DT SWISS F 535 ONE Technical Manual page 10

6. Remove the O-rings of the connectors. If there
is no O-ring on one of the connectors, it may be
inside the lower unit and must be removed from
there.
7. Slightly grease the new O-rings and put it on the
connectors.
4.3 CHANGING THE WIPER SEALS
1. Remove both foam rings below the wiper seals.
2. Remove both wiper seals using a solid tire lever.
ATTENTION: The lower unit must not be damaged!
3. Clean the lower unit with an appropriate cleaner.
→ If you are using soap water, flush the lower unit with clear water after cleaning.
→ There must be no residual moisture inside the lower unit before re-mounting.
→ Only use lint-free textile cloths.
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