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RELIEF GRINDING HEAD BEARING ADJUSTMENTS
It may be necessary to adjust the guide bearings on the relief
head. To adjust the position of the support bearings,
POSITION THE GRINDING HEAD AT THE FAR LEFT
POSITION, loosen the two positioning bolts located on the
side of the support assembly. Press on the support assembly
until the top support bearing is touching the grinding wheel
hub. Hold the support in place with the bearing touching the
hub and tighten the two positioning bolts. Check to see that
the bearing is touching or has minimal clearance to the hub
through the full range of left to right travel.
NOTE: EXCESSIVE PRELOAD OF THE
BEARING ASSEMBLIES ON THE HUB CAN
CAUSE THE BEARINGS TO WEAR QUICKER
AND COULD CAUSE THEM TO FAIL
PREMATURELY.
Bracket
Positioning
Bolts
Top Support Bearing
Assembly
ADJUSTMENTS (Continued)
FIG. 22