3B. Attach Upper Mount To Angle Irons - Bigass 4900 Manuel D'installation

3b. Attach Upper Mount to Angle Irons

Secure the upper mount directly to the angle irons with the Upper Mount Hardware as shown. The angle irons
should be aligned with the outermost holes of the upper mount. Consult the diagrams below for distances between
the angle irons. Do not use beam clips on angle irons!
Tighten the bolts to 40 ft·lb (54.2 N·m) using a torque wrench and 3/4" socket. After attaching the upper mount to
the angle irons, tighten all the bolts securing the angle irons to the roof structure to 40 ft·lb (54.2 N·m).
Proceed to step 4.
Upper Mount Hardware:
a. (4) 1/2-13 x 2" GR 8 Bolt
b. (8) 1/2'' Flat Washer
c. (4) 1/2-13 Nylock Nut
The angle irons should be aligned with the outermost holes on the upper mount. Do not use beam clips on
angle irons!
16
Note: Dashed lines represent angle irons.
WWW.BIGASSSOLUTIONS.COM © 2015 DELTA T CORP.
10-7/8"
(27.6 cm)
Upper Mount
13-3/4'' (34.9 cm) x
9-5/8" (24.4 cm)
Side View
a
b
b
c
ALL RIGHTS RESERVED.