8
I
1
4
8
Z
1
4
21.1
8
8
I
2
1
21.2
I
1
I
2
Z
1
T
Step 21
21.1 Attach Z1 to I1 and T with
21.2 Attach Z1 to I2 with
1
Z
1
For your safety, the ladder Z1
must be assembled in the
direction indicated, upside
down is prohibited.
8
,
.
,
.
1
4
X 4
X 6
X 2