Torque Increased for Nuts on Fuel Injector Wiring Harness {1290}
- Industrial Engines:
- 3176B (S/N: 3NL1-UP)
- Marine Engines:
- 3176B (S/N: 9WK1-UP)
- 3176C (S/N: 2AW1-UP)
- 3196 (S/N: 1DW1-UP)
- 3406E (S/N: 6BR1-UP)
- 3456 (S/N: 3LW1-UP)
- 3176C (S/N: 6BW1-UP)
- 3196 (S/N: 2XR1-UP)
- 3406E (S/N: 9WR1-UP)
Description of Change: The torque for nuts (1) on the wiring harness assembly for the fuel injector has been increased. The former torque was 1.70 ± 0.25 N·m (15 ± 2 lb in). The specified torque for the nuts has been increased to 2.50 ± 0.25 N·m (22 ± 2 lb in). The increase in torque will help prevent continuity and electrical short problems.
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| Illustration 1 | g00660845 |
Nut (1) on the wiring harness. | |
Adaptable To: The increased torque for the nuts on the wiring harness assembly for the fuel injector affects the following modules for the service manuals. See the following chart.
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| Service Manuals Affected by Increased Torque | ||||
| Engine Model | Serial Number | Serial Manual | D&A Module | Specifications Module |
| 3176B | 3NL | SENR6565 | SENR6534 | SENR6462 |
| 9WK | SENR6505 | SENR6509 | SENR6507 | |
| 3176C, 3196 | 2AW | SENR1175 | SENR1178 | SENR1172 |
| 6BW | RENR1215 | RENR1233 | RENR1231 | |
| 3406E, 3456 | 6BR | SENR1070 | SENR1068 | SENR1066 |
| 9WR | SENR1165 | SENR1169 | SENR1167 | |
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