Maintenance
January 2019 6-19
Wheel Bearings
Implement Hub
• Position implement in eld position.
• Shut tractor off, remove key, and engage park brake.
• Block wheel on tractor.
• Raise the implement wheel enough to clear the
surface.
• Securely block implement frame.
• Remove wheel from hub.
• Remove the dust cap, cotter pin, and the slotted nut
and washer.
• Be careful when pulling the hub off as not to drop
the outer bearing.
• Clean spindle and bearing components with solvent.
• Inspect for wear on bearings, spindle and cups,
replace parts as required.
• Do not reuse old seals. Use only new seals when
assembling.
• Pack inner hub with bearing grease.
• Be sure bearing and cup are dry and clean.
• Work grease into the bearing rollers, until each part
of the bearing is completely full of grease.
• Install inner bearing and cup rst, then press new
seals in place.
• Place hub on spindle.
• Install outer bearing, washer and slotted nut.
• Tighten nut while turning the wheel until a slight drag
is felt.
• Back nut off one slot and install a cotter pin. Bend
cotter pin up around nut.
• Pack grease inside the dust cap and tap into position.
Important
Check wheel bearings for play every
5,000 acres (2,000 hectares)
or yearly, which ever occurs first.
Tighten as required.
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