STEP 3
Install
Upper Upright Frame (1) to Lower Upright Frame (2) using Flat Washer Φ11*Φ20*2 (11),
Spring Washer Φ10 (12), Hex Bolt M10*20 (18) as show.
STEP 4
Install
Medicine Ball Frame (4) and Name Plate (7) to Step 3 using Flat Washer Φ11*Φ20*2 (11),
Nut M10 (15) and Hex Bolt M10*70 19) ;And Flat Washer Φ9*Φ16*1.6(13), Spring Washer Φ8
(14) and Hex Bolt M8*15 (17) as show.