Simplicity 1691682 Service & Repair Manual page 19

Tractor Troubleshooting Cont.
Tractor drive belt slips.
Brake will not hold.
Tractor steers hard or
handles poorly.
Drive belt does not stop when
clutch/brake pedal depressed.
TROUBLESHOOTING THE MOWER
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.
1. Clutch 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 disc on
transaxle worn.
1. Steering linkage is loose.
2. Improper tire inflation.
3. Spindle bearings dry.
1. Belt stops or belt tension
out of adjustment.
1. Lift cable or chains not
properly attached or damaged.
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.
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. Belt tension too tight.
2. Bent or rough pulleys.
3. Using incorrect belt.
1. Idler pulley spring broken or not
properly attached.
2. Belt stops out of adjustment.
3. Mower drive belt broken.
2 - 3
2 Troubleshooting
Mower Troubleshooting
See Adjustments Section.
Clean as required.
Replace with correct belt.
Remove idler pulley, clean and lubricate.
See Brake Adjustment.
See Brake Adjustment and
Transmission Repair Sections.
Check and tighten any loose connections.
See Steering Gear Adjustment.
Check and correct.
Grease spindles. See Lubricating the
Tractor.
See Adjustments Section.
Attach or repair as required.
See Mower Adjustment.
See Maintenance Section.
Set to full speed.
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.
Tighten to 50-70 ft.lbs. (74 N.m.).
Check and replace as necessary.
Remove, sharpen, and balance blades.
See Servicing the Mower Blades.
Reinstall Correctly.
Adjust belt tension.
Repair or replace.
Replace with correct belt.
Repair or replace as needed.
Check belt stops.
Replace drive belt.