
Attaching the A-Frame to the Center Collar
The upper portion of the A-frame assembly must be installed to the center collar, so that it supports the
center collar and the main roof structure.
Before You Begin
Make sure the center collar is assembled and secured to the center support pole. See
for details. Determine the correct location of each A-frame. For more information,
see
About Temperature Cable Brackets and A-Frame Assemblies, page 139
. Read and understand the
safe and proper lifting procedures needed to install the A-frames. For more information, see
for Assembling and Lifting the A-Frame Rafter Sections, page 163
1. Carefully lift the A-frame assembly (133) into position and align with the proper holes on the center
collar (45).
2. Install 1/2" x 1-3/4" flange bolts (5) and 1/2" flange nuts (17) to secure the A-frame assembly (133)
to the center collar (45).
3. Before continuing with the remaining A-frame assemblies, secure the A-frame assembly (133) to the
eave bracket. See
Attaching the A-Frame to the Eave Bracket, page 166
.
4. Tighten all the hardware to the recommended torque specifications. See
.
Figure 8-25
Attaching the A-frame to the center collar
5
1/2" x 1-3/4" flange bolt (S-10252)
45
Outer center collar (CTR-2224-BS)
17
1/2" flange nut (S-10253)
133
A-frame assembly
PNEG-5490D-2X
90' Diameter EVO-50 Beam 2X Bin
165
Содержание EVO-50
Страница 6: ...NOTES 6 PNEG 5490D 2X 90 Diameter EVO 50 Beam 2X Bin ...
Страница 34: ...NOTES 34 PNEG 5490D 2X 90 Diameter EVO 50 Beam 2X Bin ...
Страница 130: ...NOTES 130 PNEG 5490D 2X 90 Diameter EVO 50 Beam 2X Bin ...
Страница 188: ...NOTES 188 PNEG 5490D 2X 90 Diameter EVO 50 Beam 2X Bin ...
Страница 220: ...NOTES 220 PNEG 5490D 2X 90 Diameter EVO 50 Beam 2X Bin ...