Troubleshooting
WARNING
To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 8.
Before servicing this equipment always make sure to Relieve the Pressure.
Check all possible remedies in the Troubleshooting Chart before disassembling the fluid regulator.
Problem | Cause | Solution |
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No pressure regulation | Damaged or clogged air regulator or | Clear obstruction in line, service regu- |
| line (214980 only) | lator if necessary. |
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| Damaged diaphragm (22) | Replace diaphragm. |
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Fluid leaks from under cap | Loose cap (7) | Tighten screws (1) in sequence |
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| shown in Service section. |
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| Worn gasket (26) | Replace gasket. |
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Pressure creeps above setting | Damaged or clogged air regulator or | Clear obstruction in line, service regu- |
| line (214980 only) | lator if necessary. |
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| Damaged diaphragm (22) | Replace diaphragm. |
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| Seat leaking (16) | Replace ball (20), seat, and gasket |
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| (15). |
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Pressure drops below setting | Damaged or clogged air regulator or | Clear obstruction in line, service regu- |
| line (214980 only) | lator if necessary. |
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| Empty/clogged supply line | Fill/flush supply line. |
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| Clogged air spray gun or fluid dis- | Replace, see gun or valve manual for |
| pensing valve. | service instructions. |
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| Using regulator beyond its rated flow | Install additional regulators. |
| capacity, see the Technical Data on |
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| Page 22. |
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