6.3 Hydraulic Installation
Personnel:
n
Mechanic
n
Service personnel
n
Specialist
Protective equipment:
n
Chemical-resistant protective gloves
n
Protective eyewear
n
Safety shoes
Fig. 10: Installation diagram
1 Overflow valve
2 Pressure-retention valve
3 Optional: Multi-function valve (MFV)
4 Suction lance or Bottom suction valve
D Pressure valve
P Pump head
S Intake valve
Using a multi-function valve (MFV):
Dosing, pressure retention and overpressure valves (pos. 1 and pos. 2) can
be replaced by a multifunction valve (MFV) (pos. 3).
When using its essential to observe the corresponding instructions .
When using a dosing valve, dosing peaks < 1.2 mPa (12 bar) may occur.
This will cause the pump to display an error and stop.
Troubleshooting:
1. Check back-pressure!
2. Check all valves on the metering lines; it may be that a valve fitted in the metering
line is not opening correctly or may even be closed.
3. Check system pressure and reduce if necessary
.
Mounting and installation
47 417102276 Rev. 5-02.2020
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