Checking The Sealing; Cleaning And Checking All Parts - DT SWISS RATCHET EXP Technical Manual

2.8 CHECKING THE SEALING

The sealing must only be dismounted and changed when it is damaged.
1. Check the sealing for damages.
2. If there is clearly visible damage, replace the sealing:
To replace the sealing, there is a notch in the
hub shell.
3. Using a slotted screwdriver with a blade
width of 2.5 mm, slide under the seal into
the notch in the hub shell.
4. Turn the screwdriver 90° around its
longitudinal axis and push the seal out of its
seat.

2.9 CLEANING AND CHECKING ALL PARTS

The wear of the ratchets starts at its outer diameter. If there is only low wear, the ratchets can be
further used. In this case, the ratchets must be checked regularly in short intervals.
In case of heavy wear, the ratchets must be changed immediately.
1. Clean the ratchets, check for wear and change them if necessary.
2. Check the freewheel body for damages.
→ Grooves from the cassette are no
damages. These are normal signs of
usage.
3. Remove bad notches from the rotor using a
file.
4. Clean the freewheel body. Metal filings must
be removed completely.
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