Haier 3150 SF Diaphragm Repair, Tools Required, Reassembly, Service, Disassembly, 310622L

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Diaphragm Repair

7. Repeat for inlet manifold.

Reassembly

Lubricate clamps, clamping surfaces, and gaskets with waterproof, sanitary lubricant.

1.Reassemble inlet and outlet fluid manifolds in reverse order. See step 6. Tighten clamps handtight.

2.Reassemble ball or flapper check assembly in reverse order. See step 5. Tighten clamps handtight.

For flapper check, make sure flapper check (251) is placed properly in housing (248) groove and flapper retainer (253) is aligned with housing groove. Ensure that the flapper check moves freely.

Service

Diaphragm Repair

Tools Required

•Torque wrench

•5/8 in. wrench

•19 mm open end wrench

•O-ring pick

•Lithium-base grease

•Spanner wrench

Disassembly

1.Relieve the pressure.

2.Remove the manifolds and disassemble the ball check valves as explained on page 19.

3.Hold fluid covers in place and remove the clamps (135). Pull the fluid covers (234) off the pump

.

Y 135 234

TI8771a

FIG. 16

4.Non 3A approved diaphragms: With both fluid cov- ers removed, using two 5/8 in. wrenches hold the wrench flats (Y) on the plates of each diaphragm assembly and loosen. One diaphragm assembly will come free and the other will remain attached to the shaft.

3A approved diaphragms: Diaphragms are assem- bled handtight. To loosen, grip both diaphragms securely around the outer edge and rotate counter clockwise. One diaphragm assembly will come free and the other will remain attached to the shaft. Con- tinue to step 6.

5.Disassemble the free diaphragm assembly.

6.Remove plate (444) with bolt (143) installed, dia- phragm (446), backer (447) if present, and plate (445)

310622L

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Contents Instructions/Parts List Model SA3AAA ShownHigh Sanitation Pumps 310622LContents ContentsDimensional Drawing Technical DataWarnings WarningsFIRE AND EXPLOSION HAZARD PRESSURIZED EQUIPMENT HAZARDPERSONAL PROTECTIVE EQUIPMENT BURN HAZARDInstallation InstallationGeneral Information Leak Detection SystemMountings Ground Wire ConnectionAir Line Fluid Suction LineTypical Installation FIG. 3 Typical Floor-Mount InstallationFluid Outlet Line Changing the Orientation of the Fluid Inlet and Outlet Ports Air Exhaust VentilationFIG. 4 Orientation of Fluid Ports E Master air valve for accessories F Air line filter P Muffler FIG. 5 Venting Exhaust AirA Air supply line B Bleed-type master air valve required for pump C Air regulator D Air line quick disconnectStarting and Adjusting the Pump Pressure Relief ProcedureOperation Sanitizing the Pump Before First UseRoutine Cleaning of Product Contact Section of Pump MaintenanceMaintenance LubricationMaintenance Person Preventive Maintenance ScheduleOperator Task310622L Troubleshooting TroubleshootingPROBLEM Follow Pressure Relief ProceLeak in inlet or outlet sanitary fit erly/cleanly due to imbalanceLoose sanitary clamp Tighten clampRepairing the Air Valve ServiceService DisassemblyReassembly 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 AssemblySanitary Ball Check Assembly Service For Sanitary Ball Check pumps remove ball gasketFlapper Check Assembly TI8769aTools Required Diaphragm Repair3A Pump Sanitary Pumpdiaphragm plate side high strength thread lock shaft sideBearing and Air Gasket Removal Service 3150 Stainless Steel Sanitary Pumps Pump Matrix1590 Stainless Steel Sanitary Pumps Pump MatrixFlapper Check Valve Assembly Sanitary Ball Check Valve AssemblySanitary Diaphragm Assembly Parts DrawingPump Configuration Parts List Parts ListInlet and Outlet Parts List Parts ListIndicates replacement parts † Indicates a recommended spare part Diaphragm Material Parts ListPart 3150Indicates replacement parts † Indicates a recommended spare part Check Ball Material Parts ListApply medium strength adhesive to outside center housing boreApply a medium strength thread locker to screw threads and torque to 130-150 in-lbsLeak Detector and Pump Stand Parts List Air Section PartsFluid Section Parts Accessories Accessories3150 Conversion Kits 15D990 Leak DetectorModel Dimensional DrawingModel TI8778aTechnical Data Santoprene is a registered trademark of the Monsanto CoLoctite is a registered trademark of the Loctite Corporation 1590 3A Performance Chart Performance ChartTest Conditions Pump tested in water with inlet submerged To find Fluid Outlet Pressure3A Ball Check Valve Pumps Sanitary Ball Check Valve PumpsFlapper Check Valve Pumps Model 3150 3A Performance Chart 310622L Extended Product Warranty Graco Standard Pump WarrantyGraco Warranties Graco Information