Graco 3D150 important safety instructions Repair the Shaft and Bearings

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Repair the Shaft and Bearings

Parts marked with a () are included in Shaft repair kit 233841. For the best results, use all parts in the repair kit.

Parts marked with a () are included in Bearing repair kit 15J647.

Disassembly

1.Remove the diaphragms. See page 13.

2.Disassemble the air valve. See page 16.

3.Remove the housing (54).

Sleeve clamp (6) is visible inside the air valve cavity. Spread the sleeve clamp (6) with pliers DIN 5254A, nominal size 19, and at the same time, slide the shaft assembly (7) out from the end where housing (54) was removed.

The valve carriage (5) will remain free inside the diaphragm housing.

Repair

4. Remove clip (42) and bearing (3).

Reassembly

1.Replace o-ring (2) in bearing, lubricate internal o-rings.

2.Install new bearing (3) and clip (42) inside housing (54).

3.Insert shaft assembly (7) into diaphragm housing (1) through the valve carriage, spreading the sleeve clamp to allow full insertion. Be careful to release sleeve clamp (6) in the correct location along the shaft to engage it in all three grooves.

4.Reinstall the housing (54).

5.Replace o-rings on the carriage, air valve plate, and plugs and reinstall the air valve section. (See page 16.)

6.Replace the diaphragms (page 13).

7.Replace the ball check seals (29) (page 20) and reinstall the fluid covers.

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311688D

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Contents Triton 3D150 Diaphragm Pump II 2 GContents Equipment Misuse Hazard Toxic Fluid Hazard Installation General InformationTightening Threaded Fasteners Before First Use Mounting the Pump Mounting the PumpAir Line Fluid Suction LineFluid Outlet Line Typical Installation KeyGrounding Ground all of this equipmentOperation Pressure Relief ProcedureStarting and Adjusting the Pump Flushing the Pump Before First UseLubrication MaintenancePreventive Maintenance Schedule Flushing and StorageTroubleshooting Problem Cause SolutionPrepare the Pump for Repair Fault IndicationsRepair General Repair NotesDisassembly Replace the DiaphragmsReplace the Diaphragms Reassembly Repair the Air ValveRepair the Air Valve Repair the Shaft and Bearings Repair the Shaft Replace the Ball Check Valves Replace the Ball Check Valves Parts Part No , Series B Part No , Series BPart No BSPP, Series B Part No NPT, Series B DescriptionTechnical Data Category DataPerformance Chart Dimensions DimensionsDimensions 311688D Graco Standard Warranty Graco InformationToll Free

3D150 specifications

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