Heidolph ROTAVAC Vario pumping unit - Manual (Page 52)

page 52 of 61
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.: 999248 / 28/04/2011
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➨ Use open ended wrench (w/f 14) to turn the elbow fitting
1/4 of a turn, disconnect the hose. Do not remove the el-
bow fitting from the pump head.
☞ Through reassembly a leak may result.
View of the disassembled pump head parts
1: housing cover with inner part
2: valve
3: head cover
4: diaphragm clamping disc with
connecting screw
5: diaphragm
6: diaphragm support disc
7: washers
8: rod
9: housing
10: bearing plate