03-8312 Replacing starter ring gear
Preceding work: Flywheel removed (03-8001) |
Data | I | II | III |
Engine model designation | 356.901/902/903 904/905/906 907/908/909 910/911/941 944/945/947 948/951/952 953 364.918 | 356.943/946/949 986/987/989 990/991/992 993/994/995 996
| 356.983 366.999 |
Diameter for mounting | 335.530 335.390 | 360.575 360.435 | 392.575 392.435 |
Starter ring gear inner diameter | 334.830 334.690 | 359.830 359.690 | 392.140 392.000 |
Overlap of | 0.840 0.560 | 0.885 0.605 | 0.575 0.295 |
Permissible lateral runout | 0.5 | 0.5 | 0.5 |
Starter ring gear mounted when heated to | 250 to 280°C | 250 to 280°C | 250 to 280°C |
Replacing
1 Rapidly heat starter ring gear to 250° to 280°C with a welding torch and press off.
Risk of burns.
2 Heat new starter ring gear to 250°C to 280°C and press on.
Risk of burns.
Note
The starter ring gear must be pressed on until it abuts the flywheel and must be sunk. The maximum lateral runout of the pressed on starter ring gear of 0.5 mm must not be exceeded.
3 On engines with a hole circle diameter for mounting the clutch of 410 mm, the starter ring gear must be drilled after installing and provided with M101.5 threads.
Note
Grease starter ring gear with longlife grease before operating.
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