20
21
18/20
4 x 30 mm
H x 15
18
x3
16
17
H
H
H
H
H
H
H
3 x 12 mm
R x 12
I(DL) x 3
I(DR) x 3
DR
R
DL
DL
x3
R
R
R
R
DL
R
16
17
Attach No.18 to No.16,17,19 plate, fix using screw(H)
Fix runner (DL) and (DR) to No.16
and No.17 plate respectively with
screw(R) as shown.
I
I
