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C R O S S C O U N T R Y S E R I E S C U R V E D L E A N T O M O D E L • G R E E N H O U S E I N S T R U C T I O N S
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Appendix A – Truss
1.
TRUSS ASSEMBLY
(This section is to be used only for greenhouses that are over 14' long.)
Trusses are usually installed after the sides, base, front, back and
ridge are bolted together. Make sure that the greenhouse is
temporarily braced (see 4A on Aluminum Frame Assembly).
A. Lay the truss piece in the shape of an end wall.
B. Slide the center pieces into the top of the truss and bolt them
1
2
together.
,
piece – see next page).
C. Slide the truss feet into the bottom of the truss and bolt them
4
together.
and
D. Bolt on the cross brace (if required)
2.
TRUSS ASSEMBLY & INSTALLATION (IF REQUIRED)
The next step takes two people, one on each side. Carry the
truss to the center of the greenhouse and put the feet on your
foundation between the side base/sill
towards the ridge and bolt it on
of the center. There are three notches in the ridge because if the
glassbars have already been installed with the truss bracket facing
one way, you can bolt the truss to either notch without having to
turn the truss bracket around. Sometimes the installers put in all
the glassbars first and slide the truss bracket in beforehand.
Remove the truss bracket from the truss. (It may also be in a plastic
bag.) Unbolt the bar from the base. Slide the truss bracket into the
bottom of the glassbar (long bar)
where there is a 9/64" hole drilled into the truss. Fasten it with a
screw. If the hole does not line up, you may have to drill a new
hole in the truss bracket
been bolted together. To fasten the truss to the foundation, use
1/4" x 2" leg bolts.
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– 29 –
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and
(lean to models do not have a center
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.
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.
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. Lift the top of the truss
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. Use the notch on either side
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&
and slide it to the place
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. Do this after all the glass bars have
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ACF Greenhouses
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