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Lincoln 85621, Service & Operating Manual, Page: 2 / 23

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Lincoln 85621 Service & Operating Manual Download Page 2

Summary of Contents for 85621

Page 1: ...ble Service and Conversion Kits 10 Composite Repair Parts List 11 Air Valve Assembly Drawing Parts List and Servicing 12 Actuator Plunger Servicing 13 Diaphragm Service Drawing 14 Diaphragm Servicing...

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Page 3: ...atures INTAKE DISCHARGE PIPE SIZE 1 NPT internal CAPACITY 0 to 106 gallons per minute 0 to 401 liters per minute AIR VALVE No lube no stall design SOLIDS HANDLING Up to 25 in 6mm HEADS UP TO 125 psi o...

Page 4: ...50 25 0 100 90 80 70 60 50 40 30 20 10 0 BAR PSI HEAD 1 2 3 4 5 6 7 0 30 20 10 0 9 1 6 7 6 3 4 5 1 5 NPSHR FEET METERS 100 PSI 6 8 Bar 80 PSI 5 44 Bar 60 PSI 4 08 Bar 40 PSI 2 72 Bar 20 PSI 1 36 Bar...

Page 5: ...DELS 85621 SERIES B BOTTOM VIEW FRONT VIEW METAL MUFFLER 1 NPT EXHAUST PORT SUCTION PORT 1 1 2 NPT DISCHARGE PORT 1 1 2 NPT 1 2 5 16 4 7 8 7 1 32 3 9 16 9 7 8 4 15 16 22 11 1 2 2 5 16 16 21 32 12 3 16...

Page 6: ...DE VIEW DIMENSIONAL TOLERANCE 3mm MODELS 85621 SERIES B BOTTOM VIEW FRONT VIEW METAL MUFFLER 1 NPT EXHAUST PORT SUCTION PORT 1 1 2 NPT DISCHARGE PORT 1 1 2 NPT 13 8 124 179 90 250 125 559 292 59 423 3...

Page 7: ...pressure condition To prevent damage to equipment and or personnel place a pressure relief valve in the system The pressure relief valve should be set to relieve pressure in the system at 150 psi and...

Page 8: ...ssor Filter Regulator CAUTION The air exhaust should be piped to an area for safe disposition of the product being pumped in the event of a diaphragm failure INSTALLATION GUIDE Top Discharge Ball Valv...

Page 9: ...Corrective Action Remove muffler screen clean or de ice and reinstall Refer to theAir Exhaust section of your pump SERVICE MANUAL What to Check Pumped fluid in air exhaust muffler Corrective Action D...

Page 10: ...rt up of the pump It is the responsibility of the purchaser to retain this manual for reference Failure to comply with the recommendations stated in this manual will damage the pump and void factory w...

Page 11: ...LINCOLN Model 85621 sm rev0510 Form 404160 Page 9...

Page 12: ...mposite Repair Parts Drawing 271747 WET END KIT Nitrile Diaphragms Balls and UHMW Seats 273040 AIR END KIT Seals O rings Gaskets Retaining Rings Air Valve Sleeve Spool Set Air Valve Assembly and Pilot...

Page 13: ...1 00 4 13 271792 Capscrew Flat Socket Head 7 16 14UNC x 1 25 8 14 271756 Chamber Outer 2 15 271757 Chamber Inner 2 16 271758 Diaphragm 2 18 271795 Gasket Air Valve 1 19 271796 Gasket Pilot Valve 1 20...

Page 14: ...eeded and replace with a new sleeve and spool set item 1 B Step 3 Reassembly of the air valve Install one bumper item 1 C and one end cap item 1 E with two o rings items 1 D and fasten with four hex c...

Page 15: ...if necessary Apply a light coating of grease to each o ring and re install the plungers in to the bushings Push the plungers in as far as they will go To remove the bushings item 7 first remove the r...

Page 16: ...LINCOLN Model 85621 sm rev0510 Form 404160 Page 14 Diaphragm Service Drawing...

Page 17: ...e diaphragm rod and make sure the radius on the inner diaphragm plate is towards the diaphragm as indicated on the diaphragm servicing illustration Thread the assembly onto the diaphragm rod leaving l...

Page 18: ...sembly of the pilot valve Generously lubricate outside diameter of the sleeve and o rings Then carefully insert sleeve into valve body Take CAUTION when inserting sleeve not to shear any o rings Insta...

Page 19: ...6 wrench or socket to remove the fasteners Once the manifold is removed the check valve components can be seen Inspect the check balls items 2 for wear abrasion or cuts on the spherical surface The ch...

Page 20: ...Reducing the pipe size will restrict air flow and reduce pump performance When the pumped product source is at a higher level than the pump flooded suction condition pipe the exhaust higher than the p...

Page 21: ...o reduce the risk of static electrical sparking this pump must be grounded Check the local electrical code for detailed grounding instruction and the type of equipment required Grounding The Pump Take...

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