ProMinent EXtronic EXBb Operating Instructions Manual page 39

Liquid ends with bleed valve:
Interval Maintenance work
Quarterly* In addition:
Check that the bypass line is fixed firmly to the liquid end.
n
Check that the bleed valve is tight.
n
Check the discharge and bypass line for kinks.
n
Check that the bleed valve is operating correctly.
n
Tightening torques
* Under normal loading (approx. 30% of continuous operation).
Under heavy loading (e.g. continuous operation): Shorter intervals.
Data
Tightening torques for M4 screws:
Tightening torques for M5 screws:
Maintenance
Value Unit
2.5 ... 3.0 Nm
4.5 ... 5.0 Nm
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