Troubleshooting The Mower - Snapper 400 Series Operator's Manual

Troubleshooting, Adjustment & Service
Troubleshooting the Rider (Continued)
PROBLEM
Engine runs, but rider will not drive.
Rider drive belt slips.
Brake will not hold.
Rider 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 breakage.
Mower drive belt slips or fails to drive. 1. Idler pulley spring broken or not
CAUSE
1. Ground speed control lever in
neutral.
2. Transmission
release lever in "push" position.
3. Belt is broken.
4. Drive belt slips.
5. Brake is not fully released.
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.
CAUSE
1. Lift cable not properly attached or
damaged.
1. Mower not leveled properly.
2. Rider tires not inflated equally
or properly.
1. Engine speed too slow.
2. Ground speed too fast.
3. Blades dull and require sharpening. 3. See Servicing the Mower Blades.
4. Mower drive belt slipping.
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 not adjusted properly.
4. Cutting height set too low when
mowing tall grass.
5. Discharge chute jamming with
cut grass.
1. Blade mounting screws are loose.
2. Mower blade(s), arbors, or pulleys
are bent.
3. Mower blade(s) out of balance.
4. Belt installed incorrectly.
1. Bent or rough pulleys.
2. Using incorrect belt.
properly attached.
2. Mower drive belt broken.
24
REMEDY
1. Shift in forward or reverse.
2. Move into drive position.
3. See Drive Belt Replacement.
4. See problem and cause below.
5. See Brake Adjustment.
1. See your dealer.
2. Clean as required.
3. Replace with correct belt.
4. Remove idler pulley, clean and lubricate.
1. See Brake Adjustment.
2. See your dealer.
1. Check and tighten any loose connections. See
Steering Gear Adjustment.
2. Check and correct.
3. Grease spindles. See Lubricating the rider.
REMEDY
1. Attach or repair.
1. See Mower Adjustment.
2. See Normal Care.
1. Set to full speed.
2. Set ground speed control lever at a slower
ground speed.
4. Belt oily or worn. Clean or replace belt as
necessary.
5. Clutch may need to be adjusted.
6. See Servicing the Mower Blades.
1. Set for 3/4 to full throttle.
2. Reduce ground speed.
3. Adjust carburetor (See engine manual.)
4. Cut tall grass at maximum cutting height
during first pass.
5. Cut grass with discharge pointing toward
previously cut area.
1. Tighten to 45-55 ft.lbs. (61-75 N.m.).
2. Check and replace as necessary.
3. Remove, sharpen and balance blade(s).
See Servicing the Mower Blade(s).
4. See Belt Replacement.
1. Repair or replace.
2. See your dealer.
1. See your dealer.
2. Replace.