Weider 831.159720 user manual Do not tighten the Nylon Locknuts yet

Models: 831.159720

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6.Hold the Butterfly Top Frame (64) and the Press Top Frame (63) on the indicated brackets on the Uprights (59, 62) and the Weight Guides (58). Note: Before attaching the Top Frames to the Uprights, make sure that both Weight Guides (58) are positioned inside of the indicated holes.

Attach the Butterfly Top Frame (64) and the Press Top Frame (63) to the Uprights (59, 62) and Weight Guides (58) with four 5/16” x 2 3/4” Bolts (20), two Top Plates (46), and four 5/16” Nylon Locknuts (2).

Do not tighten the Nylon Locknuts yet.

Secure the Weight Guides (58) to the Butterfly Top Frame (64) and to the Press Top Frame (63) with two 3/8” x 2 1/2” Bolts (6), four 3/8” Flat Washers (17), and two 3/8” Jam Nuts (18).

7.Turn the Seat Brace (75) so the nut is on the side as shown. Attach the Seat Brace (75) to the Butterfly Base (61) with the 5/16” x 2 1/2” Carriage Bolts (1) and two 5/16” Nylon Locknuts (2). Do not tighten the

Nylon Locknuts yet.

8.Hold the Seat Bar (74) between the Seat Brace (75) and the Butterfly Upright (62) so that the hole that is closest to the welded plate is facing the Seat Brace. Attach the Seat Bar (74) to the Seat Brace (75) with two 5/16” x 2 3/4” Bolts (20), two 5/16” Flat Washers (19), and two 5/16” Nylon Locknuts (2). Do not over- tigten the Bolts or the Curl Post attached in step 38 will not slide freely. Do not tighten the Nylon Locknuts yet.

Attach the Seat Bar (74) to the Butterfly Upright (62) with two 5/16” x 2 3/4” Bolts (20), two 5/16” Flat Washers (19), and two 5/16” Nylon Locknuts (2).

Important: Go back and tighten all of the Nylon Locknuts used in steps 1 through 8.

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20

 

18

20

17

 

17

 

 

46

 

 

46

 

 

 

64

 

 

63

 

 

 

 

17

Holes

17

 

 

6

 

 

58

 

 

 

2

 

2

 

 

 

62

 

 

59

 

 

 

7

 

Nut

 

 

 

 

75

 

 

 

 

 

2

 

 

 

 

61

 

 

1

 

8

 

 

 

 

 

62

 

 

2

 

19

Hole

 

20

 

 

 

74

 

 

 

 

 

 

19

19

75

 

 

 

 

 

20

 

 

 

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Weider 831.159720 user manual Do not tighten the Nylon Locknuts yet