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THE BELOW PROCEDURE APPLIES FOR F32, F40, F50, F60, F75, F100, F135:
0 - Before putting back the front ring, check the thread cleanliness of the retainer. If necessary, blow dry air and clean it properly.
1 - With the hands, put the front ring in position.
2 - With the hands, rotate the front ring anti-clockwise so it falls in the correct thread position.
3 - With the hands, tighten the front ring of a few threads.
4 - Put in position the front ring spanner 66067078AA and finish to tighten. Do not apply high torque and tighten the front ring just in contact.
5 - Put the front cap.
6 - You can have a drink and rest before the next one
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