Sandpiper S05 Service & Operating Manual
Also see for s05: Service & operating manualService & operating manualService & operating manualService & operating manual
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Contents
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520-342-000 2/05 Rev C Model S05 Metallic Design Level 1 Page 24Check Valve DrawingCHECK VALVE SERVICINGBefore servicing the check valvecomponents, first shut off the suctionline and then the discharge line to thepump. Next, shut off the compressed airsupply, bleed air pressure from thepump, and disconnect the air supply linefrom the pump. Drain any remaining fluidfrom the pump. The pump can now beremoved for service.To access the check valvecomponents, remove the manifold/manifold assembly. Use a 1/2" wrenchor socket to remove the fasteners. Oncethe manifold is removed, the check valvecomponents can be seen.Inspect the check balls (items 2) forwear, abrasion, or cuts on the sphericalsurface. The check valve seats (item 36)should be inspected for cuts, abrasivewear, or embedded material on thesurfaces of both the external and internalchambers. The spherical surface of thecheck balls must seat flush to thesurface of the check valve seats for thepump to operate to peak efficiency.Replace any worn or damaged parts asnecessary.Re-assemble the check valvecomponents. The seat should fit into thecounter bore of the outer chamber.The pump can now be reassembled,reconnected and returned to operation.METALLIC SEATSTwo o-rings (or conductive PTFEseals) (item 29) are required for metallicseats.3737 1011236273737293629 |
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