Interval Maintenance task Personnel
Quarterly* In addition:
n 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
Technical personnel
* under normal loading (approx. 30 % of continuous operation)
Under heavy loading
(e.g. continuous operation): Shorter intervals.
Specification Value Unit
Tightening torque for screws: 4.5 ... 5.0 Nm
Liquid ends with bleed valve:
Tightening torque
Maintenance
29
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