SWING BEAM SUPPORT
5/16 X 4-1/2"
4 X 4 X 47-1/2"
(OFFSET DOWN)
2 X 6 X 47-1/2"
HEX BOLT
BOTTOM PANEL BOARD
DETAIL A
2 X 6 X 47-1/2"
5/16" WASHER
(OFFSET DOWN)
SANDBOX BOARD
THREE COUNTERSUNK
HOLES ON BOTTOM
FACE THE GROUND.
A
BOLT CAP
3/8" WASHER
TORQUE WASHER
3/8" NUT
3/8" X 6-1/2"
CARRIAGE
BOLT
OF
7: ATTACH THE SWING BEAM SUPPORT AS SHOWN
POST.
FORT
IN DETAIL A.
STEP 3: ASSEMBLING THE LEFT SIDE FRAME
1: LAY THE 2 X 6 X 47-1/2" SANDBOX BOARD ON TOP OF THE LEFT SIDE CORNER POSTS AT THE BOTTOM OF THE
CORNER POSTS. THE HOLES IN THE SANDBOX BOARD MUST BE OFFSET DOWN.
2: 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.
3: 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 BE OFFSET DOWN.
4: 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.
5: 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.
6: FIND TWO TORQUE WASHERS. PLACE A 3/8" X 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
FRONT
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