Karcher SHD-R 3000 - Manual (Page 25)

English SHD-R 3000
5.956-486 A2005937 (06/03)
!
Hazard!
The following mounting and accessory kits
must not be used for operation with solvents
or in a hazardous (potentially explosive
atmosphere) area.
1. Mounting kits
(non-hazardous area)
Float tank with float valve
Function
„ The float valve fitted inside the float tank
controls the level of liquid.
„ The float tank serves as a service
reservoir for the cleaning liquid.
„ If water is used as the cleaning agent,
the float tank corresponds to mains
disconnection according to EN 1717.
„ In the case of the mobile systems, the
float tank is fitted to the trolley.
Settings
Closing force
Extending the length of L increases the
amount of closing force, i.e. even when the
cleaning liquid is fed in at quite high pressure
the float valve is able to shut off the supply.
Technical specification
Capacity up to overflow: 30 litres.
G1
G. Mounting kits and accessories
Volume control valve
Function
If only a part of the pump delivery volume is
required, the remainder is fed back to the
suction side of the pump via the volume
control valve.
This item is required when the system is
used with handguns.
Pressure switch
!
Danger!
Danger due to high voltage. The pressure
switch has been pre-set in the factory,
adjustments should only be made by a
Kärcher Customer Service engineer.
Function
The pressure switch
„ switches the system off if the working
pressure is exceeded.
„ switches the system back on when the
pressure drops again.
Pulsation damper
Caution!
As the membrane in the pulsation damper is
not suitable for solvents, do not use the
pulsation damper for operation with
solvents.
Function
The pulsation damper evens out variations
or peaks in pressure while the system is in
operation.
i
Important!
Volume control valve, pressure switch and
pulsation damper are usually employed
together as an automatic volume control
system.