Boom - Stub Boom
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| Illustration 1 | g03398743 |
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| Specification for 123-8931 Stub Boom | |||
| Item | Qty | Part | Specification Description |
| All bores must be free of paint. Coat all bores for pins with the lubricant including fore boom, the upper frame, and the cylinder pin bores. | |||
| 1 | 2 | 258-8502 Bushing | Bore of the bushing before assembly is 70.27 ± 0.04 mm (2.767 ± 0.002 inch). |
| Installation depth is 7.0 ± 0.5 mm (0.28 ± 0.02 inch). |
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| 2 | 2 | 128-7656 Bushing | Bore of the bushing before assembly is 70.23 ± 0.02 mm (2.765 ± 0.001 inch). |
| Installation depth is 7.5 mm (0.30 inch). |
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| 3 | 6 | 8T-4956 Bolt | Torque to 120 ± 20 N·m (89 ± 15 lb ft). |
| 4 | 1 | 093-0118 Shim | As required, use the shim with the thickness of 2.0 mm (0.08 inch) to adjust lateral clearance to a total maximum of 1.6 mm (0.06 inch) and a total minimum of 0.5 mm (0.02 inch) for each boom cylinder eye. |
| 5 | 1 | 093-0086 Shim | As required, use the shim with the thickness of 1.0 mm (0.04 inch) to adjust lateral clearance to a total maximum of 1.6 mm (0.06 inch) and a total minimum of 0.5 mm (0.02 inch) for each boom cylinder eye. |
| 6 | 1 | 120-8520 Pin As | Diameter is 69.850 ± 0.025 mm (2.7500 ± 0.0010 inch). |
| 7 | 1 | 8T-4780 Bolt | Torque to 570 ± 80 N·m (420 ± 59 lb ft). |
| 8 | 1 | 093-0118 Shim | As required, use the following shim with the thickness of 2.0 mm (0.08 inch) to adjust lateral clearance to maximum of 1.0 mm (0.04 inch). |
| 9 | 4 | 093-1434 Lip Type Seal | Before assembly, lightly lubricate the sealing lip with the 5P-0960 Grease Cartridge . |
| 10 | As required, use the following shims to adjust lateral clearance to maximum of 1.0 mm (0.04 inch): |
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| 1 | 093-0086 Shim | Thickness is 1.0 mm (0.04 inch). |
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| 1 | 7Y-2496 Shim | Thickness is 1.6 mm (0.06 inch). |
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| 11 | 1 | 173-1342 Pin | Diameter is 69.950 ± 0.025 mm (2.7539 ± 0.0010 inch). |
| 12 | 1 | 133-2424 Shim | As required, use the following shim with the thickness of 0.5 mm (0.02 inch) to adjust lateral clearance to maximum of 1.0 mm (0.04 inch). |
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