Cleaning and maintenance
64
20901118_EN-US_PC301x VARIO select Serie_V1.3_100720
Replace diaphragms
-> Example
Diaphragm replace-
ment
1. Lift the diaphragm up-
wards on either side.
2. Carefully position the di-
aphragm wrench on the di-
aphragm support disc and
unscrew the assembly
with the diaphragm
wrench attached.
3. Lift the diaphragm, along
with all the parts, out of
the vacuum pump. If the
spacer discs adhere to the
connecting rod, remove
them carefully.
n
Never drop spacer discs
into the aluminum housing.
n
Check for any spacer discs
adhering to the connecting
rod.
n
Keep the spacer discs. It is
essential to reinsert the
same number of spacer
discs.