Finish Thompson DB11 series Assembly, Installation And Operation Manual
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Finish Thompson DB11 series Assembly, Installation And Operation Manual

Centrifugal pumps
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Summary of Contents for Finish Thompson DB11 series

  • Page 2 EU Declaration of Conformity Finish Thompson Inc. hereby declares that the following machine(s) fully comply with the applicable health and safety requirements as specified by the EU Directives listed. The product may not be taken into service until it has been established that the drive motor for the centrifugal pump complies with the provisions of all relevant EU Directives.
  • Page 3 Atmosphere Group IIC/IIIC category 2 areas. This declaration applies to Finish Thompson, Inc ATEX DB Series pumps only manufactured out of carbon fiber filled PVDF with a conductive motor adapter and non-sparking ring designated by the letter “V” and “A” in the model number.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS Description Page Number Important Information ......................5 Chemical Reaction Disclaimer ....................5 Safety Precautions ......................... 5 Installation/Operation Precautions ..................6 ATEX Safety Precautions ......................6-7 DB11/15 Capabilities ......................7 DB11/15 OIM Section I - Assembly ..................8 DB11/5 OIM Section II - Installation..................9 DB11/15 OIM Section III - Start-up and Operation ..............

  • Page 5: Important Information

    U.S. Bureau of Industry and Security (BIS). This affects all Finish Thompson magnetic-drive pumps constructed from PVDF or lined with ETFE. Please contact the BIS (www.bis.doc.gov) or Finish Thompson with questions regarding the Regulations or a list of the countries to which they apply.

  • Page 6: Installation/Operation Precautions

    You must select an explosion-proof FTI motor or provide your own explosion-proof motor. 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 the pump to become hot as well and could cause burns. WARNING: Rotating Parts.

  • Page 7: Db11/15 Capabilities

    Temperature Classification The surface temperature of the DB Series pumps depends upon the temperature of the fluid that is being pumped. The following chart lists different fluid temperatures and the corresponding pump surface temperature. Fluid Maximum Surface Temperature Maximum Allowable Temperature Temperature Class...

  • Page 8: Db11/15 Oim Section I - Assembly

    DB11/15 ASSEMBLY, INSTALLATION & OPERATION Note: Apply anti-seize compound on threads of the bolts Unpacking and Inspection Unpack the pump and examine for any signs of shipping damage. 4. Coat the motor shaft with If damage is detected, save the packaging and notify the carrier anti-seize compound.

  • Page 9: Db11/5 Oim Section Ii - Installation

    Section II - Installation 7. For NEMA 56C and 145TC frame motors: Install o-ring (item 8E) in the groove on the back of the Mounting motor adapter (item 8D). Use petroleum jelly to hold the o-ring in place during installation. Note: 184TC and metric Pump foot should be securely fastened to a solid foundation.

  • Page 10: Db11/15 Oim Section Iii - Start-Up And Operation

    • FTI advises installing a flush system in the piping to allow Do not attempt to adjust the flow with the suction valve. the pump to be flushed before it is removed from service. 5. Use of a power monitor is strongly recommended for pumps NOTE: The pump is provided with a provision for a with ceramic, PTFE or silicon carbide bushings.

  • Page 11: Db11/15 Oim Section V - Disassembly

    Section V - Disassembly tors 3 HP (2.2 kW) or larger, place the pump and motor on the floor. Remove the (4) bolts, lock washers and flat washers (items 15,16,17) securing the pump to the mo- tor. See figure 9. Make sure the motor is on the fan end WARNING: Rotating Parts.
  • Page 12 Check the impeller thrust ring and bushing for wear. See figure 16. Figure 19 3. To reinstall the drive or a new drive follow the instructions from Section I - Assembly, Pumps without Motors, steps 4-6. Figure 16 Thrust Ring Replacement 6.

  • Page 13: Db11/15 Oim Section Vi - Reassembly

    Impeller Replacement Caution: Do not damage the outer surface of the inner drive magnet during impeller replacement. Using the two slots provided, insert a flat blade screw driver into them and pry the impeller (items 4, 4A) up from the body of the inner drive magnet (items 5, 5A).
  • Page 14 7. Install o-ring (item 2). See figure 8. Install impeller shaft (item 6) into barrier by aligning the flats on the shaft with the ones in the barrier. Make sure it is completely seated. See figure 39. Figure 39 9. Carefully install the impeller/inner drive assembly (items 4, 4A, 5, 5A) by sliding it over the impeller shaft in the barrier.

  • Page 15: Part Number Explanation

    PART NUMBER EXPLANATION 1. Select Base Model (Example: DB11P) * 2. If Standard Components aren’t suitable, enter symbol(s) of alternative components in any order. Base Model - DB11P - E - U - 14 (Example: DB11P-E-U-14 is a DB11P with EPDM o-ring, unions and 145TC motor adapter.) 3.

  • Page 16: Db11/15 Oim Exploded View - Parts Drawing

    DB11 / DB15 Exploded View - Parts Diagram...

  • Page 17: Db11/15 Oim Parts Table

    DB11/15 Spare Parts List DB11 DB15 Item Qty Description Pump Material Pump Material Polypro PVDF Polypro PVDF Standard Housing with Ring NPT threads & standard alumina ceramic ring 105688-1 105688-3 105739-1 105739-3 BSP threads & standard alumina ceramic ring 105688-5 105688-7 105739-5 105739-7...
  • Page 18 DB11/15 Spare Parts List - cont. DB11 DB15 Item Qty Description Pump Material Pump Material Polypro PVDF Polypro PVDF Motor Adapter Kits (includes items 8A - 8E plus hardware) Standard motor adapter - all frame sizes 107405 107406 107405 107406 Standard motor adapter w/ non-sparking ring - all frame sizes 107407 107408...
  • Page 19 DB11/15 Spare Parts List - cont. DB11 DB15 Item Description Pump Material Pump Material Polypro PVDF Polypro PVDF Motor Adapter Flange 182/184TC frame 105751-1 105751-2 105751-1 105751-2 80 frame B14 105724-1 105724-2 105724-1 105724-2 90 frame B14 105725-1 105725-2 105725-1 105725-2 100/112 frame B14 105726-1...
  • Page 20 HARDWARE - ALL DB11-15 MODELS Item Description Stainless Steel Titanium Housing Bolt 105755 105756 Housing Lockwasher 105757 105758 Housing Flat Washer 105722 105773 Motor Adapter Bolt All frames except 100/112 B5 J103118 105752 100/112 B5 frames only J100114 106311 Motor Adapter Lockwashers J100115 J104206 Motor Adapter Flatwashers...

  • Page 21: Db11/15 Oim Section Vii - Troubleshooting

    Leak in suction piping • Foot valve or suction opening not submerged enough Thank you for your purchase of this quality Finish Thompson product. Be sure to take a minute to register your pump at • Foot valve too small or leaking Finishthompson.com/warranty.
  • Page 22 Part Number 107403 R18, 1/10/2018 Order fax: 814-459-3460 Tech Service: 800-888-3743...

This manual is also suitable for:

Db15 series

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