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www.major-equipment.com
Mower seems to
require excessive
power
Advancing into grass too rapidly
Reduce forward travel speed
Hitting ground
Raise mower and reset skids
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
Noisy machine
Worn bearing
Replace bearings
Low oil in gearbox
Check level and add oil
Wrong PTO rpm rate
Check PTO rate & adjust as necessary
Rotors bent / broken
Replace bent or missing blades
Bent PTO shaft
Check PTO shafts are aligned correctly. Check output
shaft on gearboxes are not bent. Check driveline between
gearboxes is aligned.
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 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
Cutting deck swings
behind tractor while
cutting.
Advancing into grass too rapidly
Reduce forward speed
Very heavy crop
Reduce forward speed and / or change cutting height
Pressure relief valve is set too low
Adjust relief valve until cutting deck stops falling back
