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Table of Contents
Models 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Warnings 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Symbols 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service
Repairing the Air Valve 14. . . . . . . . . . . . . . . . . . . . . .
Ball Check Valve Repair 16. . . . . . . . . . . . . . . . . . . . .
Diaphragm Repair 17. . . . . . . . . . . . . . . . . . . . . . . . . .
Bearing and Air Gasket Removal 20. . . . . . . . . . . . .
Pump Matrix 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Repair Kit Matrix 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Torque Sequence 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions 29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Data 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Performance Chart 31. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Graco Warranties 32. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Graco Information 32. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Models
Model No. Description
*DB3______ Aluminum Pumps
*DC3______ Aluminum Pumps, Remote
*DB4______ Stainless Steel Pumps
*DC4______ Stainless Steel Pumps, Remote
*DBC______ Aluminum BSPT Pumps
*DCC______ Aluminum BSPT Pumps, Remote
*DBD______ Stainless Steel BSPT Pumps
*DCD______ Stainless Steel BSPT Pumps, Remote
*DT4______ Stainless Steel Plus Pumps
*DU4______ Stainless Steel Plus Pumps, Remote
*DTD______ Stainless Steel BSPT Plus Pumps
*DUD______ Stainless Steel BSPT Plus Pumps, Remote
253485 Aluminum Pump
232502 Private–Label Aluminum Pump
24B780 Stainless Steel Plus Pump with overmolded diaphragms
24B781 Stainless Steel Pump with overmolded diaphragms
24G411 Aluminum BSPT Pump with overmolded diaphragms
24J358 Aluminum Pump with overmolded diaphragms
24J359 Aluminum Pump with overmolded diaphragms
* Refer to the Pump Matrix on page 22 to determine the Model No. of your pump.
NOTE: Plus Models include stainless steel center sections.