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4.
Set the desired lower response pressure:
Screw out the adjustment spindle so far that the pressure gauge indicates the
desired pressure. When you screw out the valve spindle, the safety valve opens
and limits the system pressure.
5.
Tighten the lock nut clockwise using a manual torque wrench with an accuracy of
± 10% and the tightening torque indicated in table 10.
Table 10: Information on the lock nut
Valve type
Component marking
Wrench size
Tightening torque
6.
Switch off the system, let the pressure decrease, depressurize any provided
pressure accumulators, if applicable. Remove the temporarily installed pressure
gauge.
7.
Return any other pressure limiting devices which are installed in the system and
have an impact on channel P and which you have deactivated or removed before
to the normal operating state.
As an alternative to the procedure described above, the safety valve may also be
removed and set to the desired lower response pressure on a test stand.
9.3 Operation with counter pressure in the discharge line
See chapter 5.2.1 "Limitations of use"
Operation
DB20K.1X/...E
1001
22
10 +5 Nm
RE 25818-B/11.21, DB20K.1X/...E, Bosch Rexroth AG
27/40
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