4
Step 3
Assembly of the support tube
1)
Insert the adjustable tube(4) into the stand tube(3), locked with quick pin(8).then
put the 60x50 mid-empty plug(11) onto the stand tube(3).
2)
Insert the support tube(5) into the stand tube(3), locked with safety pin(7).
4
5
7
8
10
10
11
3