FLEXICON
®
Bulk Bag Discharge Frame Installation and Operation Manual - 7 -
FLEXICON CORPORATION 2400 Emrick Boulevard Bethlehem, PA 18020-8006 USA
Tel: 1-888-FLEXICON Tel: 1-610-814-2400 Fax: 1-610-814-0600 www.flexicon.com
3.11 Install one safety frame cross brace between the (2) "B” cross braces by first orienting the
cross braces so that the (2) ¾” I.D. bushings, supplied in each safety frame cross brace,
are facing inward (see figure 5). Bolt in place with (4) ½-13 x 3½“ long bolts, (8) ½" flat
washers, (4) split lock washers and (4) ½- 13 hex nuts (see figure 6). Do not tighten the
hardware.
3.12 Before installing the remaining safety frame cross brace, the (2) "E" cross braces must be
inserted into the ¾" I.D. bushings in the opposing faces of the two safety frame cross
braces. Complete the assembly by bolting the remaining safety frame in place with
identical hardware as specified in step 3.11. Torque all hardware to 40 ft/lbs.
3.13 This completes the assembly of the base frame.
3.14 Anchor the base frame to the foundation using the appropriate grade 5 (or better)
hardware, type to be determined by customer. (16) bolts/anchors are required.
3.15 If you have purchased a BFC frame proceed to section 4 for “BFC upper frame
assembly procedure", otherwise continue with step 3.16.
3.16 If your base frame was factory assembled, the static or "pop-top” extension arms will have
been factory installed and may only need final adjustment described in step 3.18,
otherwise proceed with step 3.17.
3.17 Install the (4) extension arms to the base frame. Orient each arm as shown in figure 7.
Slide into the top of each respective leg to the lowest height setting and secure with (4) ¾"
diameter x 3 ½” long clevis pins/safety clips.
3.18 It may be necessary to adjust the height of the extension arms to accommodate the size of
the bag you are using in your application. The height is set properly when the bottom of
the full bulk bag is 1 to 2 inches above the center of the safety frame, with or
without Flow Flexers™. It may be necessary to position the bag above or below the
preferred 1 to 2 inch distance based on your hopper/bag downspout configuration. The
holes in the legs provide a range of adjustment in 2" increments.
4. BFC UPPER FRAME ASSEMBLY PROCEDURE
4.1 Throughout this entire procedure, whenever a connection is made with either ½ -13 or
¾-10 hardware, do not tighten to final torque spec. Unless otherwise specified, thread nut
on to the point where it engages the split lock washer then, using a wrench, tighten the nut
½ turn! This allows for final alignment before tightening to final torque.
4.2 Begin by installing the (4) extension arms (see figure 8). There are (2) identical front
extension arms, (1) left hand back extension and (1) right hand back extension arm. The
front extension arms are longer than the rear arms and have only two tabs at the top. The
right hand back arm has two tabs 90 degrees opposed to each other at the bottom of the
arm. The left hand back arm has three tabs, one located at the bottom and the other two
located at the top 90 degrees opposed to each other.
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