VACUUBRAND RP 35C VARIO User Manual
Page 19
Documents are only to be used and distributed completely and unchanged. It is strictly the users´ responsibility to check
carefully the validity of this document with respect to his product. manual-no.: 999019 / 22/12/2009
page 19 of 29
☞ Check diaphragm for damage and replace if necessary.
➨ To do so use Phillips screw driver to remove four counter-
sunk head screws and lift off housing plate with rating plate.
☞ Use petroleum ether or industrial solvent to remove depos-
its if necessary. Do not inhale.
Replacing the diaphragm
➨ Use face wrench to remove diaphragm support disc.
➨ Check for washers under clamping disc. Do not mix the wash-
ers from the different heads. Make sure that the original
number is reassembled at the individual pump head.
☞ Smaller number of washers: The pump will not attain ulti-
mate vacuum. More washers: Clamping disc will hit head
cover; noise or even blockade of the pump.
head cover
housing cover with
housing cover insert
valve
connecting rod
housing
diaphragm
diaphragm clamping disc
with square head screw
diaphragm support disc
washer
View of the disassembled pump head parts