Troubleshooting
WARNING
To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 4.
Relieve the pressure.
Check all possible problems and causes before disassembling the pump or surge suppressor.
PROBLEM | CAUSE | SOLUTION |
|
|
|
Surge suppressor operates | Clogged air line or air inlet | Inspect; clear. |
erratically |
|
|
|
|
|
| Air line connected to pressure gauge | Connect air line to air inlet |
| port | (see page 11). |
|
|
|
| Clogged fluid supply line, fluid inlet or | Inspect; clear. |
| fluid outlet |
|
|
|
|
| Diaphragm (13 or 21[) ruptured | Replace. See page 9. |
|
|
|
| Unbalanced air pressures between | Ratio of air inlet pressure to surge |
| pump and surge suppressor | suppressor and air inlet pressure to |
|
| pump must be the same as pump ra- |
|
| tio, but air pressure to surge sup- |
|
| pressor must never exceed 100 psi |
|
| (0.7 MPa, 7 bar). See page 7. |
|
|
|
Air bubbles in fluid | Fluid supply line loose | Tighten. |
|
|
|
| Diaphragm (13 or 21[) ruptured | Replace. See page 9. |
|
|
|
| Manifold | Replace. See page 10. |
|
|
|
Fluid in exhaust air | Diaphragm (13 or 21[) ruptured | Replace. See page 9. |
|
|
|
| Diaphragm plates (12 or 32) loose or | Tighten or replace. See page 9. |
| damaged |
|
|
|
|
| Damaged shaft (11) or shaft | Replace. See page 9. |
| (19) |
|
|
|
|
Pump leaks air or fluid from cover (7) | Tighten | |
|
|
|
[Ref. No. 21, the PTFE diaphragm, is used only in Surge Suppressor Models 224892 and 224894.
8308178