Grizzly G0449 Owner's Manual page 39

7.
Remove any metal or abrasives trapped in
the bearing grease groove and grease port
(see Figure 47), or contaminants will be
pumped into the new bearing when you lubri-
cate it, causing bearing failure.
Grease
Port
Bearing Housing Grease Groove
Figure 47. Typical bearing-bloock grease groove
and grease port.
8.
Clean and inspect the bearing-housing for
cracks, burrs, wear, and other damage;
replace/repair as required. The bearing race
should rotate inside of the bearing housing
smoothly. If the race is loose or wobbles
inside of the bearing housing, replace the
bearing housing (Figure 46).
NOTICE
Make sure the bearing grease hole in the
bearing lines up with the grease groove in
the bearing housing and that no obstructions
prevent bearing lubrication.
Bearing
Grease Port
Guide Pin
Figure 48. Key bearing parts
G0449/G0450 37" Drum Sander
9.
10. Slide (DO NOT hammer) the bearing housing
11. Lower the drum and pillow bearing onto the
12. Install and tighten the set screws.
13. Wipe the grease fitting clean, and lubricate
14. Repeat Steps 3—13 on all other bearings
15. Adjust the drums and pressure rollers as out-
Set
Screw
Hub
Bearing
Race
Insert the new bearing into the bearing hous-
ing so the set screws and hub are on the
same side as the grease fitting on the bearing
housing (Figures 44 and 48).
and bearing onto the drum shaft.
mounting studs, and install the flat washers
and the nuts. Tighten the nuts in an alternat-
ing pattern until snug.
the bearing with just enough grease to slight-
ly seep from the dust seal and wipe clean
(these bearings are not pre-lubricated). DO
NOT over-grease.
that need replacement. Always replace both
bearings on the same drum.
lined on Pages 39 & 44.
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