77
3
3
• Position the seat back tube above the base assembly. The seat back tube
should bend backward.
• Fit the seat back tube completely onto the base tubes.
• Insert a screw through the hole in the
outside
of the seat back tube.
• Attach a lock nut to the end of the screw on the
inside
of the seat
back tube.
• While holding the lock nut in place with an adjustable wrench, tighten
the screw with a Phillips screwdriver. Do not over-tighten.
• Repeat this procedure to secure the other side of the seat back tube
to the base assembly using the remaining screw and lock nut.
A
A S
S S
S E
E M
M B
B L
L Y
Y
Base
Tube
Base
Tube
Seat Back
Tube