STEP 4: ASSEMBLING THE MIDDLE FRAME
1: LAY THE CORNER POSTS ON THE GROUND IN THEIR PROPER ORIENTATION (USE DIAGRAM BELOW TO
CORRECTLY IDENTIFY AND ORIENT THE NECESSARY DIRECTION THE POSTS SHOULD FACE).
2: LAY THE 2 X 6 X 47-1/2" SANDBOX BOARD ON TOP OF THE CORNER POSTS, THE HOLES IN THE SANDBOX BOARD
ARE OFFSET DOWN, AND SHOULD BE ALIGNED WITH THE CORNER POSTS BOTTOM MOST HOLES.
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 SANDBOX BOARD BOTTOM HOLES WILL BE USED LATER.
4: LAY THE 2 X 6 X 47-1/2" ENTRANCE BOARD ON TOP OF THE CORNER POSTS (USE DIAGRAM BELLOW TO
CORRECTLY MOUNT THE ENTRANCE BOARD) THE HOLES IN THE ENTRANCE BOARD ARE OFFSET DOWN. ALIGN THE
TOP HOLES WITH THE CORNER POSTS CENTER HOLES AND USE 5/16" X 4-1/2" HEX BOLTS AND 5/16" WASHERS TO
ATTACH TO THE T-NUTS INSTALLED IN THE CORNER POSTS.
5: LAY THE 2 X 4 X 47-1/2" MIDDLE PANEL BOARD ON TOP OF THE CORNER POSTS, THE HOLES IN THE TOP PANEL
BOARD ARE OFFSET DOWN, AND SHOULD BE ALIGNED WITH THE HOLES OF THE CORNER POSTS LOCATED ABOVE
THE ENTRANCE BOARD AS SHOWN BELOW. USE 5/16" X 4-1/2" HEX BOLTS AND 5/16" WASHERS TO ATTACH THE
MIDDLE PANEL BOARD TO THE T-NUTS INSTALLED IN THE CORNER POSTS.
6: USE A CARPENTERS SQUARE TO SQUARE THE BOARDS TO THE POSTS.
7: ONCE THE FRAME IS SQUARE USE THE 5/16" X 3-1/2" LAG SCREWS AND 5/16" WASHERS TO KEEP THE FRAME
FROM MOVING OUT OF SQUARE.
5/16" X 3-1/2"
LAG SCREW
2 X 6 X 47-1/2"
5/16" WASHER
HEX BOLT
5/16" X 4-1/2"
5/16" X 4-1/2"
5/16" WASHER
5/16" X 4-1/2"
HEX BOLT
5/16" X 3-1/2"
5/16" WASHER
MIDDLE PANEL BOARD
2 X 4 X 47-1/2"
TOP PANEL BOARD
5/16" WASHER
SANDBOX BOARD
2 X 4 X 47-1/2"
HEX BOLT
2 X 6 X 47-1/2"
4 X 4 X 120"
CORNER POST
MIDDLE FRONT
5/16" WASHER
ENTRANCE BOARD
LAG SCREW
4 X 4 X 120"
MIDDLE REAR
CORNER POST
NOTE EXTRA HOLES HERE THAT
MIDDLE REAR POST DOES NOT HAVE.
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