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Step 19: Rock Wall Assembly
Fig. 19.1
2779
S20
x 4 per
board
Complete Step 19, A-E twice to make 2 Rock Wall Assemblies.
A: Lay 2 (2776) Rock Rails down, side by side with angled edges
facing down. (fig. 19.1)
B: Place (2779) Access Board on the bottom of each (2776) Rock Rail
as shown in fig. 19.1. Make sure (2779) Access Board is flush to the
outside and bottom edges of each (2776) . Attach using 4 (S20) #8 x
1-3/8" Wood Screws .
C: 7-5/8" down from the top of both (2776) Rock Rails place 1 (2781)
Rk Board B, making sure the sides are flush to the outside edges of
each (2776) Rock Rail . Attach using 4 (S20) #8 x 1-3/8" Wood Screws .
(fig. 19.1)
D: In between the (2779) Access Board and (2781) Rk Board B stagger
2 (2781) Rk Board Bs and 2 (2780) Rk Board As using 4 (S20) #8 x
1-3/8" Wood Screws per board. Placing them as shown in fig. 19.1, this
will prevent rocks from forming a straight line . Make sure the boards
are evenly spaced and do not exceed 2-3/8" between boards .
FW0
BN1
Wood Parts
2 x
Access Board 1 x 6 x 19"
2779
6 x
Rk Board B 1 x 6 x 19"
2781
4 x
Rk Board A 1 x 6 x 19"
2780
4 x
Rock Rail 1-1/4 x 2-1/2 x 51"
2776
2780
2781
Note: Gaps between boards
2-1/4", not to exceed 2-3/8"
LW1
PB2
S10
Rock
48 x
10 x
10 x
2780
2781
Fig. 19.3
E: Place 1 rock on each (2780) Rk Board A
and (2781) Rk Board B (fig. 19.2) and attach
using 1 (PB2) 1/4 x 1-1/4" Pan Bolt (with lock
washer, flat washer and barrel nut) and 1
(S10) #8 x 1" Pan Screw per rock . The Screw
must be in the hole directly under the Pan
Bolt, it will stop the rock from spinning. (fig.
19 .3)
Hardware
#8 x 1-3/8" Wood Screw
S20
#8 x 1" Pan Screw
S10
1/4 x 1-1/4" Pan Bolt
PB2
(1/4" lock washer, 3/16" flat washer & 1/4" barrel nut)
59
Note: The holes
in the rock boards
2776
must orient to the
2781
top of the boards.
7-5/8" Approx
Fig. 19.2
Other Parts
10 x Rocks (6 green/4 yellow)
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