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9
Maintenance of the double diaphragm pump
Before commencing all work
Tool
Tab. 6: Tool
Component
Directional valve
Inlet and outlet connector (valve,
seat and seals)
Diaphragm cover (diaphragms
and central slide rod)
A Torx screwdriver T20 is needed for additional maintenance work (air sensors and spool valve).
Maintenance of the double diaphragm pump
User qualification, maintenance: trained and qualified per‐
n
Ä Chapter 2.2 'User qualification' on page 8 .
sonnel
WARNING!
Danger from hazardous substances!
Possible consequence: Fatal or very serious inju‐
ries.
Please ensure when handling hazardous sub‐
stances that you have read the latest safety data
sheets provided by the manufacture of the haz‐
ardous substance. The actions required are
described in the safety data sheet. Check the
safety data sheet regularly and replace, if neces‐
sary, as the hazard potential of a substance can be
re-evaluated at any time based on new findings.
The system operator is responsible for ensuring
that these safety data sheets are available and that
they are kept up to date, as well as for producing
an associated hazard assessment for the worksta‐
tions affected.
1.
Disconnect the double diaphragm pump from the com‐
pressed air supply and all supply and discharge lines.
2.
Vent and decontaminate the double diaphragm pump.
Always observe the safety data sheet for the chemicals to be
conveyed.
Screw type
Hexagonal head with flange
Required tool
Socket wrench, metric: 8 mm
23
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