EFCO 960 Series - Manual (Page 33)

PAGE 31
(CONT.)
For 4 1/16" & 4 13/16" back members -
.159 dia. (# 21 Drill) (3 places).
drill the marked "A" & "C" locations
intermediate shear block holes
1.750
F
C
E
For 1 9/16" back member -
For 2 9/16" back member -
.159 dia. (# 21 Drill) (3 places).
.159 dia. (# 21 Drill) (2 places).
drill the marked "A" locations
drill the marked "A" & "B" locations
intermediate shear block holes
intermediate shear block holes
Middle portion of the
drilling template.
FIG. # 15
See page 28 and 29.
F
E
B A
A
D
2.187
1.055 .937
TOP OF
INTERMEDIATE
BOTTOM OF
INTERMEDIATE
D
SECTION IV - SHEAR BLOCK FABRICATION
JDA 10/2000