17
Ceiling
Annex
7. Reinstall Drum into Support Collar:
• Place the drum back into the support collar.
cramping screws according to the following pattern:
•
1
x 3
•
2
x 2
•
3
x 3
Note:
1. Assemble Support Collar:
• Position the support collar between the mounting bars.
• Securely fasten the bolts using the provided nuts and lock
washers.
2. Mount the Assembly:
• Attach this assembled unit to the ceiling or roof at the
designated location.
3. Insert Drum:
• From below, place the drum inside the support collar.
• Ensure the drum is securely inserted and positioned.
4. Adjust Drum Length:
• Modify the drum to the desired length.
• Ensure that the larger portion of the drum is positioned a
5. Mark and Prepare for Cutting:
• If the drum requires cutting, mark it above the support collar
using a pencil and the support collar as a guide.
• Remove the drum from the support collar and apply tape
around the pencil marks, using it as a cutting guide.
6. Cut Drum with Angle Grinder:
• Use an angle grinder to cut the drum along the marked tape.
3’’ minimum
(76 mm minimum)
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