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The pump overheats:
-
The pump is working at excess pressure or pump
speed is higher than the rated speed.
-
Oil in the pump casing is not at level or not the
recommended type as detailed in chapter 7
(see par. 7.6).
-
Excess belt tension or joint or pulley alignment is
incorrect.
-
Excessive pump tilt during operation.
Vibration or hammering on pipes:
-
Air suction.
-
Faulty operation of the pressure control valve.
-
Valves malfunction.
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Irregular drive transmission.
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