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SHD-R 3000
English
5.956-486 A2005937 (06/03)
G2
Pressure-relief valve
Function
The pressure-relief valve is an integrated
solenoid valve.
The pressure-relief valve is only active
during the start-up phase when the
system is configured for star-delta
starting.
When the pressure-relief valve is opened,
the liquid delivered by the pump flows
back to the suction side. As a result, no
pressure is built up, and the load on the
motor is reduced during the start-up
phase.
Detergent metering at the suction
side of the pump
Danger!
If the detergent reservoir is empty and the
metering valve is open, the pump takes in
air. This can lead to damage to the pump,
therefore:
check detergent reservoir regularly,
do not open metering valve until actual
work commences,
close metering valve as soon as work
has ended.
Function
A diaphragm has been inserted into the
pump intake connection,
detergent is taken in from an external
reservoir,
the amount taken in is determined by a
metering valve,
metering is switched on or off by a solenoid
valve.
Detergent metering at the pressure
side of the pump
Function
Detergents are taken in from an external
reservoir and fed to the output from the
pump,
an injector mixes the detergent with the
high-pressure jet (double spray lance
required for detergent metering),
detergents can also be metered by
means of a high-pressure metering pump.
2. Mounting kits
(hazardous area)
Please contact Kärcher about mounting kits
for hazardous (potentially explosive
atmosphere) areas.
For representations, please refer to figures
A 170/1, A 172, A 173, A 161 and A 154.
3. Accessories
Lubricants:
Oil for pump: Oil 40 special
Order no. 6.288-003 (1 litre pack)
Lubricating grease for:SHD-R 3000 (F)
SHD-R 3000 (F) S/
SHD-R 3000 (F) SVA
(6.288-034)
For normal use:
Order no. 6.288-015 (Tin with 1 kg)
The following grease is prescribed for food-
processing operations:
Order no. 6.288-034 (Tin with 1 kg)
High-pressure hoses, nozzles,
detergents
Ask your dealer for further details about
these or any other accessories, or contact
Kärcher Plant Engineering.
G. Mounting kits and accessories