4
3.
Insert the two vertical short frames (C) into the elbow joint (A) as shown in the diagram below.
4.
Next, fasten the four angles with the M5x6 Screws (H).
B
(A)
(A)
(A)
(A)
E
C
C
E
A
A
C
C
(A)
(A)
E
E
(A)
(A)
C
C
B
A
A
C
C
Make sure all four corners are
properly in place to form a
perfect square.
M5x6 Screws
(H)
H
H
A
A
A
A
