Installation Guide

B. Remove the Pivot Bolt from the Mounting Sleeve and also collect the 3/8”
or 1/2” x 1-3/4” bolt, flat washers and lock washer needed to secure the
Support Bar to its Pivot Tab on the Mounting Sleeve. (See Figure 2-2)
C. Orient the Strongback to the Mounting Sleeve with its Lower Support Bar
positioned on the same side of the Mounting Sleeve as the Support Bar
Pivot Tab.
D. Slide the Strongback between the two vertical mounting tabs, aligning the
thru-hole of the Strongback with the holes of the two Vertical Towers.
E. Insert the Pivot Bolt along with one flat washer through the one Vertical
Tower and the Strongback exiting the second Vertical Tower on the opposite
side. Secure with the remaining flat washer, lock washer and hex nut. For
now, finger tighten only to allow movement for the next step.
F. Pivot the Strongback and the Support Bar to align the mounting holes of the
Support Bar with its Pivot Tab on the Mounting Sleeve. Slide the Support
Bar over the Pivot Tab. Insert the 3/8” or 1/2” x 1-3/4” bolt and one flat
washer thru the Support Bar and Mounting Tab and secure it with the
remaining flat washer, lock washer and hex nut. Torque hardware on both
ends of Support Bar at 32-34 ft.-lbs. for 3/8” hardware or 72-80 ft.-lbs.
for 1/2” hardware.
Torque to 125-150+ ft.-lbs. for 3/4” hardware or 330-350 ft.-
lbs. for 1” hardware.
(See Figure 2-3)
G. Return and tighten the Pivot Bolt. The Pivot Bolt cannot be left loose - the
Mounting Sleeve Vertical Towers must be firmly clamped to the sides of the
Strongback eliminating any gaps between the Vertical Towers and the
Strongback.
(See Figure 2-4)
Figure 2-2: Installing the Strongback
4 of 9
CAUTION:
This is a two
person activity.
The Strongback
must be held in
place by one
person while the
second person
aligns it and
secures it to the
Mounting Sleeve
using the Pivot
Bolt and the 1”
hardware. Failure
to do so could
lead to serious
personal injury.
Strongback
3/4” or 1”
Bolt
x 5-1/2”
Pivot
Flat Washer
Vertical Towers
Flat
Washer
Lock Washer
3/4” or 1” Hex Nut
Mounting
Sleeve
Assembly Instructions, Top-of-Pole Mount for 9 Modules (TPM9) For Module Types C, D, E, F, G & H, (Version 2, Rev E)