23
FORT
UPPER RAILS
Flat Washer
Lock Washer
3-3/4" Hex Bolt
x4
T-Nut x4
3-1/2”
FORT
ROOF FRAME
CENTER
3-1/2” Lag bolts (x4)
x2
x4
5/4 x 4 x 75-1/8”
2381-MS
Mark centers
Flush
Flush
Make sure 71-3/4” dimension is the bottom of 2381-MS.
71-3/4”
37-9/16"
37-9/16"
DO NOT OVER-TIGHTEN
LAG BOLTS
IMPORTANT!
1-15/16"
IMPORTANT! : PRE-DRILL UPRIGHT 1/4” x 2” DEEP.