Service And Repair; Procedure For Internal Bearing Replacement - Trane CDQ Installation & Maintenance Manual

WARNING
Hazardous Voltage!
Disconnect all electric power,
including remote disconnects before
servicing. Follow proper lockout/
tagout procedures to ensure the
power can not be inadvertently
energized. Failure to disconnect
power before servicing could result
in death or serious injury.
CAUTION
Sharp edges!
Protect hands and belt from sharp
edges around hole in bearing
support beam. Always wear proper
personal protection equipment
(PPE). Failure to do so may result in
minor or moderate injury.
Procedure for
Internal Bearing
Replacement
Prepare wheel for removal of old
bearing and installation of new
bearing.
1 Remove belt from motor and
wheel.
2 Support wheel with wooden
blocks on both sides of the
wheel (see Figure 3).
Figure 3. Wooden blocks support
wheel.
CDQ-SVX01A-EN
Service
and Repair
3 Make sure the wheel is secure.
The short posts are removed
first (see Figure 4).
Figure 4. Remove short posts first.
4 IMPORTANT: To prevent wheel
from flipping out, cut two 1-inch
x 4-inch boards for placement
across the face and behind the
lip and corner braces on the
cassette (see Figure 5).
Figure 5. Prevent wheel from flipping
out with boards.
5 Remove the post mounting
screws or bolts at both ends of
the long post (see Figure 6).
Figure 6. Remove post mounting
screws.
6 Remove the shaft bolt (see
Figure 7).
Figure 7. Remove shaft bolt.
7 Remove the post (see Figure 8).
Figure 8. Remove post.
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