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8. Attach the SEAT PAD (20) to the SEAT FRAME (9) using two M10 X
25mm BOLTS (18) and two 3/8" SAE WASHERS (5). Tighten the BOLTS
securely.
9. Attach the LUMBAR PAD (21) to the SEAT FRAME (9) using two M10 X
35mm BOLTS (22) and two 3/8" SAE WASHERS (5). Tighten the BOLTS
securely.
10. Attach the BACK PAD (23) and STRAP CATCHES (24) to the SEAT
FRAME (9) using four M10 X 40mm BOLTS (25) and four 3/8" SAE
WASHERS (5) as shown. Tighten the BOLTS securely.
Ab Crunch
Assembly Instructions