hdf3asl7sm-rev1218
4
• Model HDF3-A/HDF4-A
sandpiperpump
.
com
Table of Contents
SECTION 1: PUMP SPECIFICATIONS ..............1
• Explanation of Nomenclature
• Performance
• Materials
• Dimensional Drawings
SECTION 2: INSTALLATION & OPERATION ...
4
• Principle of Pump Operation
• Recommended Installation Guide
• Troubleshooting Guide
SECTION 3: EXPLODED VIEW ..........................
7
• Composite Repair Parts Drawing
• Composite Repair Parts List
• Material Codes
SECTION 4: AIR END ......................................10
• Air Distribution Valve Assembly
• Air Valve with Stroke Indicator Assembly
• Pilot Valve Assembly
• Intermediate Assembly
SECTION 5: WET END.....................................13
• Diaphragm Drawings
• Diaphragm Servicing
SECTION 7: WARRANTY & CERTIFICATES ..15
• Warranty
• EC Declaration of Conformity - Machinery
• EC Declaration of Conformity - ATEX
MODEL SPECIFIC
1: PUMP
SPECS
2: INST
AL
& OP
3: EXP
VIEW
4: AIR
END
5: WET END
6: OPTIONAL
7: W
ARRANTY
