Control Valve (Brake Cooling, Hoist)
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| Illustration 1 | g03745534 |
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| Specification for 250-7621 Control Valve Gp | |||
| Item | Qty | Part | Specification Description |
| 1 | 4 | 134-5004 Plug | Torque to 325 ± 33 N·m (240 ± 24 lb ft). |
| 2 | 2 | 4T-0935 Spring | Length under test force is 21.0 mm (0.83 inch). Test force is 14.0 ± 1.1 N (3.1 ± 0.2 lb). Free length after test is 33.0 mm (1.30 inch). |
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| Illustration 2 | g03745536 |
Section A-A | |
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| Item | Qty | Part | Specification Description |
| 3 | 2 | 326-5212 Coil | Operating voltage is 24 VDC. Resistance at 25 °C (77 °F) is 5.0 ± 0.3 Ohms. |
| 4 | 2 | 316-1438 Cartridge As | Torque to 35 ± 3 N·m (26 ± 2 lb ft). |
| 5 | 2 | 121-2051 Spring | Length under test force is 46.0 mm (1.81 inch). Test force is 21.00 ± 0.63 N (4.72 ± 0.14 lb). Free length after test is 53.53 mm (2.107 inch). |
| 6 | 2 | 198-2914 Nut | Torque to 20 ± 3 N·m (177 ± 27 lb in). |
| 7 | 2 | 177-1405 Spring | Length under test force is 8.20 mm (0.323 inch). Test force is 18.41 ± 0.55 N (4.14 ± 0.12 lb). Free length after test is 12.29 mm (0.484 inch). |
| 8 | 2 | 118-5087 Spring | Length under test force is 50.0 mm (1.97 inch). Test force is 243 ± 19 N (55 ± 4 lb). Free length after test is 63.5 mm (2.50 inch). |
| 9 | 2 | 118-5086 Spring | Length under test force is 55.0 mm (2.17 inch). Test force is 438 ± 35 N (98 ± 8 lb). Free length after test is 76.2 mm (3.00 inch). |
Caterpillar Information System:
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