Boom Cylinder
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345B Series II Excavator Machine System Specifications
[RENR3734]
345B Series II Excavator Machine System Specifications
Track Roller (Double Flange)
345B Series II Excavator Machine System Specifications
Bucket Cylinder
HYDRAULIC SYSTEM
CYLINDER GP
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| Illustration 1 | g02796836 |
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| Specification for 150-4125 Boom Cylinder Gp | |||
| Item | Qty | Part | Specification Description |
| 1 | 2 | 148-3091 Bushing | Inside diameter before assembly is 110.300 to 110.387 mm (4.3425 to 4.3459 inch). |
| Installation depth in the cap assembly 9.85 ± 0.50 mm (0.388 ± 0.020 inch). |
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| Installation depth in the rod assembly 10.0 ± 0.3 mm (0.39 ± 0.01 inch). |
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| 2 | 1 | 7Y-4956 Locknut | Before assembly, lubricate the face and the threads with 309-6932 Hydraulic Oil . |
| Torque to 10000 ± 500 N·m (7376 ± 369 lb ft). |
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| 3 | 1 | 105-7262 Wear Ring | Lubricate the inside diameter and the outside diameter with clean grease. |
| 4 | 1 | 9X-3607 Seal As | Lubricate the inside diameter and the outside diameter with clean grease. |
| 5 | 1 | 096-5609 Ring | Lubricate the inside diameter and the outside diameter with clean grease. |
| A | 1 | 150-4126 Cylinder As | Bore diameter is 170.00 ± 0.10 mm (6.693 ± 0.004 inch). |
| B | 1 | 194-2667 Rod As | Diameter is 109.930 ± 0.038 mm (4.3279 ± 0.0015 inch). |
| C | 1 | 358-8521 Head | Bore diameter over two lands is 110.63 ± 0.03 mm (4.356 ± 0.001 inch). |
| 6 | 8 | 7Y-5239 Bolt | Torque to 900 ± 100 N·m (664 ± 74 lb ft). |
| 7 | 1 | 6I-6785 Seal Ring | The slit of the seal ring must turn in the direction of the piston. |
| 8 | 1 | 114-0761 Bushing | Outside diameter before assembly is 115.148 ± 0.032 mm (4.5334 ± 0.0013 inch). |
| Thickness is 2.475 ± 0.025 mm (0.0974 ± 0.0001 inch). |
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| 9 | 1 | 128-9266 Buffer Seal | Lubricate the sealing lip lightly with the lubricant that is being sealed. |
| 10 | 1 | 170-9865 U-Cup Seal | Lubricate the sealing lip lightly with the lubricant that is being sealed. |
| 11 | 1 | 165-9291 Lip Type Seal | Lubricate the sealing lip lightly with the lubricant that is being sealed. |
| 12 | - | - | Before assembly, apply green Loctite Retaining Compound 620 to the wiper seal groove. |
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