Servicing
Instruction Manual ScrubberGuard
14830E/2
89
9.2.10
Replacing the instrument pumps
When replacing the instrument pumps, always ensure that the O-rings are mounted cor-
rectly.
The following describes the replacement of the instrument pumps behind the tank. The pro-
cedure is the same for both pumps:
WORKSTEP
ADDITIONAL INFO / IMAGES
1.
Remove the casing on the system so that the
instrument pumps (circle) can be accessed.
2.
Close the sample feed and drain the water
tank by pressing the
Drain tank
button
(Section 7.1).
The pump may only be ope-
rated dry for a maximum of 30
seconds. Danger of overheating!
3.
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.
4.
Remove the connector from the instrument
pump.
The connector is found on
the connection cable, which is
approximately 10 cm long.
5.
Loosen the pipe on the pump outlet.