8.Grease an M14 x 180mm Bolt (60). Attach the Pivot Tubes (7) to the Frame (1) with the Bolt, two M14 Washers (68), and an M14 Nylon Locknut (50). Do not overtighten the Nylon Locknut; the Pivot Tubes must pivot easily.
Grease an M12 x 90mm Bolt (62). Attach the Backrest Frame (6) to the Seat Carriage (13) with the Bolt and an M12 Nylon Locknut (64). Do not overtighten the Nylon Locknut; the Backrest Frame must pivot easily.
9.Attach the Seat (19) to the Seat Frame (12) with two M6 x 16mm Screws (51), an M6 x 65mm Screw (59), and an M6 Washer (70).
10.Grease an M12 x 90mm Bolt (62). Attach the Seat Frame (12) to the Seat Carriage (13) with the Bolt and an M12 Nylon Locknut (64). Do not tighten the Nylon Locknut yet.
See the inset drawing. Attach two 12.7mm x 4.5mm Spacers (69) to the Seat Carriage (13) and the Seat Frame (12) with two M4 x 25mm
Nylon Locknut (64) used in this step. Do not overtighten the Nylon Locknut; the Seat Frame must pivot easily.
8 |
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| 18 |
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| Grease |
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| 68 |
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| 60 |
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| 6 |
| 7 | 68 |
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| 64 |
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| 50 |
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| 1 |
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| 62 |
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| 13 | Grease |
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9 | 19 |
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| 12 |
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| 70 |
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| 51 |
| 59 |
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10 |
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| 12 |
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| 64 |
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| Grease | |
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| 13 | 62 |
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| 54 |
| 69 |
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| 12 |
| 69 |
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| 13 | 54 |
9
