Diaphragm Vacuum Pumps UN012, UN024, UN036_I
Servicing
14
Type range
Tools/Material
Phillips screwdriver No. 1
UN012
Fork wrench or socket wrench 7 mm
UN024
Fork wrench or socket wrench 8 mm
UN036, UN036.0
Fork wrench or socket wrench 10 mm
Pin-wrench for two-hole nuts, pin diameter
4 mm (available as “wrench for retainer
plate”, a KNF accessory, see section 10)
Screwdriver for slotted screw (only for .11-
versions)
Felt-tip
pen
Sharp
knife
Tab. 2: Tools and material
Change the wave diaphragm and valve plates in the following
sequence:
a.) Preparatory steps
b.) Removing pump head
c.) Changing diaphragm
d.) Changing valve plates and sealing rings
e.) Refitting pump head
f.) Final steps.
Proceed as follows (see fig. 6).
For two-headed pumps: Perform and finish all work on one pump
head before working on the second pump head.
Tools and materials
