Servicing
Instruction Manual ScrubberGuard
14830E/2
87
WORKSTEP
ADDITIONAL INFO / IMAGES
18. Fasten the complete unit in place by
tightening the four screws crosswise.
19. Remove the padlock on the main switch and
then switch the system back on.
20. Open the sample feed. Depending on which
pump the impeller was replaced, this can be
tested by pressing the
Drain tank
(drain
pump) or
Measurement ON/OFF
(feed
pump) buttons. Check that there are no leaks.
The pump may only be ope-
rated dry for a maximum of 30
seconds. Danger of overheating!
21. Reattach the casing to the system.
22. The system is now ready for operation again.
9.2.9
Replacing the pump capacitor
The following procedure describes how to replace the pump capacitors:
Where three capacitors are installed, replace the two small capacitors (10 and 16 µF) with
one large capacitor (25 µF).
WORKSTEP
ADDITIONAL INFO / IMAGES
1.
Remove the casing on the system so that the
pumps (arrows) can be accessed.
2.
Switch off the system by turning the red main
switch and secure using a padlock (provided
by customer).
Ensure that the service vol-
tage cannot be established again
by third parties.
▪
Attach a warning sign.
▪
Lock the main switch.
3.
Loosen the four screws (circles) and remove
the cover on the terminal box.