10 Maintenance of the test set
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53
10.3
Replacing the rubber gasket
SEWERIN recommends to replace the rubber gasket in the fol-
lowing cases:
●
Rubber abrasion is visible at the test gas connection of the
test set
●
Rubber abrasion is visible at the gas inlet of a device
●
Pump
test repeatedly failed
Fig. 40:
Locking mechanism, front part removed
Top centre: Rubber gasket (black)
1. Loosen both screws on the locking mechanism.
2. Remove the front part of the locking mechanism.
3. Remove the black rubber gasket from the hose connection.
4. Slide on a new rubber gasket.
5. Push the hose connection together with the rubber gasket
back into the guide.
6. Replace the front part of the locking mechanism.
7. Screw the locking mechanism back together.