Pneumatic diaphragm pump for a long time, high-speed operation is easy to damage the failure, the reason there is no external wear, loosening, rupture and dirt resistance, the following is the pneumatic diaphragm pump disassembly, failure analysis and maintenance programs: Pneumatic diaphragm pump repair refer to the example Picture Disassemble the pump body, according to the following example of the failure to replace the relevant components: Symptoms may exist Causes of maintenance programs Sudden air bubbles in the material Leakage at the inlet leakage Tight repair Diaphragm membrane pneumatic rupture Replacement Connecting rod (central shaft) Loose bolt fastening or replacement Replace the "O" ring of the inner protective valve of the air valve Replace the exhaust vent Have the diaphragm of the pneumatic diaphragm pump drained Replace the connecting rod (center shaft) Loosely fasten or replace the bolt Pump Exhausts Large Volume of Air During Standstill Check Air Valve, "O" Rings, Discs, Positioning Blocks, U-Seals, or Dowels "O" Rings Overhaul or Replace Center Shaft Seal Wear Replace Pump Cycle Stop or Stop Failure to maintain pressure Check ball, ball seat, or "O" ring for wear and tear. Pump does not work, or cycle to stop Check air valve is blocked or dirty Remove and clean air valve, use the filter air ball, ball seat wear replacement valve ball and valve diaphragm pump work irregular pneumatic diaphragm pump inlet pipe block check Clean up the ball adhesion or leakage. Clean or replace the diaphragm rupture. Replacement discharge limited. Remove the reason for the restriction
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