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51. Locate and open the parts bag labeled
“SEAT ASSEMBLY.”
Attach the Small Backrest (18) to the Ab
Upright (1) with two 1/4” x 2 1/2” Machine
Screws (64) and two 1/4” Washers (37).
52. Press a 1 1/2” Square Inner Cap (57) into the
Rear Seat Frame (16).
Insert a 1/4” x 2” Carriage Bolt (61) through
the center hole in a Seat Plate (41). Attach
the Seat Plate to the Seat (17) with two 1/4” x
1/2” Screws (59).
Insert the 1/4” x 2” Carriage Bolt (61) through
the indicated hole in the Rear Seat Frame
(16). Tighten a 1/4” Nylon Locknut (44) with a
1/4” Washer (37) onto the Carriage Bolt.
Attach the other end of the Seat (17) to the
Rear Seat Frame (16) with a 1/4” Washer (37)
and a 1/4” x 2” Machine Screw (63).
53. Press a 1 1/2” Square Inner Cap (57) into the
Leg Lever (15).
Lubricate the 5/16” x 2 1/4” Bolt (62). Attach
the Leg Lever (15) to the Rear Seat Frame
(16) with the Bolt and a 5/16” Nylon Locknut
(40). Do not overtighten the Nylon
Locknut; the Leg Lever must pivot freely.
Insert the 5/16” x 2” Eyebolt (79) into the Leg
Lever (15) from the direction shown. Tighten a
5/16” Nylon Locknut (40) with a 5/16” Washer
(20) onto the Eyebolt.
54. Rest the slot in the Rear Seat Frame (16) on
the indicated post in the Ab Upright (1). Attach
the Rear Seat Frame to the Ab Upright with a
5/16” x 2 3/4” Carriage Bolt (77) and the Seat
Knob (30).
54
51
52
53
20
SEAT ASSEMBLY
Slot
44
63
17
16
57
41
61
59
1
18
Post
1
77
16
30
16
62—Lubricate
57
40
20
40
15
79
37
64
37