Yetter 2920 Series Max Sealer Plus - Manual (Page 8)

8
MAINTENANCE
Lubrication: Use #2 multi-purpose lithium grease.
To insure longevity and reliability of the MAX SEALER PLUS™ the recommended lubrication schedule
should be followed.
BEARING ADJUSTMENT
Tighten the slotted nut to 10 to 15 ft/lbs. or until a definite drag is felt when the blade is turned by hand.
Tighten the nut one slot position to align the slot with the hole in the spindle shaft. Secure the nut with a
new cotter pin. Install the hubcap.
BEARING REPLACEMENT
1. Raise the toolbar until the blade is clear of the ground. Place a safety stand under the toolbar. Remove the
blade from the hub assembly. Remove the hubcap, cotter pin, slotted nut and washer from the hub assembly.
2. Remove bearing cones and seal from the hub.
3. Wash the old grease from the hub, bearing cups, spindle, seals and bearing cones. Inspect the condition of
bearing cups, cones and seals. Replace if necessary.
4. Apply #2 multi-purpose lithium grease on each bearing. Make sure the space around each roller is filled.
Lubricate the bearing cups.
5. Position the bearing in the cup and install the seal. Lubricate the seal lips and proceed with re-assembly of the
removed parts including the blade. Blade bolt torque is 90 to 96 ft/lbs.
6. Tighten the slotted nut to 10 to 15 ft/lbs. or until a definite drag is felt when blade is turned by hand. Tighten
the nut one slot position to line up the cotter pin hole with a slot. Secure the nut with a new cotter pin. Install
the hubcap.