36
PWDXXA-40X_20 5715-677 UK.indd 26.01.17
Electronic for proportional DC valves
Series PWDXXA-40X
Operation Manual
Parker Hannifin Corporation
Hydraulics Group
Parker Hannifin Corporation
Hydraulics Group
Afterwards starting of trouble-shooting by means of a priority list of the most likely reasons.
For suspect of a sluggish spool the valve may
be flushed with clean pressure fluid.
Trouble-shooting in a hydraulic system requires in either case a
systematic approach. The work may exclusively be performed by
qualified personnel, as it requires detailed knowledge about function
and construction of the system. Reversals or dissassemblings may
not be taken imprudently! Prior to the works it has to be clarified, if
the system has been operated properly until the failure occured.
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