P_G_0054_SW
Fig. 37: Leakage hole
Interval
Maintenance work
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.
* Under normal loading (approx. 30% of continuous operation).
Under heavy loading (e.g. continuous operation): Shorter intervals.
Data
Value Unit
Tightening torque for screws:
4.5 ... 5.0 Nm
Liquid ends with bleed valve:
Tightening torque
Maintenance
67
