6.Orient the Backrest (13) as shown. Attach the Backrest to the Backrest Frames (12) with four M6 x 40mm Bolts (49) and four M6 Washers (48).
Do not tighten the Bolts.
7.Insert the Backrest Bracket (10) through the Bench Frame (1).
Grease an M10 x 168mm Bolt (50). Attach the Backrest Frames (12) to the Bench Frame (1) with the Bolt and an M10 Nylon Locknut (43). Do not overtighten the Locknut; the Backrest Frames must be able to pivot easily.
Attach the Adjustment Pin (25) to the Bench Frame (1) with an M4 x 16mm Screw (45). Engage the Pin into the Bench Frame and the Backrest Bracket (10).
Tighten the M6 x 40mm Bolts (49) and M6 Nylon Locknuts (51) used in steps 5 and 6.
8.Orient the Seat (14) as shown. Attach the Seat to the Bench Frame (1) with four M6 x 16mm Screws (39).
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