Installation Guide

Strongback
Cross-Bar
Mounting
Angle
CORRECT WRONG
6 of 13
Figure 3-1: Cross-Bar Positioning on Strongback relative to Tab Widths
N
E
W
S
Strongback
Cross-Bars
Center
Cross-Bar
has 3 ½”
long Tabs
South
Cross-Bar
has 2”
long Tabs
North
Cross-Bar
has 2”
long Tabs
Figure 3-2: Cross-Bar Positioning relative to Mounting Angles
Installing the Cross-Bars.
A. Starting at the N-S center position of the Strongback, install the Cross-Bar
with the 3-1/2” long mounting tabs.
B. Position the Cross-Bar on the outside of the center mounting angle of the
Strongback. Align the mounting holes and secure using 3/8” flat and square
washers along with the 3/8” x 3-1/4” bolts and lock washer placing the
square flat washer against the Cross-Bar. Tighten hardware and
(See Figure 3-3)
C. Continue using these steps to install the north and south most Cross-Bars to
the Strongback. Refer to Figure 3-2 as needed for proper positioning.
Torque to
30-32 ft.-lbs.
Assembly Instructions, Top-of-Pole Mount for 12 Modules (TPM12) For Module Types A, B & C (Version 2, Rev D)