Backyard Discovery 1801080 Owner's Manual page 87

STEP 59
WASHER LOCK EXT 8x19 SD
LAG SCREW WH 5/16x3 SD
LEAVE LOOSE AT THIS POINT.
PLASTIC TUNNEL TO BE
(2)
3 11/16"
NOTE:
DRILL 3/16" (5 MM) HOLES WHERE INDICATED.
SCREW PFH 8x2 SD
(4 PLCS)
2 PLCS F4
(4 PLCS)
(4 PLCS)
INSTALLED LATER.
F4 - UPRIGHT - W4L09063
1 3/8"x2 3/8"x23 1/8" (36x60x586)
3 11/16"
6 7/8"
LAG SCREW
(4)
WH 5/16x3 SD
13 3/16"
SCREW PFH
(4)
(4)
LOCK EXT
8x2 SD
WASHER
8x19 SD