Not for
Reproduction
43
en
Troubleshooting the Mower
PROBLEM
CAUSE
REMEDY
Mower will not raise.
1. Lift linkage not properly attached or damaged
Attach or repair.
2. Dirt in hydraulic lines.
Change hydraulic system filter.
Mower cut is uneven.
1. Mower not leveled properly.
See Mower Adjustment.
2. Tractor tires not inflated equally or properly.
See Maintenance Section.
3. Cutting with attachment lift in raised position.
Lower attachment lift.
Mower cut is rough
looking.
1. Engine speed too slow.
Set to full throttle.
2. Ground speed too fast.
Slow down.
3. Blades are dull.
Sharpen or replace blades.
See Mower Blade Service.
4. Mower drive belt slipping because it is oily or
worn.
Clean or replace belt as necessary.
5. Check PTO (Electric Clutch) Adjustment
See Adjustments Section.
6. Blades not properly fastened to arbors.
See Servicing the Mower Blades.
Engine stalls easily
with mower engaged.
1. Engine speed too slow.
Set to full throttle.
2. Ground speed too fast.
Slow down.
3. Mower choked with grass.
Clean out mower deck.
4. Cutting height set too low.
Cut tall grass at maximum cutting height during first
pass.
5. Discharge chute jamming with cut grass.
Cut grass with discharge pointing toward previously
cut area.
6. Engine not up to operating temperature.
Run engine for several minutes to warm-up.
7. Starting mower in tall grass.
Start the mower in a cleared area.
Excessive mower
vibration.
1. Blade mounting screws are loose.
Tighten to 45-55 ft.lbs. (61-75 N.m.).
2. Mower blades, arbors, or pulleys are bent.
Check and replace as necessary.
3. Mower blades are out of balance.
Remove, sharpen, and balance blades.
See Servicing the Mower Blades.
4. Mower choked with grass.
Clean out mower deck.
Excessive belt wear or
breakage
1. Bent or rough pulleys.
Repair or replace.
2. Using incorrect belt.
Replace with correct belt.
3. Excessive debris under cover.
Remove covers and clean out mower deck.
Mower drive belt slips
or fails to drive.
1. Idler pulley spring broken or not properly attached. Repair or replace as needed.
2. Excessive debris under covers.
Clean out mower deck.
3. Mower drive belt broken.
Replace drive belt.