Allen-Bradley SMC-50, User Manual

Page: 263 / 292

Rockwell Automation Publication 1560F-UM001A-EN-P - June 2019 263
ArcShield Plenum Installation Instructions Appendix E
STEP 4 – Closing the Front
of the Plenum Sections
After the first stage of the Plenum assemblies have been mounted, the Plenums
can then be “closed-up” by replacing the front duct sections as shown in Figure 91
to Figure 93 .
STEP 5 – Extension and
Elbow Assembly
The 36" Extension components and 90° Elbow Section are to be attached using
5/16-inch hardware in the following sequence:
Step 5A – See Figure 94
Step 5B – See Figure 95
Step 5C – See Figure 96
Figure 91 - Top Plate Figure 92 - Bottom Plate Figure 93 - Front Closing Plate
Top Plate
Bottom Plate
Front Closing
Plate
IMPORTANT Do not re-install the front duct section of the last Plenum on the exhaust side
of the Line-up at this time (refer to
STEP 6 – Mounting Extension/Elbow to
Plenum “Line-up” on page 264 for more information).
TIP Use silicone caulking generously to fill any air gaps once the Plenum has been
securely mounted in place.
TIP The Screen Cover Plate is attached in Figure 95 .