| | Subassembly index | Subassembly | Targeted parts |
| | 1 | (44, 45, 18) | Eccentric sleeve 5, bear 11, and bear 12 | | 2 | (29, 27, 23) | Sleeve 3, lubricating ring 4, and gear 7 | | 3 | (26, 21, 22) | Blank cap 2, gear 3, and gear 6 | | 4 | (9, 3, 31) | Bear 3, bear 4, and bear 6 | | 5 | (6, 24, 20) | Sleeve 1, eccentric sleeve 4, and spline | | 6 | (15, 17, 19) | Bear 10, bear 9, and inner splined sleeve | | 7 | (7, 2, 36) | Gear 1, sleeve 3, and bear 8 | | 8 | (30, 38, 25) | Gear 2, bear 7, and gear 4 | | 9 | (4, 8) | Lubricating ring 1 and eccentric sleeve 2 | | 10 | (14, 10, 13) | Gear 5, sleeve 2, and end cap 4 | | 11 | (39, 40) | Bear 1 and bear 5 | | 12 | (5, 28, 16) | Output shaft 1 | | 13 | (32, 42, 46) | Lock 1, lubricating ring 2, and eccentric sleeve 1 | | 14 | (43, 11, 34) | Input shaft, middle box, and lock 2 | | 15 | (49, 1, 37) | Upper box, oil collecting hood, and end cap 3 | | 16 | (35, 12, 48) | End cap 1, end cap 2, and blank cap 1 |
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