STEP 4 (See Diagram 4)
A.) Attach two Ø 1” x Ø ½” Bushings (#53) to the holes on Upper Frame (#4). Attach the Front Press Base (#6) to the two Bushings. Secure it with one M12 x 3 3/8” Hex Bolt (#61), two Ø 1” Washers (#71), and one M12 Aircraft Nut (#73). Do not over tighten the Nut and Bolt.
B.) Insert the axle on the Right Butterfly (#8) through the hole on the Front Press Base from the bottom. Slide a Lock Ring (#41) onto the axle. Align the holes and secure it with one M6 x 1 3/8” Allen Bolt (#58) and one M6 Aircraft Nut (#23).
C.) Slide the Butterfly Large Foam Roll (#32) onto the Right Butterfly.
D.) Insert a Front Press Handle (#11) to Right Butterfly. Secure it with one M10 x 1” Allen Bolt (#62) and one Ø ¾” Washer (#70).
E.) Repeat the same step B to D install the Left Butterfly (#7).
F.) Attach the Swivel Pulley Bracket Frame (#19) to the back of the Vertical Frame (#3). Secure it with one M10 x 3 ½” Allen Bolt (#66), two Ø ¾” Washers (#70), and one M10 Aircraft Nut (#72).
G.)Attach a Swivel Pulley Bracket (#17) to each end of Swivel Pulley Bracket Frame (#19). Secure each Bracket with one M10 x 2 ½” Allen Bolt (#65), two Ø ¾” Washers (#70), and one M10 Aircraft Nut (#72).
H.) Attach the Backrest Board (#24) to the Vertical Frame. Secure it with two M8 x 2 3/8” Allen Bolts (#68) and two Ø 5/8” Washers (#69).
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