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Mower seems to require
excessive power
Advancing into grass too rapidly
Reduce forward travel speed
Hitting ground
Raise mower and reset wheels
Worn or dull blades
Sharpen or replace blades
Tractor not large enough
Use larger horsepower tractor
Excessive vibration
Check gearbox bolts
Tighten if loose
Check for loose nuts on blades
Tighten if loose
Blade broken
Replace blades, in set
New blade or bolts matched with worn blade
or bolts
Replace blades or bolts in sets
Drivelines not phased correctly. Implement
and tractor yokes must be in line
Phase the driveline. Replace if necessary
Gearbox noisy
Worn bearing
Replace bearings
Low oil in gearbox
Check level and add oil
Gearbox leaking
Damaged oil seal
Replace seal
Bent shaft
Replace oil seal and shaft
Shaft rough in oil seal area
Replace or repair shaft
Oil seal installed incorrectly
Replace seal
Oil seal not sealing in the housing
Replace seal or use a sealant on outside diameter of
seal
Oil level too high
Drain oil to proper level
Hole in gearbox
Replace the gearbox
Gasket damaged
Replace gasket
Bolts loose
Tighten bolts
