Change O-Rings On The Complete Vacuum System (Optional) - KNF LAB LABOPORT SH820G Manual Del Usuario

Servicing
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9.4 Change O-rings on the complete vacuum
system (optional)
As already described in Chapter 9.3 Replace diaphragm,
valve plates/seals and O-rings [} 43], only the elastomer
parts of the pump are changed as standard during ser-
vicing. The additional O-ring replacement for servicing of
a complete vacuum system is described below. For this
purpose, you will need the appropriate spare parts set
for the complete vacuum system (see Chapter 10.1
Spare parts [} 57]).
1. Disassemble the pump heads as described in Chapter 9.3
Replace diaphragm, valve plates/seals and O-rings [} 43]
(sections: Initial steps and Removing pump head).
Translation of Originial Operating Instruction, KNF 325562-325564 06/21
Vacuum system SH820G / SR820G SH840G / SR840G