11
B
ACK
R
AIL
A
SSEMBLY
CONTINUED
11. Locate the three Horizontal Tubes.
Remove and discard the protective rubber
caps from the threaded studs.
12. Insert the threaded studs of the Horizontal Tubes
through the pre-drilled holes in the front side of
the Upright Tubes.
Secure them with six 3/8” Jam Lock Nuts and
tighten securely.
A
SSEMBLY
CONTINUED
Jam
Lock
Nuts
Horizontal
Tubes
Completed Back Rail
and Chassis
Assembly
The Back Rail Assembly must
remain attached at all times.
Removal can cause riser
instability and could result in
injury.
!
WARNING