Step 3: Assembling The Right Side Frame
1: Lay the left side corner posts on the ground in their proper orientation.
2: Lay the 2 x 6 x 47-1/2” bottom panel board on top of the left side corner posts at the
bottom of the corner posts. The offset holes in the sandbox board must face downward.
3: Use 5/16 x 4-1/2” hex bolts and 5/16” washers to attach the top holes of the sandbox
board to the t-nuts installed on the corner posts. The bottom holes will be used later.
4:Lay the 2 x 6 x 47-1/2” bottom panel board on top of the left side corner posts in
the middle of the corner posts. The offset holes in the bottom panel board must face
downward.
5: Use 5/16 x 4-1/2” hex bolts and 5/16” washers to attach the bottom holes of the
bottom panel board to the t-nuts installed on the corner posts. The top holes will be
used later.
6: Lay the 4 x 4 x 47-1/2” swing beam support on top of the left side corner posts. The
three countersunk holes in the middle of the swing beam support must face downward.
7:Find two torque washer place a 6-1/2” carriage bolt inside the torque washer, making
sure that the teeth are facing in the same direction as the threads of the carriage bolt.
Place the torque washer/ carriage bolt assembly into the holes of the corner post so
that the head of the carriage bolt faces what will be the inside of the fort. Use a hammer
to set the torque washer into the corner post.
8: Attach the
swing beam
support as
shown in detail
a.
6-1/2” Carriage Bolt
4 x 4 x 47-1/2”
Swing Beam Support
Torque Washer
Bolt Cap
3/8” Nut
3/8” Washer
5/16 x 4-1/2”
Hex Bolt
5/16” Washer
5/16” Washer
The three counter
sunk hole on the swing
beam support will face
down when properly
installed
2 x 6 x 47-1/2”
Bottom Panel Board
(Offset holes down)
2 x 6 x 47-1/2”
Sandbox Board
(Offset holes down)
Page 35
®