KidKraft KINGSBRIDGE Installation And Operating Instructions Manual page 37

Step 7: Tunnel Floor Assembly
Part 1
A: Tap in 2 (TN2) 5/16" T-nuts in each (9088) Tunnel Side Joist. (fig. 7.1)
B: With the (TN2) 5/16" T-nuts at the bottom measure 1" in from both ends of each (9088) Tunnel Side Joist then
attach 1 (9086) Tunnel Top to each end with 4 (S4) #8 x 3" Wood Screws per board. Tops of boards to be flush.
(fig. 7.1)
C: The distance diagonally from end of each (9088) Tunnel Side Joist must be 39-13/16" . Tunnel Floor Frame
must be square. (fig. 7.2)
Fig. 7.1
Fig. 7.2
Top View
Wood Parts
2 x Tunnel Side Joist 1-1/4 x 3 x 36"
9088
2 x Tunnel Top 1-1/4 x 3 x 14-7/16"
9086
S4
x 4
9088
1"
9086
1010.5
39 25/32"
1010.5
TN2
39 25/32"
9086
x 4
39-13/16"
Hardware
4 x 5/16" T-nut
TN2
8 x #8 x 3" Wood Screw
S4
37
Flush
9088
S4
x 4