Finish-thompson DB22 SERIES User Manual

DB22 SERIESASSEMBLY, INSTALLATION AND OPERATION MANUAL Literature ID No. FT08-1023H

102. Firmly grab the motor adapter and pull straight out to dis-engage the motor and pump. See figure 10. NOTE: If the pump has the optional o-ring

11Figure 19Figure 20Impeller Replacement1. To remove the impeller from the inner drive magnet, gently pry off by hand or lightly tap on the back of t

12DB22 PART NUMBER EXPLANATIONNOTE: Pump end includes wetted components, drive magnet and motor adapter; wet end includes wetted components only.Base

13DB22 EXPLODED VIEW PARTS DIAGRAM

14DB22 Spare Parts ListItem Qty DescriptionPump MaterialPolypropylene PVDF11HousingNPT threads & ceramic ring 106403 106403-1BSP threads & cer

15Item Qty DescriptionPump MaterialPolypropylene PVDF8B1Rear Motor Adapter O-Ring (NEMA motors only)Buna 106847EPDM 106848FKM10684991Outer Drive Magne

16Hardware- All DB22 ModelsItem Qty Description Stainless Steel Titanium1110Housing Bolt1065011065021210Housing Lock Washer106503 1065041310Housing Fl

17DB22 Impeller AssembliesClosed StyleThrust RingImpeller Material#1 #1A #2 #2A #2B #2C #3 #3A #3B #3C 4 #4A7.25" 7.13" 7.00" 6.88"

Excessive Power Consumption• Head lower than rating• Excessive flow• Specific gravity or viscosity too high.Vibration/Noise• Loose magnet• Drive ma

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3Note: Maintenance videos are now available on line at www.finishthompson.com.TABLE OF CONTENTSDescription Page NumberModel Number/Serial Number ...

4Model Number and Serial NumberRecord the model number and serial number below for future reference. This is important information when ordering repl

5 WARNING: Hot surfaces. This pump is capable of handling liquids with temperatures as high as 220º F (104º C). This may cause the outer areas of th

6Maximum Specific Gravity for Non-Overloading Applications3450 rpm (60 Hz)Closed Impeller DiameterMaximum Specific Gravity7.25” (184.2 mm) 1.07” (177.

7DB22 Assembly, Installation and Operation Figure 1Flange hole thread size:90 B5 = M10 x 1.5100/112 B5 = M12 x 1.75132 B5 = M12 x 1.75Torque bolts to

8o-ring (item 8B) in the groove in the motor adapter (mo-tor end). Use small amount of petroleum jelly (or silicone grease on EPDM o-rings) to help h

9Section III - Start-up and OperationStart-up and Operation1. This pump must be filled from a flooded suction tank (grav-ity) or primed with liquid fro