TROUBLESHOOTING
CHART:
See appropriate
section in manual unless directed to Sears service center
PROBLEM
Engine
overheats
Excessive
bounce/difficult
handling
CAUSE
1.
Low oil level/dirty
oil.
2.
Dirty engine
air screen.
3.
Dirty engine.
4.
Partially
plugged
muffler.
5.
Improper
carburetor
adjustment.
1. Ground
too dry and hard.
CORRECTION
1. Check
oil level/change
oil.
2.
Clean
engine
air screen.
3.
Clean
cylinder
fins, air
screen,
muffler
area.
4.
Remove
and clean
muffler.
5.
Adjust
carburetor
to richer
position.
1.
Moisten
ground
or wait for
more favorable
soil condi-
tions.
Soil balls up or
1. Ground
too wet.
1. Wait for more favorable
clumps
soil conditions.
1.
Engage
tine control.
Engine
runs but
tiller won't
m ove
Engine
runs but
labors when
tilling
1. Tine control
is not
engaged.
2.
V-belt not correctly
adjusted.
3.
V-belt is off pulley(s).
1. Tilling
too deep.
2.
Throttle
control
not
properly
adjusted.
3.
Carburetor
out of
adjustment.
1. Shear
pin (s) broken.
1. Gears
not timmed.
1. Shift lever set in between
counter
rotating
till posi-
tion and forward
rotating
till position.
2.
Tines jammed.
Tines
Skip
over ground
Hard to Shift
into gear
Tiller shuts off
when drive
control bar
engaged
2.
Inspect/adjust
V-belt.
3.
Inspect V-belt.
1. Set depth
stake for shallower
tilling.
2.
Check
throttle
control
setting.
3.
Make necessary
adjust
ments.
1
Replace
shear
pin(s).
Briefly engage
drive control
bar and release
or rock tiller
forward
and backward
until
are able to shift gears.
,
Shift to either counter
rotating
till position
or
forward
rotating
till position.
Clear tines.
21