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VERSION 11/2015
OPERATING MANUAL
5.6.1
SAFETY AND MOTOR PRESSURE RELIEF VALVE
Safety valve
The safety valve (10) has been factory adjusted so as to ensure that if pressure exceeds the
permitted operating pressure, the valve, which is held with a spring, automatically opens
and releases the excess pressure.
As well as handling pressure limits, the valve is also used as a pressure relief valve for the
air motor.
Overpressure!
Risk of injury from bursting components.
Pressure relief of the air motor:
1 Close ball valve (2).
2 Pull back the ring on the safety
valve (10) and hold it there until
the pressure in the air motor has
been equalized.
5.6.2
RETURN VALVE
Installing a return fl ow valve is absolutely necessary for
carrying out a complete depressurization of the pump
(see Chapter 7.5).
The suitable return valves (ball valves), return pipes and
hoses for the device can be found in the accessories list.
1 Product outlet
2 Return valve
3 Material return line
ORDER NUMBER DOC2333553
WARNING
Never change the safety valve setting.
10
10
2
1
3
B_04104
B_04073
2
26
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