26
Tube Assembly
You may extend the length of the fan by using an extension assembly. There should be no more than 2
extensions used per fan. The following sizes are available:
When mounting the pivot extension assembly to an extension mount, alternate the extension plates when
assembling.
1. Install 1/2”-13 x 1.5” bolts with 1/2” washers through the extension plates.
2. Secure with 1/2”-13 nylock nut and 1/2” washers.
3. Torque hardware to 75 ft-lbs/101 Nm.
4. Secure together with a guy wire. Refer to “Guy Wire” on page 30.
Figure 23 - Extensions Assembly Details
Attention!
Every connection between components (mounts, extensions, fan frame) must include a Guy Wire
(safety cable), as shown throughout this manual, with loops at both ends.
Table 2 - Tube Assembly Sizes
Description Part Number
1’ Square Tube Pivot Extension HVLS1FTPVT
2’ Square Tube Pivot Extension HVLS2FTPVT
4’ Square Tube Pivot Extension HVLS4FTPVT
2’ Square Tube Extension HVLS2FTEX
4’ Square Tube Extension HVLS4FTEX
6’ Square Tube Extension HVLS6FTEX
8’ Square Tube Extension HVLS8FTEX
1/2”-13x1.5” Bolt
and 1/2” Washer
1/2”-13 Nylock Nut
and 1/2” Washer
Guy Wire
Extension
Mount Plate(s)
Hardware Torque
1/2” Hardware
75 Ft-lbs/101 Nm
NOTE: All hardware must
be minimum Grade 8.
Guy Wire
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