Penguin W1608-GP-12 Manuel D'instructions page 52

Step 13
Z-3
Z-3
U-3
O-3
N-3
Bb-3
Bb-3
U-3 U-3
U-3
13.Set (U-3) rafters over the middle of each panel with Bb-3 screws at the top and two
(Z-3) screws over the brackets on frame manually. Set (U-3) rafter on each joint and use (Z-3)
screws manually. Do not use power drill.
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