11
Purlin and Steel Wire Installation
4. Lift the assembled arches onto base plates (No.8 and No.9) and connect them by bolt M8x60
(No.11).
5. When finish installing the first and second arches, install purlin (No.5) and connect them by bolt
M10x70 (No.12). Then the third arch and purlins. In this turn, one arch and then purlin tubes until
the sixth arch.
6. Install steel wires (No.21 & No.21A) between arches by steel wire turnbuckle (No.19), steel wire
clamp (No.20), connection plate (No.6) and tube clip (No.10).
7. Wrap every truss joint by duct tape (No.17) to protect roof cover.
