ClearSpan 104450 사용 설명서 - 페이지 11

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Section E2 - Rafter Setup (without ground posts)

Step 1: Stand up one of your end rafters (one of those with the horizontal chord). Secure it to an

existing structure if possible so that it is plumb. If you donʼt have an existing structure, you can

use some 2x4s as shown tied with rope:

Step 2: Insert the plain end of a 99" swaged purlin into the cross coupling at the peak of the end

rafter and tighten the bolts. The end of the purlin should be flush with the outside surface of the

coupling or the rough end of the purlin could damage the cover when it is installed later. Have

an assistant hold the ridge purlin horizontal until the next step is completed.

Step 3: Stand up the next rafter (an inside rafter) and slide it onto the ridge purlin. Position it exactly

8 feet from the end rafter and tighten the coupling. Your structure should stand on its own now.

Step 4: Add swaged 99" purlins at the tops of the legs just below the bends.

Step 5: Continue to add rafters (at 8' spacing) and purlin sections until your shelter is complete and

you've finished with the other end rafter. The last purlin sections should be unswaged sections

that are the correct length so the purlin assemblies are the same length as your shelter.

Step 6: Recheck that every rafter is standing up straight (plumb) and there is 8' between them when

measured at the couplings.

Step 7: When all rafters are straight and plumb, tighten all the coupling bolts.

Step 8: If this is a permanent installation, we recommend that you install a Tek screw at each purlin

joint to secure the connection.

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