Routine Maintenance
CLCH-SVX07K-EN 153
13. Pillow block bearing units require shims to adjust the
bearing up or down. See Figure 189. Retighten bearing
mounting bolts once alignment is correct.
14. Install bearing cover plates. Remove blocks supporting
wheel. Install belts.
CDQ Drive Belt Adjustment/Replacement
The CDQ wheel uses a link belt that has no tension devices
that need adjustment. Tension the belt by adjusting the
number to links in the belt. If the belt becomes too loose it
can be tighten by removing a link from the belt.
CDQ Belt Tension
1. Disconnect all power to the desiccant wheel.
2. Slip belt off of drive pulley.
3. Hold the belt with tabs facing outward as shown in
Figure 190, twist tab and push through one link.
4. Twist the next tab and push through the two links as
shown in Figure 191.
5. Remove one link.
6. Reconnect the belt as shown in Figure 192.
a. Push tab through
b. Align belt
c. Flex second tab through
Figure 188. Typical flange bearing, shaft and hub
assembly
Figure 189. Typical pillow block bearing, shaft and hub
assembly
WARNING
Hazardous Voltage!
Failure to disconnect power before servicing could
result in death or serious injury. Disconnect all electric
power, including remote disconnects before servicing.
Follow proper lockout/tagout procedures to ensure the
power can not be inadvertently energized.
Set screw requires
Loctite
Figure 190. Hold belt with tabs facing outward
Figure 191. Twist and push through links
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