Haier 1590 SB, 3150 SB, 3150 SF Troubleshooting, Problem, Follow Pressure Relief Proce, 310622L

Page 14

Troubleshooting

Troubleshooting

•Relieve the pressure before checking or servicing the equipment.

•Check all possible problems and causes before disassembling the pump.

PROBLEM	CAUSE	SOLUTION

Pump cycles at stall or fails to hold	Worn check valve balls (541) or	Replace. See page 19.
pressure at stall.	seats (233).

Pump will not cycle, or cycles once	Air valve is stuck or dirty.	Disassemble and clean air valve.
and stops.		See page 16. Use filtered air.

	Check valve ball (541) severely	Replace ball and seat. See page
	worn and wedged in seat (233) or	19.
	manifold.

	Check valve ball (541) is wedged	Follow Pressure Relief Proce-
	into seat (233), due to overpressur-	dure, page 10. Disassemble ball
	ization.	check assembly and inspect for
		damage, see page 19.

	Dispensing valve clogged.	Relieve pressure and clear valve.

	Leak detector has activated a shut-	Investigate failure and reset leak
	down solenoid	detector

Pump operates erratically.	Clogged suction line.	Inspect; clear.

	Sticky or leaking balls (541).	Clean or replace. See page 19.

	Diaphragm ruptured.	Replace. See page 21.

	Restricted exhaust.	Remove restriction.

Air bubbles in fluid.	Suction line is loose.	Tighten.

	Diaphragm ruptured.	Replace. See page 21.

	Loose inlet manifold, damaged seal	Tighten manifold clamps or replace
	between manifold and seat, dam-	seats or gaskets. See page 19.
	aged gaskets.

14

310622L

Image 14

Contents High Sanitation Pumps Model SA3AAA ShownInstructions/Parts List 310622LDimensional Drawing ContentsContents Technical DataFIRE AND EXPLOSION HAZARD WarningsWarnings PRESSURIZED EQUIPMENT HAZARDBURN HAZARD PERSONAL PROTECTIVE EQUIPMENTGeneral Information InstallationInstallation Leak Detection SystemAir Line Ground Wire ConnectionMountings Fluid Suction LineFluid Outlet Line Typical InstallationFIG. 3 Typical Floor-Mount Installation FIG. 4 Orientation of Fluid Ports Changing the Orientation of the Fluid Inlet and Outlet PortsAir Exhaust Ventilation A Air supply line B Bleed-type master air valve required for pump FIG. 5 Venting Exhaust AirE Master air valve for accessories F Air line filter P Muffler C Air regulator D Air line quick disconnectOperation Pressure Relief ProcedureStarting and Adjusting the Pump Sanitizing the Pump Before First UseMaintenance MaintenanceRoutine Cleaning of Product Contact Section of Pump LubricationOperator Preventive Maintenance ScheduleMaintenance Person TaskMaintenance PROBLEM TroubleshootingTroubleshooting Follow Pressure Relief ProceLoose sanitary clamp erly/cleanly due to imbalanceLeak in inlet or outlet sanitary fit Tighten clampService ServiceRepairing the Air Valve 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 3A Ball Check Assembly Check Valve RepairFlapper Check Assembly Service For Sanitary Ball Check pumps remove ball gasketSanitary Ball Check Assembly TI8769aDiaphragm Repair Tools Requireddiaphragm plate side high strength thread lock Sanitary Pump3A Pump shaft sideBearing and Air Gasket Removal 310622L 1590 Stainless Steel Sanitary Pumps Pump Matrix3150 Stainless Steel Sanitary Pumps Pump MatrixSanitary Diaphragm Assembly Sanitary Ball Check Valve AssemblyFlapper Check Valve Assembly Parts DrawingInlet and Outlet Parts List Parts ListPump Configuration Parts List Parts ListPart Diaphragm Material Parts ListIndicates replacement parts † Indicates a recommended spare part 3150Check Ball Material Parts List Indicates replacement parts † Indicates a recommended spare partApply a medium strength thread locker to center housing boreApply medium strength adhesive to outside screw threads and torque to 130-150 in-lbsFluid Section Parts Leak Detector and Pump Stand Parts ListAir Section Parts 3150 Conversion Kits AccessoriesAccessories 15D990 Leak DetectorModel Dimensional DrawingModel TI8778aLoctite is a registered trademark of the Loctite Corporation Technical DataSantoprene is a registered trademark of the Monsanto Co Test Conditions Pump tested in water with inlet submerged Performance Chart1590 3A Performance Chart To find Fluid Outlet PressureFlapper Check Valve Pumps 3A Ball Check Valve PumpsSanitary Ball Check Valve Pumps Model 3150 3A Performance Chart Model Graco Warranties Graco Standard Pump WarrantyExtended Product Warranty Graco Information