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Crane DEMING 4111 Series Installation, Operation & Maintenance Manual

End-suction centrifugal pumps
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INSTALLATION, OPERATION & MAINTENANCE MANUAL
IMPORTANT!
Read all instructions in this manual before operating pump.
As a result of Crane Pumps & Systems, Inc., constant product improvement program,
product changes may occur. As such Crane Pumps & Systems reserves the right to
change product without prior written notifi cation.
A Crane Co. Company
420 Third Street
Piqua, Ohio 45356
Phone: (937) 778-8947
Fax: (937) 773-7157
www.cranepumps.com
Manual Index
DEMING
DEMING
End-suction Centrifugal Pumps
Series: 4111, 4121
®
4121H
83 West Drive, Bramton
Ontario, Canada L6T 2J6
Phone: (905) 457-6223
Fax: (905) 457-2650
Form No. 120004-Rev. G

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Summary of Contents for Crane DEMING 4111 Series

  • Page 1 Read all instructions in this manual before operating pump. As a result of Crane Pumps & Systems, Inc., constant product improvement program, product changes may occur. As such Crane Pumps & Systems reserves the right to change product without prior written notifi cation.

  • Page 2: Safety First

    (fl ammable, caustic, etc.) unless the pump is specifi cally designed and designated to handle them. Other brand and product names are trademarks or registered trademarks of their respective holders. Deming® is a registered trademark of Crane Pumps & Systems, Inc. 1996, 10/06 Alteration Rights Reserved...

  • Page 3: A) General Information

    Systems Service Department in Piqua, Ohio, telephone 2. Place pumping unit on foundation with bolts, of the (937) 778-8947 or Crane Pumps & Systems Canada, Inc., proper size, imbedded in the concrete. A pipe sleeve, Bramton, Ontario, (905) 457-6223.
  • Page 4 Level sub-base, to give a space of about 3/4” for grouting, using rectangular metal blocks and shims, or wedges having a small taper as shown in Figure 2. ANGULAR MISALIGNMENT Figure 2. Adjusting Wedges for Mounting 3. Align the pump and motor shafts at the fl exible coupling. Hold a straight edge on the top of the coupling so that it extends over both halves.

  • Page 5: General Maintenance And Repair

    GENERAL MAINTENANCE AND REPAIR 7. After pipes have been connected to pump, check alignment at drive coupling. Correct any changes with metal shims as in section “C”. E - PROPER ADJUSTMENT OF IMPELLER 8. Check motor nameplate for electrical characteristics. Be sure they are the same as the rating of the electrical 1.
  • Page 6 H - FOR INSPECTION AND REPAIR OF I - TO INSPECT OR REPLACE BALL LIQUID END BEARINGS ON SHAFT 1. Remove suction head cap screws (215), then set a block 1. Dismantle liquid end of pump as described in section “H” of wood against the fi...
  • Page 7 K - REASSEMBLY OF LIQUID END M - TO REPLACE SINGLE MECHANICAL SEAL Refer to Figure 5. 1. If stuffi ng box head (11) was removed, place stuffi ng box NOTE: Seals are available as a complete assembly only. head over shaft in manner shown with slots for bolts and nuts on the horizontal centerline.
  • Page 8 5. Insert casing cap screws (215) through holes in support 2. To remove the seal assembly, dismantle the liquid end of head and seal head and position gasket (73) on seal the pump as described in Section “H”, then unscrew head.
  • Page 9 O - LOCATING TROUBLE 4. Pump Works for a while, then Quits a. Leaky suction line 1. No Liquid Delivered b. Suction plugged a. Wrong direction of rotation c. Suction lift too high, over 15 feet (check with b. Speed too low - Check with revolution counter vacuum gauge) c.
  • Page 10 Item No. Name of Part Item No. Name of Part Item No. Name of Part Casing Impeller Key Cap Screw Impeller Bearing Cover (Outboard) Drive Screw Pump Shaft * 38 Shaft Gasket Sleeve Cap Screws Suction Cover Defl ector Pipe Plug Packing Box Cover Coupling Key Lockwasher...

  • Page 12: Returned Goods

    Crane Pumps & Systems, Inc. Distributor. RETURNED GOODS RETURN OF MERCHANDISE REQUIRES A “RETURNED GOODS AUTHORIZATION”. CONTACT YOUR LOCAL CRANE PUMPS & SYSTEMS, INC. DISTRIBUTOR. Products Returned Must Be Cleaned, Sanitized, Or Decontaminated As Necessary Prior To Shipment, To Insure That Employees Will Not Be Exposed To Health Hazards In Handling Said Material.
  • Page 13 A Crane Co. Company START-UP REPORT General Information Pump Owner’s Name: __________________________________________________________ Address: ____________________________________________________________________ Location of Installation: _________________________________________________________ Contact Person: __________________________________Phone: _______________________ Purchased From: _____________________________________________________________ Nameplate Data Pump Model #: ___________________ Serial #: _____________________________________ Part #: __________________________ Impeller Diameter: ____________________________ Voltage: _________ Phase: _____ Ø...

This manual is also suitable for:

Deming 4121 seriesDeming 4121h series