Cleaning and maintenance
20901118_EN-US_PC301x VARIO select Serie_V1.3_100720
59
5. Remove the suction dis-
tributor with the screws
and put it aside.
6. Carefully remove the used
pressure relief valve, e.g.,
with a sturdy plastic rod or
a narrow flat-head screw-
driver.
7. Replace the used O-ring.
8. Clean the pressure distrib-
utor if necessary.
9. Place the new pressure
relief valve on the clean
surface. Ensure the pres-
sure relief valve is posi-
tioned correctly on the
pressure distributor.
10. Position the suction dis-
tributor with screws and
tighten the screw fittings
until finger-tight; Phillips
screwdriver size 2.
