Haier 1590 SB, 3150 SB Check Valve Repair, 3A Ball Check Assembly, Disassembly, Service, 310622L

Page 19

Check Valve Repair

Disassembly

Reference numbers with an asterisk (*) are replacement parts. For a complete list of replace- ment parts see Parts, page 26.

1.Relieve the pressure. Disconnect all hoses.

2.Remove the pump from its mounting. Drain.

3.From the outlet manifold, remove both upper clamps (132a).

4.Remove outlet manifold leaving elbows (128), gas- kets (129), clamps (130), and tee (339) assembled.

5.For 3A Ball Check pumps: remove ball gasket (240). Remove middle clamp (132c) and ball stop housing (2XA). Remove middle gasket (240) and ball (541). Remove lower clamp (132b), seat (2XB), and gasket (240). Clean all parts and inspect for wear or dam- age. Replace parts as needed.

128
132a
*240
2XA	129*

132c	130
132c
*240
*541
2XB
*240
132b

Service

3A Ball Check Assembly

FIG. 13

TI8768a

310622L

Image 19

Contents 310622L Model SA3AAA ShownInstructions/Parts List High Sanitation PumpsTechnical Data ContentsContents Dimensional DrawingPRESSURIZED EQUIPMENT HAZARD WarningsWarnings FIRE AND EXPLOSION HAZARDPERSONAL PROTECTIVE EQUIPMENT BURN HAZARDLeak Detection System InstallationInstallation General InformationFluid Suction Line Ground Wire ConnectionMountings Air LineFIG. 3 Typical Floor-Mount Installation Typical InstallationFluid Outlet Line Air Exhaust Ventilation Changing the Orientation of the Fluid Inlet and Outlet PortsFIG. 4 Orientation of Fluid Ports C Air regulator D Air line quick disconnect FIG. 5 Venting Exhaust AirE Master air valve for accessories F Air line filter P Muffler A Air supply line B Bleed-type master air valve required for pumpSanitizing the Pump Before First Use Pressure Relief ProcedureStarting and Adjusting the Pump OperationLubrication MaintenanceRoutine Cleaning of Product Contact Section of Pump MaintenanceTask Preventive Maintenance ScheduleMaintenance Person Operator310622L Follow Pressure Relief Proce TroubleshootingTroubleshooting PROBLEMTighten clamp erly/cleanly due to imbalanceLeak in inlet or outlet sanitary fit Loose sanitary clampDisassembly ServiceRepairing the Air Valve ServiceReassembly 8. Install the valve carriage 105 so its tabs slip into the grooves on the narrow end of the actuator pis- tons 111. See FIG Check Valve Repair 3A Ball Check AssemblyTI8769a Service For Sanitary Ball Check pumps remove ball gasketSanitary Ball Check Assembly Flapper Check AssemblyTools Required Diaphragm Repairshaft side Sanitary Pump3A Pump diaphragm plate side high strength thread lockBearing and Air Gasket Removal Reassembly Pump Matrix Pump Matrix3150 Stainless Steel Sanitary Pumps 1590 Stainless Steel Sanitary PumpsParts Drawing Sanitary Ball Check Valve AssemblyFlapper Check Valve Assembly Sanitary Diaphragm AssemblyParts List Parts ListPump Configuration Parts List Inlet and Outlet Parts List3150 Diaphragm Material Parts ListIndicates replacement parts † Indicates a recommended spare part PartIndicates replacement parts † Indicates a recommended spare part Check Ball Material Parts Listscrew threads and torque to 130-150 in-lbs center housing boreApply medium strength adhesive to outside Apply a medium strength thread locker toAir Section Parts Leak Detector and Pump Stand Parts ListFluid Section Parts 15D990 Leak Detector AccessoriesAccessories 3150 Conversion KitsTI8778a Dimensional DrawingModel ModelSantoprene is a registered trademark of the Monsanto Co Technical DataLoctite is a registered trademark of the Loctite Corporation To find Fluid Outlet Pressure Performance Chart1590 3A Performance Chart Test Conditions Pump tested in water with inlet submergedSanitary Ball Check Valve Pumps 3A Ball Check Valve PumpsFlapper Check Valve Pumps Santoprene is a registered trademark of the Monsanto Co 3150 3A Performance Chart 310622L Graco Information Graco Standard Pump WarrantyExtended Product Warranty Graco Warranties