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Troubleshooting the Mower
PROBLEM CAUSE REMEDY
Mower cutting
height does not
adjust.
Cutting height motor screw dirty or requires
lube.
Thoroughly clean and lubricate cutting height motor
screw.
Cutting height linkage disconnected. Check that mower linkage is connected.
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 engine speed to FAST 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 engine speed to FAST 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.
PTO clutch out of adjustment. Adjust PTO clutch. See Maintenance Section.
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 your local authorized dealer.
Parking brake is not fully released. Contact your local authorized dealer.
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 adjustment knobs not
adjusted.
See SPEED BALANCING ADJUSTMENT in Service &
Adjustments section.