English
5.905-945.0 Rev. 00 (06/15)
21
DANGER
Prior to all work on the appliance, switch off the appliance
and pull the power plug.
Shut off water supply.
Drain off water pressure.
1 Overflow valve spindle with hexagon
2 Counter-nut
3 Rating nut
4 Spring
Connect the test manometer with high-pressure hose
and the trigger gun with servopress rotary regulator to
the high pressure outlet.
Insert new high-pressure nozzle.
Turn the servopress rotary regulator to the
smallest
position and let the device run.
Use the adjustment nut to adjust the tension of the
spring so that the overflow valve opening pressure is
reached (see technical data).
Secure the adjustment nut by means of the lock nut.
Switch the appliance off and remove all pressure by
opening the gun.
Connect the test manometer with high-pressure hose
and trigger gun standard to the high-pressure outlet. In-
sert new high-pressure nozzle!
Open the hand spray gun and let the device run.
Use the adjustment nut to adjust the tension of the
spring so that the working pressure reaches full load
(see technical data).
Secure the adjustment nut by means of the lock nut.
Switch the appliance off and remove all pressure by
opening the gun.
Note
The pressure switch is not adjustable.
7
Basic settings and service procedures
7.1
Adjusting the overflow valve
7.2
Trigger gun with servopress pressure regulator
7.3
Trigger gun standard