Lincoln 85621, Service & Operating Manual, Page: 1 / 23

LINCOLN Model 85621 sm-rev0510
LINCOLN • One Lincoln Way, St. Louis, MO 63120-1578 • Customer Service (314) 679-4200
Engineering Data and Temperature Limitations .................................................... 1
Performance Curve ............................................................................................... 2
Dimensions ........................................................................................................... 3
Metric Dimensions ................................................................................................ 4
Principle of Pump Operation.................................................................................. 5
Installation and Start-Up ........................................................................................ 5
Air Supply .............................................................................................................. 5
Air Valve Lubrication .............................................................................................. 5
Air Line Moisture.................................................................................................... 5
Air Inlet and Priming .............................................................................................. 5
Between Uses ....................................................................................................... 5
Installation Guide ................................................................................................... 6
Troubleshooting ..................................................................................................... 7
Warranty ................................................................................................................ 7
Recycling ............................................................................................................... 8
Important Safety Information ................................................................................. 8 Composite Repair Parts Drawing ........................................................................ 10
Available 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 ........................................................................................... 15
Pilot Valve Drawing, Parts List and Servicing ...................................................... 16
Check Valve Servicing ......................................................................................... 17
Check Valve Drawing .......................................................................................... 17
Pumping Hazardous Liquids................................................................................ 18
Converting Pump for Piping Exhaust Air ............................................................. 18
Converted Exhaust Illustration............................................................................. 18
Grounding the Pump ........................................................................................... 19
ATEX Declaration of Conformity .......................................................................... 20
CE Declaration of Conformity .............................................................................. 21
SERVICE & OPERATING MANUAL
Model 85621 Series B
Table of Contents
U.S. Patent #
5,996,627
Other U.S. Patents
Applied for
II 2GD T5
1½" Aluminum Air-Operated Double Diaphragm Pump
Form # 404160
Section - B5
Page - 25B