Viking MT 830 - Troubleshooting the Mower

EN - 33
English
DeutschFrançais
Troubleshooting, Adjustment, & Service
TROUBLESHOOTING THE TRACTOR - CONTINUED
Tractor drive belt slips.
Brake will not hold.
Tractor steers hard or handles
poorly.
Drive belt does not stop when
clutch/brake pedal depressed.
1. Brake is incorrectly adjusted.
2. Internal brake disc on transaxle
worn.
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
de-clutched position.
1. Steering linkage is loose.
2. Improper tire inflation.
3. Spindle bearings dry.
1. See Brake Adjustment.
2. See authorized service dealer transaxle worn.
1. See authorized service dealer.
1. See authorized service dealer.
2. Clean as required.
3. Replace belt.
4. Remove idler pulley bracket, clean and lubri-
cate.
1. Check and tighten any loose connections. See
Steering Gear Adjustment.
2. See Maintenance Section.
3. Grease spindles. See Lubrication Section.
SYMPTOM PROBLEM SOLUTION
Mower cut is uneven.
Mower cut is rough looking.
Engine stalls easily with mower
engaged.
Excessive mower vibration.
Excessive belt wear or break-
age.
Mower drive belt slips or fails to
drive.
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. Mower drive belt slipping because
PTO clutch is out of adjustment.
6. Blades not properly fastened to
arbors.
1. Bent or rough pulleys.
2. Using incorrect belt.
3. PTO Clutch out of adjustment.
1. Idler pulley or arbor bearing seized.
2. Mower drive belt broken.
3. PTO Clutch out of adjustment.
1. Mower not leveled properly.
2. Tractor tires not inflated equally or
properly.
1. Belt stops or belt tension out of
adjustment
1. Engine speed too slow.
2. Ground speed too fast.
3. Cutting height set too low.
4. Discharge chute jamming with cut
gras.
1. Set to full throttle.
2. Slow down.
3. Sharpen or replace blades. See Mower Blade
Service.
4. Clean or replace belt as necessary.
5. See PTO Clutch Adjustment.
6. See Servicing the Mower Blades.
1. Repair or replace.
2. Replace with correct belt.
3. See PTO Clutch Adjustment.
1. Repair or replace as needed.
2. Replace drive belt.
3. See PTO Clutch Adjustment.
1. See Mower Adjustment.
2. See Maintenance Section.
1. Set to full throttle.
2. Slow down.
3. Cut tall grass at maximum cutting height dur-
ing first pass.
4. Cut grass with discharge pointing toward pre-
viously cut area.
TROUBLESHOOTING THE MOWER
SYMPTOM PROBLEM SOLUTION
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.
5. PTO Clutch out of adjustment.
1. Tighten to 61-75 N.m.
2. Check and replace as necessary.
3. Remove, sharpen, and balance blades. See
Maintenance Section.
4. Reinstall Correctly.
5. See PTO Clutch Adjustment.