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Troubleshooting
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Troubleshooting
Relieve the pressure (page 11) before checking or repairing the equipment.
To repair the regulator, refer to page 13.
Problem Cause Solution
Drop in fluid outlet pressure. Ruptured diaphragm (15). Replace diaphragm.
Air escaping (pneumatic regulators
only).
Check air hose and connections.
Replace piston seal (21).
Fluid outlet pressure increases to
level of fluid inlet pressure.
Valve ball (5) and seat (2) are worn
or stuck open.
Clean ball and seat. Replace worn or
damaged parts.
Fluid leaking from upper housing. Ruptured diaphragm (15). Replace diaphragm.