42
Figure 11: Bearing Housing Replacement
SHAKER
PLATFORM
.
8. Gently slide the
MOTOR MOUNTING PLATE
toward the back of the shaker to loosen
the
MOTOR BELT
from the
MOTOR PULLEY
and the
LARGE COUNTERWEIGHTED
PULLEY
. Moving the
MOTOR MOUNTING PLATE
back causes the
MOTOR BELT
to
fall from both belt tracks.
9. Remove
MOTOR BELT
and set it aside.
10. Use an
ALLEN KEY
to remove the
ALLEN SCREW
from the
LARGE BEARING
HOUSING PULLEY
.
11. Remove the
LARGE BEARING HOUSING PULLEY
from the
BEARING HOUSING
SHAFT
.
12. Remove the
BEARING HOUSING
.
13. Place the new
BEARING HOUSING
inside the shaker.
14. Reinstall and tighten the four
NUTS
on the
STUD SCREWS
.
15. Reinstall the
LARGE BEARING HOUSING PULLEY
on the
BEARING HOUSING SHAFT
.
Reinsert the
ALLEN SCREW
and tighten with the
ALLEN KEY
.
16. Put the set screw in place on the shaft flat without tightening it.
17. Place the
MOTOR BELT
around the
MOTOR PULLEY
. Guide the
MOTOR BELT
around
the
LARGE BEARING HOUSING PULLEY
. Move the
MOTOR MOUNTING PLATE
forward, until there is a slight resistance.
18. Adjust the belt so that the belt is level relative to the
MOTOR PULLEY
.
19. Verify that the
MOTOR BELT
has a slight pressure near the center. The recommended
deflection is 3/8 inch (9.5 mm).
20. Tighten the two
HEX BOLTS
on the
MOTOR MOUNTING PLATE
.
21. Reinstall and tighten the four
NUTS
on the
STUD SCREWS
to secure the
BEARING
HOUSING
.
22. Reinstall the shaker platform. Reinstall the four
HEX SCREWS
in the center of the
platform, tightening them with the
HEX KEY
.
ECCENTRIC DRIVE
SHAFT
LOWER BEARING
HOUSING
PULLEY WITH
COUNTERWEIGHT
UPPER BALL
BEARINGS
UPPER
BEARING
HOUSING
BALL
BEARINGS
C-24KC Benchtop Incubator Shaker
•
M1281-0050
User’s Guide
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