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7.1 General and safety rules relating to breakdowns
7.2 In case of failure
7.3 Malfunctions
7 DEFECTS
Mechanical, pneumatic or hydraulic faults must be eliminated by personnel trained and qualified in the relevant field. The
manufacturer must be informed of defects which cannot be remedied by the measures described.
In the event of a malfunction, the material pressure regulator must be switched off immediately.
WARNING! Risk of injury!
Improper and incorrect interventions on the material pressure regulator, machine or system lead
to serious risks of personal injury and/or damage! Therefore, only trained qualified personnel
can correct faults.
Before, during and after all work to eliminate faults, the warnings and safety regulations in
chapter 5.2 “Maintenance and repairs” must be observed!
WARNING! Risk of injury!
Improper and incorrect interventions on the device, machine or system lead to serious risks of
personal injury and/or damage. Therefore, only trained qualified personnel can correct faults.
Before, during and after all troubleshooting work, the warnings and safety regulations in chapter
6 “Maintenance and repairs” must be observed!
Defect
Possible Cause
Solution
The pressure on the
outlet side increases
without actuation of
the regulating rod
Seal seat dirty or
worn (12.0)
Clean/replace the seat (12.0) and the ball (14.0)
In no case should you try to suppress the problem by
re-fixing something.
Fluid escapes between
the diaphragm and
housing or from the
bleed port in the lock
housing.
Diaphragm (10.0)
defective
Replace diaphragm (10.0)
PRESSURE REDUCER DAT096
