Boom Cylinder
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| Illustration 1 | g03315438 |
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| Specification for 113-4979 Boom Cylinder Gp | |||
| Item | Qty | Part | Specification Description |
| 1 | 1 | 258-8503 Bushing | Bore before assembly is 70.27 ± 0.04 mm (2.767 ± 0.002 inch). |
| Installation depth is 6.5 ± 0.5 mm (0.26 ± 0.02 inch). |
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| A | 1 | 113-4981 Cylinder As | Bore diameter is 110.027 ± 0.027 mm (4.3318 ± 0.0011 inch). |
| B | 1 | 137-6213 Cylinder Rod and Bearing As | Diameter is 79.93 ± 0.03 mm (3.147 ± 0.001 inch). |
| C | 1 | 112-6449 Head | Bore over two lands is 80.53 ± 0.03 mm (3.170 ± 0.001 inch). |
| 2 | 1 | 143-3839 Bushing | Bore before assembly is 80.250 to 80.337 mm (3.1594 to 3.1629 inch). |
| Installation depth is 7.5 ± 0.5 mm (0.30 ± 0.02 inch). |
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| 3 | 1 | 143-8150 Special Locknut | Before assembly, apply 309-6932 Hydraulic Oil to the face and threads. |
| Torque to 4500 ± 230 N·m (3319 ± 170 lb ft). |
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| 4 | 1 | 133-6678 Ring | Lubricate the inside diameter and the outside diameter with clean grease. |
| 5 | 1 | 9X-7301 Seal As | Lubricate the inside diameter and the outside diameter with clean grease. |
| 6 | 1 | 160-0033 Ring | Lubricate the inside diameter and the outside diameter with clean grease. |
| 7 | 1 | 103-8341 Seal Ring | Slit of ring must turn in direction of piston. |
| 8 | 1 | 114-0755 Bushing | Outside diameter is 85.133 ± 0.033 mm (3.3517 ± 0.0013 inch). |
| Thickness is 2.475 ± 0.025 mm (0.0974 ± 0.0010 inch). |
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| 9 | 1 | 170-9843 Buffer Seal | Lubricate lightly with lubricant that is being sealed. |
| 10 | 1 | 170-9859 U-Cup Seal | Lubricate lightly with lubricant that is being sealed. |
| 11 | 1 | 165-9285 Lip Type Seal | Lubricate lightly with lubricant that is being sealed. |
| 12 | - | - | Before assembly, apply green Loctite 601 or Loctite 609 to the wiper seal groove. |
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