20
19
18
17
21
15
16
21
11
/
Step 1 :
Install 18 to the front tube with 17, 19 and 20.
/
Step 2 :
Install the front foot tube (16) onto the main frame (21),
then adjust it with knob (15).
/
Step 3 :
Install the back foot tube (11) onto the main frame
(21), then adjust it with knob (15).
