25
During assembly, align the bolts loosely first, and then tighten all the bolts firmly after all the bolts are aligned. The
diameter of the holes on the pipes is 2-3 mm larger than that of bolts, so the position of the fittings can be slightly
adjusted if necessary.
26
3
3
4
B
C
21
25
× 3
B
C
× 4
