Graco Inc 308639L important safety instructions Instructions Parts List, Contents

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Instructions – Parts List

ALUMINUM

Huskyt3275 Air–Operated

Diaphragm Pump

308639L

ENG

3–inch pump for fluid transfer applications. For professional use only.

120 psi (0.8 MPa, 8 bar) Maximum Incoming Air Pressure 120 psi (0.8 MPa, 8 bar) Maximum Fluid Working Pressure

*Part No. DK3XXX

Part No. 232505 Private–Label Aluminum 3275 Pump (See page 20.) Part No. 24D619 Private–Label Aluminum 3275 Pump (See page 20.)

*This model is certified.

US and Foreign Patents Pending

Important Safety Instructions

Read all warning and instructions in this manual. Save these instructions.

Refer to the Pump Matrix on page 20 to determine the Part No. of your pump.

Warnings	2
Installation	4
Operation	9
Maintenance	10
Troubleshooting	11
Service	12
Pump Matrix	20
Repair Kit Matrix	21
Parts Drawing	22
Parts Lists	23
Technical Data	24
Torque Sequence	25
Dimensional Drawings	26
Performance Charts	27
Graco Standard Warranty	30	06317
Graco Standard Warranty	30
Graco Information	30

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Contents Contents Instructions Parts List308639 Equipment Misuse HazardHazardous Fluids General Information InstallationTightening Screws Before First Use Grounding Hazardous FluidsKEY FLOOR-MOUNT Typical InstallationAir Line MountingsFluid Lines Fluid Outlet LineFluid Pressure Relief Valve Changing Manifold OrientationAir Exhaust Ventilation Toxic Fluid HazardVenting Exhaust AIR Starting and Adjusting the Pump Pressure Relief ProcedureOperation Flush the Pump Before First UsePreventive Maintenance Schedule MaintenanceLubrication Flushing and StorageProblem Cause Solution TroubleshootingRepairing the Air Valve ServiceDisassembly See Fig Relieve the pressure Tools RequiredReassembly 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 BearingsHusky 3275 Pumps, Series C Pump Matrix232505, Aluminum 3275 Pump, Series C 24D619, Aluminum 3275 Pump, Series aFor Husky 3275 Pumps, Series C Repair Kit Matrix303 301 302 61 2 114 201 102 101 201* 102 Parts DrawingAir Motor Parts List Matrix Column Parts ListsFluid Section Parts List Matrix Column Digit Description QtySeat Parts List Matrix Column Technical DataBall Parts List Matrix Column Diaphragm Parts List Matrix ColumnTorque Sequence Front View Dimensional DrawingsPump Mounting Hole Pattern Side ViewFluid Outlet PRESSURE--psi MPa, bar Performance ChartsFluid Pressure Curves Air Consumption Curves AIR CONSUMPTION--scfm cubic meters/min308639 Graco Information Graco WarrantiesToll Free, 612-623-6921, 612-378-3505 Fax Graco Headquarters Minneapolis