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Step 12: Lower Fort Frame Assembly
A: On the back side of the assembly, attach (1873) Back Floor to both (1500) Posts using 2 (H5) 1/4 x 4-1/2"
Hex Bolts (with lock washer, flat washer and t-nut). (fig. 12.1 and 12.2) Notice the middle bolt holes are towards
the bottom of the board.
B: On the front side of the assembly, attach (0799) Floor Back to both (1500) Posts using 2 (H5) 1/4 x 4-1/2" Hex
Bolts (with lock washer, flat washer and t-nut). (fig. 12.1) The middle bolt hole should be towards the bottom.
Note: Pre-drill all holes using a 1/8" drill bit before installing the lag screws.
C: Square and then attach (0351) Front Back to the bottom of (1500) Posts, on both the front and back sides,
with 2 (LS3) 1/4 x 3" Lag Screws (with flat washer) in the top (pre-drilled) holes and 2 (S7) #12 x 2" Pan Screws
(with 3/16" flat washers) in the bottom holes, per board, as shown in fig. 12.1 and 12.2.
1/4" flat
washer
Fig. 12.2
1/4" lock
washer
H5
LS3
S7
Wood Parts
1 x
Floor Back 5/4 x 4 x 46-3/4"
0799
1 x
Back Floor 5/4 x 4 x 46-3/4"
1873
2 x
Front Back 1 x 5 x 46-5/8"
0351
1500
1/4" t-nut
1/4" flat
washer
3/16" flat
washer
Back
Fig. 12.1
H5
1873
S7
LS3
Hardware
4 x
1/4 x 4-1/2" Hex Bolt (1/4" lock washer, 1/4" flat washer, 1/4" t-nut)
H5
4 x
#12 x 2 Pan Screw (3/16" flat washer)
S7
4 x
1/4 x 3" Lag Screw (1/4" flat washer)
LS3
34
1500
1500
H5
S7
0351
with 3/16"
S7
flat washer
Front
Notice hole location
on both boards
0799
H5
LS3
S7
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