Related Manuals for QED LEP-150-P
Summary of Contents for QED LEP-150-P
- Page 1 Maintenance and Troubleshooting Guide V1.5 LEP-150-P, LEP-225-P Pump QED Environmental Systems www.QEDENV.com...
- Page 2 ATZ PUMP MAINTENANCE & TROUBLESHOOTING GUIDE Thank you for purchasing a QED pump. We stand by our motto that we make all of our products Trusted, Proven and Reliable, and trust that you will be very pleased with your purchase. It is our hope that this guide will prove useful for any maintenance and troubleshooting issues that may arise in the field.
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Page 3: Section I: Pump Components And Required Tools
SECTION I: PUMP COMPONENTS AND REQUIRED TOOLS PUMP COMPONENTS Exploded view drawings and part lists for the below components are available in the appendices to this guide. APPENDIX DRAWING DESCRIPTION DRAWING NO. PAGE Reciprocating Pump Component Options LP-ASSBLY OPTIONS Complete Pneumatic Leachate Pump Assembly LP-PNEUMATIC Pump Head Assembly LP-PH-ASSBLY... -
Page 4: Piston Seals
Piston seals: when output drops appreciably Pump head seals: when significant amounts of leachate leaks from the indicator hole on the pump head PISTON SEALS The piston assembly includes two U-cup straight seals. When pumping particulate filled leachate, the average life expectancy for these two piston seals is 3-4 months, whereas when pumping clean water one can expect at least 12-18... - Page 5 If seals are to be installed on site, a blunted hook tool may aid the process. Take care not to puncture seals during installation. The pump head and seal body incorporate a tell-tale seal wear indicator port which alerts technicians to the failure of the lower set of seals inside the seal body.
- Page 6 PNEUMATIC BACKPLATE ASSEMBLY The operational lifespan of the pneumatic backplate assembly depends greatly on the dryness and cleanliness of the air supply. Drain water from the filter/regulator housing regularly by loosening then retightening the blue vent screw circled at right. In the event of difficulty with the pneumatic assembly function, refer to the troubleshooting steps in Section III.
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Page 7: Section Iii - Troubleshooting
SECTION III – TROUBLESHOOTING SYMPTOM POSSIBLE CAUSES SOLUTION No pneumatic power Check that pneumatic power exists and that all connections are sound. Insufficient regulator Check regulator setting and adjust pressure for pump load if needed. Limit switches or may be out ... - Page 8 Remove seal body assembly from SEAL WEAR INDICATOR HOLE ON PUMP HEAD need to be replaced pump head and inspect. If worn, ASSEMBLY install new seals. Replacement seal kits and seal body assemblies are available through QED. Page 8...
- Page 9 SYMPTOM POSSIBLE CAUSES SOLUTION Blockage in discharge line Locate blockage in discharge line and remove. Lower the overload status adjustment for the motor. Pump has bottomed out Pull pump and inspect. Upon re- installation ensure to raise the PVC DROP PIPE CRACKS OR push rod up approximately 1 inch BREAKS AT FIRST COUPLING...
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