Troubleshooting The Mower - Simplicity 2690657 Operator's Manual

Tractor Troubleshooting Cont.
Tractor drive belt slips.
Brake will not hold.
Tractor steers hard or
handles poorly.

TROUBLESHOOTING THE MOWER

PROBLEM
Mower will not raise.
Mower cut is uneven.
Mower cut is rough looking.
Engine stalls easily with
mower engaged.
Excessive mower vibration.
Excessive belt wear or breakage.
Mower drive belt slips
or fails to drive.
Troubleshooting, Adjustment, & Service
1. Clutch/brake is out of adjustment.
2. Pulleys or belt greasy or oily.
3. Belt stretched or worn.
4. Idler pulley pivot bracket
"frozen" in declutched position.
1. Brake is incorrectly adjusted.
2. Internal brake worn.
1. Steering linkage is loose.
2. Improper tire inflation.
3. Front wheel spindle
bearings dry.
CAUSE
1. Lift linkage not properly attached
or damaged.
2. Dirt in hydraulic lines.
3. Brake pedal depressed.
4. Tractor harness not
connected to deck harness.
5. Height of cut switch broken.
1. Mower not leveled properly.
2. Tractor tires not inflated
equally or properly.
1. Engine speed too slow.
2. Ground speed too fast.
3. Blades are dull.
4. Mower drive belt slipping
because it is oily or worn.
5. Check PTO (Electric Clutch)
Adjustment.
6. Blades not properly fastened
to arbors.
1. Engine speed too slow.
2. Ground speed too fast.
3. Carburetor improperly adjusted.
4. Cutting height set too low.
5. Discharge chute jamming
with cut grass.
6. Engine not up to operating
temperature.
7. Starting mower in tall grass.
1. Blade mounting screws
are loose.
2. Mower blades, arbors,
or pulleys are bent.
3. Mower blades are out
of balance.
4. Belt installed incorrectly.
1. Bent or rough pulleys.
2. Using incorrect belt.
1. Idler pulley spring broken or not
properly attached.
2. Belt stops out of adjustment.
3. Mower drive belt broken.
4. PTO clutch out of adjustment.
37
See Adjustments Section.
Clean as required.
Replace with new belt.
Remove idler pulley bracket, clean and lubricate.
See Brake Adjustment.
See your dealer.
Check and tighten any loose connections.
See Steering Gear Adjustment.
Check and correct.
Grease spindles. See Lubricating the
Tractor.
REMEDY
Attach or repair.
Change hydraulic system filter.
Release brake pedal to power transmission.
Reconnect harness.
Replace switch.
See Mower Adjustment.
See Maintenance Section.
Set to full throttle.
Slow down.
Sharpen or replace blades.
See Mower Blade Service.
Clean or replace belt as necessary.
See Adjustments Section.
See Servicing the Mower Blades.
Set to full throttle.
Slow down.
See Engine Manual.
Cut tall grass at maximum cutting
height during first pass.
Cut grass with discharge pointing toward
previously cut area.
Run engine for several minutes to warm-up.
Start the mower in a cleared area.
Tighten to 45-55 ft-lbs (61-75 Nm).
Check and replace as necessary.
Remove, sharpen, and balance blades.
See Servicing the Mower Blades.
Reinstall Correctly.
Repair or replace.
Replace with correct belt.
Repair or replace as needed.
Check belt stops.
Replace drive belt.
Adjust PTO clutch.