Installation Guide

B. Rotate the Mounting Sleeve so that the Support Bar Pivot Tab is pointing
north and the Strongback Vertical Towers are leaning south.
C. Secure the Mounting Sleeve by tightening the three 3/8” Set Bolts.
/8”
For safety and ease of assembly, position the Strongback at 0-degrees or level to the
ground. Follow these steps to level and secure the Strongback. This is a two person
activity, with one person supporting the Strongback while the second adjusts and
secures the Strongback with the Support Bar.
E. First, loosen the four 3/8” Flange Nuts securing the Support Bar Mounting
Tab to the Strongback. (See Figure 4-2)
Torque
each Set Bolt to 32-34 ft.-lbs.
Step 4: Installing the Strongback on the Mounting Sleeve
The Strongback is attached to the Mounting Sleeve using the Pivot Bolt that passes
through its two Vertical Towers and the Support Bar. The Suppoprt Bar is attached
to the Mounting Tab on one end and the Support Bar Pivot Tab of the Mounting
Sleeve on the other end using 3/8” hardware.
A. Remove the Pivot Bolt from the Mounting Sleeve and also collect the 3
x 1-1/4” bolt, flat washers and lock washer needed to secure the Support Bar
to its Pivot Tab on the Mounting Sleeve.
B. Orient the Strongback to the Mounting Sleeve with its Support Bar positioned on
the same side of the Mounting Sleeve as the Support Bar Pivot Tab.
C. Place the Strongback between the two vertical mounting tabs, aligning the
thru-hole of the Strongback with the holes of the two Vertical Towers.
D. 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.
6 of 11
Figure 4-1: Installing the Strongback
NOTE:
Although this
system offers
variable elevation
set points, for ease
of assembly, set
the angle to 0-
degrees. Optimum
tilt setting of the
rack will take place
later in these
instructions.
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 Support
Bar. Failure to do
so could lead to
serious personal
injury.
Strongback
3/4
Bolt
x 4-1/2”
Pivot
Flat Washer
Vertical Towers
Lock Washer
3/4” Hex Nut
Mounting
Sleeve
Flat
Washer
Assembly Instructions, Top-of-Pole Mount for 6 Modules (TPM6) For Module Type A, B, & C (Version 2, Rev D)