Table of Contents
Warnings, Dangers and Cautions ............................................................................................................. 4
Model Designation Matrix and Repair Kits - Bolted Plastic .................................................................. 5
Principles of Operation .............................................................................................................................. 6
Dimensional Drawings .............................................................................................................................. 7
2” Pump Dimensions - Bolted Plastic ...................................................................................................... 7
Performance Curves .................................................................................................................................. 8
Installation, Troubleshooting and Maintenance .................................................................................... 9
Suggested Installation ............................................................................................................................ 10
Troubleshooting .......................................................................................................................................11
Operation ................................................................................................................................................12
Maintenance ...........................................................................................................................................12
Maintenance Schedule ..........................................................................................................................12
Repair and Assembly ...............................................................................................................................13
Pump Wet End Removal .........................................................................................................................13
Pump Wet End Assembly ........................................................................................................................14
Repair and Assembly ...............................................................................................................................15
Air Valve Removal ....................................................................................................................................15
Air Valve Assembly ..................................................................................................................................16
Repair and Assembly ............................................................................................................................... 17
Pilot Valve Removal .................................................................................................................................17
Torque Specification Chart
.....................................................................................................................18
Pilot Valve Assembly ...............................................................................................................................18
Exploded Views & Parts Lists .................................................................................................................19
Exploded View - LI20-FP*-****-*** Bolted Plastic .............................................................................19
Parts list - LI20-FP*-****-*** Bolted Plastic ......................................................................................20
Parts list - LI20-FP*-****-*** Bolted Plastic (cont.) ..........................................................................21
Elastomers .............................................................................................................................................. 22
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Operation & Maint
enance Ins
tructions
AODD: 2” Air Operat
ed Double Diaphragm Pum
p
