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Troubleshooting
PROBLEM
Abnormal vibration.
Uneven cutting height.
Blades do not rotate.
POSSIBLE CAUSES
1.
Cutting blade(s) is/are bent or
unbalanced.
2.
Blade mounting bolt is loose.
3.
Drive shaft bolts are loose.
4.
Loose gearbox assembly.
5.
Worn gearbox bearings.
6.
Gearbox gears are damaged.
7.
Blade spindle bent.
8.
Universal joint worn.
1.
Blade(s) not sharp.
2.
Cutting blade(s) is/are bent.
3.
Mower is not level.
4.
Underside of mower is dirty.
5.
Tire pressure is incorrect.
6.
Gearbox spindle bent.
1.
PTO drive shaft is not
attached.
2.
PTO drive belt is broken.
3.
Gearbox gears are damaged.
CORRECTIVE ACTION
1.
Install new cutting blade(s).
2.
Tighten blade mounting bolt.
3.
Tighten drive shaft bolts.
4.
Tighten the appropriate
hardware.
5.
Replace bearings.
6.
Replace gears.
7.
Replace spindle.
8.
Replace universal joint.
1.
Sharpen blade(s).
2.
Install new cutting blade(s).
3.
Level mower from
side-to-side and front-to-rear.
4.
Clean the underside of the
mower.
5.
Adjust tire pressure.
6.
Replace spindle.
1.
Install drive shaft.
2.
Replace belt.
3.
Replace gears.
23
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