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 20Pilot Valve Servicing, Assembly Drawing & Parts ListPILOT VALVE SERVICINGTo service the pilot valve first shutoff the compressed air supply, bleed thepressure from the pump, and disconnectthe air supply line from the pump.STEP #1: See pump assemblydrawing.Using a 7/16" wrench or socket,remove the four capscrews (item 13).Remove the air inlet cap (item 8) and airinlet gasket (item 20). The pilot valveassembly (item 3) can now be removedfor inspection and service.STEP #2: Disassembly of the pilotvalve.Remove the pilot valve spool (item3-D). Wipe clean and inspect spool ando-rings for dirt, cuts or wear. Replace theo-rings and spool if necessary.Remove the retaining ring (item 3-F)from the end of the sleeve (item 3-B)and remove the sleeve from the valvebody (item 3-A). Wipe clean and inspectsleeve and o-rings for dirt, cuts or wear.Replace the o-rings and sleeve ifnecessary.STEP #3: Re-assembly of the pilotvalve.Generously lubricate outsidediameter of the sleeve and o-rings. Thencarefully insert sleeve into valve body.Take CAUTION when inserting sleeve,not to shear any o-rings. Install retainingring to sleeve. Generously lubricateoutside diameter of spool and o-rings.Then carefully insert spool into sleeve.Take CAUTION when inserting spool,not to shear any o-rings. Use BP-LS-EP-2 multipurpose grease, or equivalent.STEP #4: Re-install the pilot valveassembly into the intermediate.Be careful to align the ends of thepilot valve stem between the plungerpins when inserting the pilot valve intothe cavity of the intermediate.Re-install the gasket, air inlet capand capscrews. Connect the air supplyto the pump. The pump is now ready foroperation.PILOT VALVE ASSEMBLY PARTS LISTITEM PART NUMBER DESCRIPTION QTY3 095-116-000 Pilot Valve Assembly 13-A 095-087-157 Valve Body 13-B 755-051-000 Sleeve (With O-rings) 13-C 560-033-379 O-ring (Sleeve) 63-D 775-055-000 Spool (With O-rings) 13-E 560-023-379 O-ring (Spool) 33-F 675-037-080 Retaining Ring 1 |
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