54
D:
Flush to the ends and sides of both (9088) Tunnel Side Joist place 1 (9087) Floor Board followed by 7 (9092)
Floor Boards. Make sure the last board is flush to the ends of each (9088) Tunnel Side Joist then attach all floor
boards with 4 (S20) #8 x 1-3/8” Wood Screws. (fig. 10.3)
E:
Measure 1-1/4” in from both ends of each (9088) Tunnel Side Joist then attach 1 Swing Bracket to each
end with 1 (WB2) 5/16 x 1-3/8” Wafer Bolt (with flat washer, connects to already installed t-nuts) per bracket.
Brackets must be flush to the bottom of the boards. (fig. 10.4)
Step 10: Tunnel Floor
Assembly Part 2
1 x
Floor Board 1 x 4 x 16-7/8”
7 x
Floor Board 1 x 5 x 16-7/8”
9087
Wood Parts
Hardware
9092
32 x
#8 x 1-3/8” Wood Screw
4 x
5/16 x 1-3/8” Wafer Bolt (5/16” flat washer)
x 4 per
board
S20
1-1/4”
1-1/4”
9088
9088
9088
9088
S20
Flush
Flush
Flush
9087
9092
WB2
FW2
WB2
Swing
Bracket
Flush
x 4
x 4
x 4
Other Parts
4 x Swing Bracket
Fig. 10.3
Fig. 10.4
