Not for
Reproduction
Problem: Rider drive belt slips.
Remedy
Cause
Clean as required.
Pulleys or belt is greasy or oily.
Adjust the spring tension. See
Transmission Drive Belt Replacement.
Tension too loose.
Replace belt.
Belt stretched or worn.
Problem: Brake will not hold.
Remedy
Cause
See Parking Brake Adjustment.
Brake is incorrectly adjusted.
See authorized dealer.
Braking components in transmission
worn.
Problem: Rider steers or handles poorly.
Remedy
Cause
Check and tighten any loose
connections.
Steering lever linkages are loose.
See Checking Tire Pressures
Improper tire inflation.
Troubleshooting the Mower Deck
Problem: Mower will not raise.
Remedy
Cause
See authorized dealer.
Lift linkage not properly attached or
damaged.
Problem: Engine stalls easily with mower engaged.
Remedy
Cause
Set to full throttle.
Engine speed too slow.
Decrease ground speed.
Ground speed too fast.
Cut tall grass at maximum cutting
height during first pass.
Cutting height set too low.
Cut grass with discharge pointing
towards previously cut area.
Discharge chute jamming with cut
grass.
Problem: Excessive mower vibration.
Remedy
Cause
Tighten to 70 ft. lbs. (94 Nm)
Blade mounting bolts are loose.
Check and replace as necessary.
Mower blades, arbors, or pulleys are
bent.
Remove, sharpen, and balance blades.
See Servicing the Mower Blades.
Mower blades are not balanced.
Reinstall the belt correctly.
Belt installed incorrectly.
Problem: Excessive belt wear or breakage.
Remedy
Cause
Repair or replace.
Bent or rough pulleys.
Replace with correct belt.
Using incorrect belt.
Problem: Mower drive belt slips, or fails to drive.
Remedy
Cause
Repair or replace as needed.
Idler pulley spring broken, or not
properly attached.
Replace mower drive belt.
Mower drive belt broken.
Problem: Mower does not engage.
Remedy
Cause
Problem: Mower does not engage.
Locate and repair damaged wire.
Electrical wiring damage.
Recharge battery and check alternator.
See Battery Maintenance.
Battery voltage too low.
Troubleshooting Common Cutting
Problems
Problem: Streaking
Streaking is when thin strips of uncut grass are left behind the mower. Streaking
is usually caused by operator error or poor blade maintenance.
Remedy
Cause
Sharpen your blades.
Blades are not sharp.
Replace your blades.
Blades are worn down too far.
Always mow at full throttle.
Engine speed is too slow.
Slow down.
Ground speed is too fast.
Clean out the mower.
Deck is plugged with grass.
Overlap your cutting rows
Not overlapping cutting rows enough.
When turning your effective cutting
width decreases–overlap more when
turning.
Not overlapping enough when turning.
Problem: Scalping
Scalping is when the mower deck comes close to or hits the ground. Scalping
can be caused by the mower deck misadjustment, unevenness in the lawn,
or by mower deck bouncing because the ground speed is too fast.
Remedy
Cause
Roll or level the lawn.
Lawn is uneven or bumpy.
Raise the cutting height.
Mower deck cutting height is set too
low.
Slow down.
Ground speed is too fast.
Correctly level the deck.
Deck is not leveled correctly.
Check and inflate the tires.
Tire pressure is low or uneven.
Problem: Stepped Cutting
Stepped cutting is sharp ridges or uneven levels left in the lawn surface.
Stepped cutting is usually caused by mower deck damage or misadjustment,
or damage to the mower blades.
Remedy
Cause
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