Graco Inc 308639L important safety instructions Diaphragm Repair

Page 15

Service

Diaphragm Repair

Tools Required

DTorque wrench

D15-mm socket wrench

D15/16-in. socket wrench

D7/8 in. open–end wrench

DO-ring pick

DLithium-base grease, Part No. 111920 (Lubriplate 630AA or equivalent)

154

NOTE: A Fluid Section Service Kit is available. See the Repair Kit Matrix on page 21 to find the correct kit for your pump. Parts included in the kit are marked with an asterisk in the Parts Drawing on page 22, for example (201*). Use all the parts in the kit for the best results.

54 1

1Torque to 55 to 60 ft-lb (75 to 81 NSm) in a crossing pattern. See Torque Sequence, page 25.

Fig. 7

06326

308639 15

Image 15

Contents Contents Instructions Parts List308639 Equipment Misuse HazardHazardous Fluids Hazardous Fluids InstallationGeneral Information Tightening Screws Before First Use GroundingKEY FLOOR-MOUNT Typical InstallationFluid Outlet Line MountingsAir Line Fluid LinesToxic Fluid Hazard Changing Manifold OrientationFluid Pressure Relief Valve Air Exhaust VentilationVenting Exhaust AIR Flush the Pump Before First Use Pressure Relief ProcedureStarting and Adjusting the Pump OperationFlushing and Storage MaintenancePreventive Maintenance Schedule LubricationProblem Cause Solution TroubleshootingTools Required ServiceRepairing the Air Valve Disassembly See Fig Relieve the pressureReassembly Ball Check Valve Repair Diaphragm Repair Removing and Replacing Bearings and Air Gasket on Disassembly Relieve the pressure302 301 Removing and Replacing Bearings and Air Gasket See Fig Through hole must be on bottom Detail of Bearings24D619, Aluminum 3275 Pump, Series a Pump MatrixHusky 3275 Pumps, Series C 232505, Aluminum 3275 Pump, Series CFor Husky 3275 Pumps, Series C Repair Kit Matrix303 301 302 61 2 114 201 102 101 201* 102 Parts DrawingDigit Description Qty Parts ListsAir Motor Parts List Matrix Column Fluid Section Parts List Matrix ColumnDiaphragm Parts List Matrix Column Technical DataSeat Parts List Matrix Column Ball Parts List Matrix ColumnTorque Sequence Side View Dimensional DrawingsFront View Pump Mounting Hole PatternPerformance Charts Fluid Outlet PRESSURE--psi MPa, barFluid Pressure Curves Air Consumption Curves AIR CONSUMPTION--scfm cubic meters/min308639 Graco Headquarters Minneapolis Graco WarrantiesGraco Information Toll Free, 612-623-6921, 612-378-3505 Fax