Graco D71 User Manual

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Table of Contents
Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Repairing the Air Valve . . . . . . . . . . . . . . . . 16
Ball Check Valve Repair . . . . . . . . . . . . . . . 18
Diaphragm Repair . . . . . . . . . . . . . . . . . . . 19
Bearing and Air Gasket Removal . . . . . . . . 23
Pump Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Repair Kit Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Torque Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Dimensional Drawings . . . . . . . . . . . . . . . . . . . . . . . 33
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Performance Chart . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Technical Data and Performance Chart . . . . . . . . . . 35
Graco Standard Husky Pump Warranty . . . . . . . . . . 36
Graco Information . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Models
*NOTE: Refer to the Pump Matrix on page 26 to determine the Model No. of your pump.
NOTE: Plus Models include stainless steel center sections.
**CERTIFICATION NOTE: Acetal Pump Models D71______ and D81______ are certified:
II 2 GD
Ex h IIC 66°...135°C Gb
Ex h IIIC T135°C Db
ATEX T-code rating is dependent on the temperature of the fluid being pumped. Fluid temperature is limited by the
materials of the pump interior wetted parts. See Technical Data for the maximum fluid operating temperature for
your specific pump model.
Model No. Description
**D71______ Acetal Pumps (see certification note below)
**D81______ Acetal Pumps, Remote (see certification note below)
*D72______ Polypropylene Pumps
*D82______ Polypropylene Pumps, Remote
*D75______ PVDF Pumps
*D85______ PVDF Pumps, Remote
*DR2______ Polypropylene Plus Pumps
*DS2______ Polypropylene Plus Pumps, Remote
*DR5______ PVDF Plus Pumps
*DS5______ PVDF Plus Pumps, Remote
24B754 PVDF Plus Pump with overmolded diaphragms
24B755 Polypropylene Plus Pump with overmolded diaphragms
24B756 Polypropylene Pump with overmolded diaphragms
24B757 Polypropylene Pump with overmolded diaphragms and sst seats
24B831 PVDF Pump with overmolded diaphragms

Graco D71 Specifications

General

Brand	Graco
Model	D71
Category	Water Pump
Language	English