Step 3
3.1. Attach back rail D to arms E & F
by inserting the brackets on back rail
D on the bolts located on arms E & F,
as shown.
3.2. Push the back rail D with a downward
force to secure it into place.
E
D
3.3. Tighten the bolts with Allen key
.
1
F
E
1
D
1
X 1
8
