25
Troubleshooting, Adjustment & Repair
TROUBLESHOOTING THE MOWER DECK
PROBLEM
CAUSE
REMEDY
Mower drive belt slips or fails
to drive.
Clutch is out of adjustment.
See PTO Clutch Adjustment section.
Pulleys or belt greasy or oily.
Clean as required.
Idler pulley spring broken or not properly
attached.
Repair or replace as needed.
Belt stretched or worn.
Replace drive belt.
Mower drive belt broken.
Replace drive belt.
Engine stalls easily with mower
engaged.
Engine speed too slow.
Set to full throttle.
Ground speed too fast.
Decrease ground speed.
Cutting height set too low.
Cut tall grass at maximum cutting.
Discharge chute plugged with cut grass,
Cut grass with discharge pointing towards
previously cut area.
Excessive mower vibration.
Blade mounting screws are loose.
Tighten to 70 lbs-ft (94 Nm)
Mower blades, arbors, or pulleys are bent.
Check and replace as necessary.
Mower blades are out of balance.
Remove, sharpen and balance blades. See
Maintenance Section.
Belt installed incorrectly.
Reinstall correctly.
Excessive belt wear or
breakage.
Bent or rough pulleys.
Repair or replace.
Using incorrect belt.
Replace with correct belt.
Not
for
Reproduction
