
t.
Replace blade, Tighten blade bolt.
2.
Contact an authorized service center/department.
iii
1.
Depress control bar to upper handle before "
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.
4.
Low engine speed.
1.
Grass is too high or wheel height is too low.
2,
Rear of ]awn mower housing/blade
dragging
in grass.
3.
Grass catcher too full
4.
Handle height position not right for you.
pulling starter rope.
2.
Contact an authorized service center/department.
3.
Replace blade adapter.
4.
Move lawn mower to cut grass or to hard surface
to start engine.
i1,11 , , i
ii iii
,
1.
Raise cutting height.
2.
Replace blade.
3.
Clean grass catcher.
4.
Contact an authorized service center/department.
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.
21

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