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Section 1 INSTALLATION
To ensure the BM&M Screen is installed properly the following steps must be
followed.
READ ALL INSTRUCTIONS BEFORE PROCEEDING
BM&M Screens are supplied with a tubular support stand. It is essential that the
supports be properly engineered. See the certified setting plan drawing for the
design criteria.
SUPPORT STAND ASSEMBLY (if the screen has been shipped “broken down”)
1. The stand consists of 2 cross members and 2 side frames. See the
exploded drawing on page 4.
2. Place the 2 lower cross members in position and place the screen body on
top of them.
3. Bring the side frames into position and bolt them to the cross members.
4. The stand must now be leveled and firmly bolted down.
5. Bolt all four hangers into position and secure their upper ends as shown
on the drawing on page 5.
6. Bolt on the hanger brackets if required.
7. Raise the screen into position and attach the lower ends of the hangers to
the hanger brackets on the screen body as shown on the drawing on
page 6. Ensure the safety bolts are secured.
8. All brackets and stand connection bolts must be tightened to the following
lubricated torques.
5/8” NC: 110 ft-lbs
3/4” NC: 200 ft-lbs
At this time torque the Top Yoke bolts on the hangers to 480 ft-lbs., lubricated.
Torque the Bottom Yoke bolts to 250 ft-lbs. After the equal hanger loading
procedure is completed (page 8) the Bottom Yoke bolts should be torqued to 480
ft-lbs., lubricated.
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