EFCO 403X Series - Manual (Page 12)

Series 403X Storefront Installation Instructions
EFCO 2013 Page 12
Section 3B. Shear Block Fabrication (cont.)
Fig. #7
Fig. #8
Shear Block Horizontals
 21S5 Shown, also for open
back and tubular intermediate
horizontals.
 Use Drill Fixture #DJ49
placed at each end of
horizontal as shown.
 Use a .230” dia. No. 1 drill bit
for each hole.
DJ49
21S5 F724
DJ49
21S2 Shear Block
Horizontals
 Use Drill Fixture
#DJ47 placed at
each end of
horizontal as
shown.
 Drill one side as in
Fig. 8a then flip
drill fixture to
opposite side as in
Fig. 8b.
 Use a .230” dia.
No. 1 drill bit for
each hole.
(a) (b)
DJ47
DJ47
21S5
F722
F722
F722
F722
Fig. #9
Vertical Dead Load Shear Pins
 Use Drill Fixture #DJ48 placed on vertical as shown below.
 Left Hands Shown, Right Hands Opposite
 Use a .189” dia. No. 12 drill bit at darkened hole only.
DJ48
DJ48
DJ48