VACUUBRAND PC 301 - Manual (Page 30)

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.: 999147 / 17/06/2014
page 30 of 40
➨ Use hex key to remove six socket head screws from pump
head and remove upper housing (housing cover with hous-
ing cover insert and head cover).
☞ At inlet side of pumping unit: Remove the upper housing
with vacuum gauge DVR 2 affixed to it.
☞ Never remove parts by using a spiky or sharp-edged tool
(e. g. screw driver), we recommend to use a rubber mallet
or compressed air (to be blown carefully into port).
➨ Use open-ended wrench w/f 17 to remove union nut of the
fitting next to the gas ballast cap.
➨ Use open ended wrench w/f 14 to turn elbow fitting 1/4 of
a turn, disconnect hose.
☞ Do not remove the elbow fitting from the pump head.
➨ Remove screw of the handle at one housing cover (hex
key size 5).
Cleaning and inspecting the pump heads
Opening the hose clip:
➨
Apply screw driver as shown and turn.
Detach the fixing of the connection tube to the inlet/outlet of
the vacuum system below the housing cover.
➨
Open the hose clip with a flat-bladed screw driver.
➨ Pull the tubing off the hose connector. Pay attention to
hose clip.
➨ Use open-ended wrench w/f 17 to remove the union nut
of the hose connection between the inlet and the vacuum
connection of the DVR 2. Pull the hose off the vacuum
connection.