OPTi 621/7859 Assembly & User Instructions page 10

Assembly instructions
Step 4
A. Attach two Butterfly Frames(#43) to the two Barbell Upright Supports(#2), Align the hole and secure
each of them with one M10×120MM Hex Bolt(#44), two Φ10mm Washers(#25) one Big Bushing(#45)
and one M10 Knob (# 46).
B. Slide two Butterfly Foam Roll Tubes(#47) into the side hole on the top of two Butterfly Frames(#43),
Align the hole and secure each of them with one M8×45MM Carriage Bolt(#14), oneΦ8MM
Washer(#23) and one M8 Aircraft Nut(#26).
C. Attach two Foam Rolls (#40) onto the two Butterfly Foam Roll Tubes (#47).
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D. Attach the two Nut Covers (#22) to the hex head of the two M10×120MM Hex Bolts (#44).
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