BEARING ADJUSTMENT
This procedure is to only be performed if bearing adjustment is deemed
necessary after performing the bearing check procedure described in
“BEARING CHECK” section.
Remove the VAULT wheel bearing protector. The protector is held in the
hub by an interference fit. To remove cap, lay a block of wood against the
side of it and strike the wood with a hammer. Place the wood on the
opposite side and hit it again. Continue this procedure until you slowly
“walk” the cap out of the hub. Remove the cotter pin and spindle nut
retainer.
While rotating hub, tighten the spindle nut to 18-20 inch-pounds, which is
about “finger tight.” Do not over tighten. When the unit is positioned
properly the wheel should turn easily and there should be no end-play
(lateral movement) of the hub in respect to the spindle.
To replace the nut retainer, find a position where it will fit over the spindle
nut at so that the cotter pin can be inserted without having to loosen or
tighten the nut. Insert a new cotter pin. Recheck end-play. Spread the
ends of the cotter pin to keep it in place.
Make sure the rubber o-ring is installed in the nose of the hub. Clean the
bore of the hub cavity thoroughly. Add Hybrid Oil Lubricant to the inside of
the VAULT protector. Apply a thin film of Permatex High-Temp RTV Silicone
Gasket Maker to the bore surface. Install the protector with a soft mallet until
the shoulder seats against the hub nose.
BEARINGS
We use tapered roller bearings identical to those currently being used on many
automobiles. Replacements are readily available.
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