Exhaust Bypass Valve
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| Illustration 1 | g03025157 |
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Left side view | |
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| Specification for 390-4255 Exhaust Bypass | |||
| Item | Qty | Part | Specification description |
| 1 | 4 | 168-7800 Locknut | Clean the stud, the locknut, and the base of the locknut prior to assembly. |
| Before assembly, apply 2P-2333 High Temperature Sealer to the threads and the flange area of the locknut. | |||
| Use the following procedure to tighten the locknut:
1. Tighten two diagonal locknuts to 2. Tighten the remaining locknuts to 3. Again, torque all four locknuts to |
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| Illustration 2 | g03025158 |
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| Specification for 390-4255 Exhaust Bypass | |||
| Item | Qty | Part | Specification description |
| 2 | 1 | 6V-8186 Full Nut | Torque to |
| 3 | 1 | 259-1434 Spring | Free length is |
| 4 | 1 | 259-1435 Spring | Free length is |
| 5 | 1 | 6V-8801 Nut | Torque to |
| 6 | 1 | 343-9109 Setscrew | Before assembly, apply Loctite C5A Copper anti-seize to the threads and the bearing surfaces. |
| 7 | 5 | 7C-9721 Screw | Torque to |
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