CHECKING THE AIR CHAMBER FOR DAMAGES
1. Check the air chamber housing for
•
scratches on the inner surface
•
wear
•
cracks
2. Replace the air chamber housing if damaged.
REPLACING THE WIPER SEAL, QUADRING AND GUIDE BAND
1. Carefully remove the wiper seal from the air
chamber using plastic forceps.
→ The air chamber must not be damaged!
→ Do not re-use the wiper seal!
2. Remove the guide band from the air chamber by
hand.
→ Do not reuse the guide band!
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