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INSTALLATION, OPERATION & MAINTENANCE MANUAL
Horizontal Split Case Centrifugal Pumps
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
Series: 5260
Multi-Stage
83 West Drive, Bramton
Ontario, Canada L6T 2J6
Phone: (905) 457-6223
Fax: (905) 457-2650
®
Form No. 120022-Rev. D
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Summary of Contents for Crane Deming 5260 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.
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Page 2: Table Of Contents
CROSS-SECTIONS & PARTS LIST ..........14 - 16 CONSTRUCTION DETAILS .............17 WARRANTY & RETURNED GOODS ..........19 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, 12/06 Alteration Rights Reserved... -
Page 3: Safety First
Crane Pumps & Systems, Inc. is not responsible for pressures. It is recommended that a high case temperature losses, injury, or death resulting from a failure to observe switch or pressure relief valve be installed on the pump body. -
Page 4: General Information
Systems Service Department in Piqua, Ohio, telephone (937) 778-8947 or Crane Pumps & Systems Canada, Inc., Position unit on foundation and level the base plate, Bramton, Ontario, (905) 457-6223. using rectangular metal blocks and shims, or wedges having a small taper. - Page 5 4. FLEXIBLE COUPLING ALIGNMENT A fl exible coupling should not be used to compensate for misalignment of the pump and driver shafts. The purpose of the fl exible coupling is to compensate for temperature changes and to permit end movement of the shafts without ANGULAR interference with each other, while transmitting power from MISALIGNMENT...
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Page 6: Operation
There is always uneven fl ow in an elbow when it is WARNING - Coupling guards must be used to installed in any position other than a vertical position. This avoid serious injury to operating personnel. unequal fl ow allows more water to enter one side of the impeller than enters the other side causing a reduction in capacity and effi... - Page 7 Figure 3...
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Page 8: Maintenance
A pump operating under a suction lift may be primed by The following important items should be checked as pump any of the following methods, as may be best suited to the is started and placed in operation. conditions. The discharge valve should be closed during priming operation. - Page 9 2. PACKING BOX 14. Using overhead lifting device, hook onto rotating The packing glands should be adjusted occasionally to assembly with nylon straps or rope, to not scratch shaft. Remove bolts holding bearing housing to insure proper packing lubrication. A slow dripping through pump casing.
- Page 10 2. Install shaft sleeves. Be sure good hub gaskets are 20. If new casing half gaskets are to be installed, place in place on sleeves, to seal between sleeve and them onto lower half and trim to fi x. CAUTION: Do impeller.
- Page 11 32. Trim the casing half gaskets fl ush with casing at end FOOTNOTE: The rotating assembly can be adjusted by of stuffi ng box using a putty knife, fi le, etc. loosening the three bolts that holds the bearing housing to 33.
- Page 12 TABLE 1 INSTALL WASHER AND BELLOWS ASSEMBLY PUMP SHAFT Fig. 5A with Fig. 5B Be sure the sleeve (or shaft) is clean and polished smooth GROUP SHAFT BALANCED before installing new part. SLEEVE “Y” SEAL “Z” Oil sleeve (or shaft) and the thimble with light oil, to allow the washer and bellows assembly to be easily pushed into 3 x 1-1/2 x 10 1-1/8...
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Page 13: Locating Trouble
E - LOCATING TROUBLE 5. Pump Takes Too Much Power a. Speed too high - Compare Pump and motor 1. No Liquid Delivered nameplates a. Pump not primed - See Priming b. Head lower than rating - pumps too much liquid. Check system requirements b. -
Page 14: Cross-Sections & Parts List
FIG. 5260 SERIES TWO-STAGE with MECHANICAL SHAFT SEALS ITEM No. DESCRIPTION ITEM No. DESCRIPTION Lower Half Casing Bearing Cap (inboard) Upper Half Casing Bearing Cap (outboard) Impeller (1st Stage) Stuffi ng Box Bushing Impeller (2nd Stage) +*65 Mechanical Shaft Seal (Stationary Element) Pump Shaft Seal Collar Casing Ring... - Page 15 FIG. 5260 SERIES TWO-STAGE with MECHANICAL SHAFT SEALS & WATER-JACKETED BEARINGS ITEM No. DESCRIPTION ITEM No. DESCRIPTION Lower Half Casing Defl ector (Liquid) Upper Half Casing Bearing Cap (inboard) Impeller (1st Stage) Bearing Cap (outboard) Impeller (2nd Stage) Stuffi ng Box Bushing Pump Shaft +*65 Mechanical Shaft Seal (Stationary Element)
- Page 16 FIG. 5260 SERIES TWO-STAGE with PACKED STUFFING BOX & WATER-JACKETED BEARINGS ITEM No. DESCRIPTION ITEM No. DESCRIPTION Lower Half Casing Defl ector (Liquid) Upper Half Casing Bearing Cap (inboard) Impeller (1st Stage) Bearing Cap (outboard) Impeller (2nd Stage) Thrust Collar Pump Shaft Casing Gasket - Suction Side (Not Shown) Casing Ring...
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Page 17: Construction Details
2.500” 2.500” 2.812” Dia. Sleeve 1.750” 1.750” 2.000” Width of Bleed off Bushing 0.750” 0.750” 0.750” 5. Mechanical Seal Crane Type 1 (Unbalanced) 1-3/4 1-3/4 (225°F. MAX.) 6. Bearing Spacing 23.868 23.868 24.822 7. Shaft Overhang 4.250 4.250 4.625 8. Key Sizes At Coupling 1/4 sq. - Page 18 Limited 24 Month Warranty Crane Pumps & Systems warrants that products of our manufacture will be free of defects in material and workmanship under normal use and service for twenty-four (24) months after manufacture date, when installed and maintained in accordance with our instructions.This warranty gives you specifi c legal rights, and there may also be other rights which vary from state to state.
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Page 19: Warranty & 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 20 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...
- Page 21 ( ) Engineer: ____________________________ ( ) Operator: ________________________ ( ) Contractor: ____________________________ ( ) Other: ___________________________ All parties should retain a copy of this report for future trouble shooting/reference A Crane Co. Company 420 Third Street 83 West Drive, Brampton Piqua, Ohio 45356...
- Page 22 Notes...
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