13.Orient the Seat (13) and the Seat Carriage (12) as shown. Attach the Seat to the Seat Carriage with four M6 x 16mm Screws (82).
14.Set the Seat Carriage (12) on the Bench Frame
(5).
Slide a Steel Tube (57) into a Long Spacer (46). Orient two Small Wheels (47) as shown in the inset drawing, and slide them onto the ends of the Steel Tube.
Have one person press the Seat (13) against the Bench Frame (5). Press the wheel assembly tight against the bottom of the Bench Frame and attach it to the lowest set of holes in the Seat Carriage
(12)with an M8 x 79mm Bolt (60) and an M8 Flange Nut (84). Do not overtighten the
Locknut; the Small Wheels must be able to roll easily.
Slide the Seat Pin (45) through the Seat Carriage
(12)and an adjustment hole in the Bench Frame
15.Press two 25mm Square Inner Caps (54) into the indicated ends of the Backrest Frame (15). Press the Backrest Cap (16) onto the other end of the Backrest Frame.
Attach a Plastic Foot (53) to the Backrest Frame
(15)with an M4 x 16mm Screw (56).
Attach the two Guard Plates (17) to the inside of the Bench Frame (15) with four M4 x 16mm Screws (56).
16.Orient the Backrest (14) as shown. Attach the Backrest to the Backrest Frame (15) with four M6 x 38mm Screws (58) and four M6 Washers (77).
13
13
12
82 
82
14
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| 13 | 60 | |
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| 45 |
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| 84 |
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| 12 |
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| 5 |
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| Adjustment |
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| Hole |
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Small |
|
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| 47 |
57 | 46 | 47 | 57 | 46 | |
Side | 47 | ||||
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| |
47 |
| Large Side |
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| |
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15
15 |
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16 |
| |
53 |
| |
56 | 54 | |
56 | ||
17 | ||
| ||
17 | 56 | |
| ||
16 |
| |
| 14 |
77 | 15 |
| |
77 |
|
58 | 77 |
| 58 |
9