Environnement AF22e, Technical Manual, Page: 89 / 118

Duplication prohibited
AF22e
Environnement
S.A
APRIL 2016
4–9
MAINTENANCE SHEET
MONITOR Serial No.: OPERATION SHEET: 4.3.4
Scope: KNF pump maintenance PAGE: 1/5 Frequency: 1 year
WARNING: Before any intervention, unplug the power cable and make sure the pump is turned off.
The diaphragm and valves are the only pump parts that need replacement. Maintenance operation
consists of cleaning and/or replacing them.
Preliminary operation:
−
Turn off the analyzer and unplug the power cable.
−
Unscrew the cover screw located on the analyzer rear panel. Remove the protective cover.
−
Disconnect the pump from its electrical connection. Unscrew the fluid inlet and the fluid outlet of
the pump.
−
Unscrew and remove the four screws to release the pump holder out of the frame.
−
Unscrew and remove the three screws to release the pump from its holder, and perform pump
maintenance outside the analyzer.
Date
Tools and parts required
•
Two flat screwdrivers, 1 x 5.5 cm and 0.4 x 2.5 cm
•
Hexagon socket head wrench n°3
•
KNF pump maintenance kit. Ref.: V04-0005
•
Cross-tip screwdriver, 4.5 x 75 cm