Craftsman 107.27768 User Manual
Page 32
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Engine runs, but
rider will not
drive.
Transmission release levers in PUSH
positions.
Move levers to DRIVE positions.
Drive belt slips.
Clean or replace belt as necessary.
Belt is broken.
Replace drive belt. Contact Sears Parts & Repair.
Parking brake is not fully released.
Contact Sears Parts & Repair.
Rider drive belt
slips.
Pulleys or belt greasy or oily.
Clean as required.
Belt stretched or worn.
Replace belt. Contact Sears Parts & Repair.
Parking brake
will not hold.
Parking brake is incorrectly adjusted.
See Service & Adjustments Section.
Rider steers or
handles poorly.
Improper tire inflation.
See Maintenance Section.
Steering linkage is loose.
Check and tighten any loose connections.
Rider tracks to
one side.
Ground speed adj. knobs not adjusted. See SPEED BALANCING ADJUSTMENT
Troubleshooting the Mower
PROBLEM
CAUSE
REMEDY
Mower
cutting
height
difficult
to
adjust.
Cutting height crank threads dirty or
require lube.
Thoroughly clean and lubricate cutting height crank
with oil.
Mower
cut
is
uneven.
Rider tires not inflated equally or properly. See Maintenance Section.
Mower not leveled properly.
See "Mower Leveling" in Service & Adjustments.
Mower cut is rough
looking.
Engine speed too slow.
Always set throttle to FULL when mowing.
Ground speed too fast.
Decrease ground speed.
Blades are dull.
Sharpen or replace blades. See Maintenance
Section.
Mower drive belt slipping because it is oily
or worn.
Clean or replace belt as necessary.
Blades not properly fastened to arbors.
See "Check/Replace Mower Blades" in
Maintenance Section.
Engine stalls easily
with mower
engaged.
Engine speed too slow.
Always set throttle to FULL when mowing.
Ground speed too fast.
Decrease Ground Speed.
Cutting height set too low.
Cut tall grass at maximum cutting height during first
pass.
Underside of mower deck dirty.
Remove mower deck and clean underside.
Discharge chute jamming with cut grass.
Cut grass with discharge pointing toward previously
cut area.
Excessive mower
vibration.
Blade mounting nuts are loose.
Tighten to
80-90
ft. lbs.
(108-122 N.m.).
Mower blades, arbors, or pulleys are bent. Check and replace as necessary.
Mower blades are out of balance.
Replace or balance blades. See Maintenance
Section.
Belt installed incorrectly.
Reinstall correctly.
Mower drive belt
slips or fails to
drive.
Idler pulley spring broken or not properly
attached.
Repair or replace as needed.
Mower drive belt broken.
Replace drive belt.
PTC clutch out of adjustment.
Adjust PTC clutch. See Maintenance Section.
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