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A Crane Co. Company

420 Third Street 

83 West Drive, Brampton

Piqua, Ohio 45356 

Ontario, Canada L6T 2J6

Phone: (937) 778-8947 

Phone: (905) 457-6223

Fax: (937) 773-7157 

Fax: (905) 457-2650

www.cranepumps.com

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. In the event the product is covered by the Federal Consumer Product Warranties Law 
(1) the duration of any implied warranties associated with the product by virtue of said law is limited to the same 
duration as stated herein, (2) this warranty is a LIMITED WARRANTY, and (3) no claims of any nature whatsoever 
shall be made against us, until the ultimate consumer, his successor, or assigns, notifi es us in writing of the defect, 
and delivers the product and/or defective part(s) freight prepaid to our factory or nearest authorized service station. 
Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply. 

THE SOLE AND EXCLUSIVE REMEDY FOR BREACH OF ANY AND ALL WARRANTIES WITH RESPECT TO ANY 
PRODUCT SHALL BE TO REPLACE OR REPAIR AT OUR ELECTION, F.O.B. POINT OF MANUFACTURE OR 
AUTHORIZED REPAIR STATION, SUCH PRODUCTS AND/OR PARTS AS PROVEN DEFECTIVE. THERE SHALL BE 
NO FURTHER LIABILITY, WHETHER BASED ON WARRANTY, NEGLIGENCE OR OTHERWISE.

 Unless expressly 

stated otherwise, guarantees in the nature of performance specifi cations furnished in addition to the foregoing material 
and workmanship warranties on a product manufactured by us, if any, are subject to laboratory tests corrected for 
fi eld performance. Any additional guarantees, in the nature of performance specifi cations must be in writing and such 
writing must be signed by our authorized representative. Due to inaccuracies in fi eld testing if a confl ict arises between 
the results of fi eld testing conducted by or for user, and laboratory tests corrected for fi eld performance, the latter 
shall control. 

RECOMMENDATIONS FOR SPECIAL APPLICATIONS OR THOSE RESULTING FROM SYSTEMS 

ANALYSES AND EVALUATIONS WE CONDUCT WILL BE BASED ON OUR BEST AVAILABLE EXPERIENCE AND 
PUBLISHED INDUSTRY INFORMATION. SUCH RECOMMENDATIONS DO NOT CONSTITUTE A WARRANTY OF 
SATISFACTORY PERFORMANCE AND NO SUCH WARRANTY IS GIVEN.

This warranty shall not apply when damage is caused by (a) improper installation, (b) improper voltage (c) lightning 
(d) excessive sand or other abrasive material (e) scale or corrosion build-up due to excessive chemical content. Any 
modifi cation of the original equipment will also void the warranty. We will not be responsible for loss, damage or labor 
cost due to interruption of service caused by defective parts. Neither will we accept charges incurred by others without 
our prior written approval.
This warranty is void if our inspection reveals the product was used in a manner inconsistent with normal industry practice 
and\or our specifi c recommendations. The purchaser is responsible for communication of all necessary information 
regarding the application and use of the product. 

UNDER NO CIRCUMSTANCES WILL WE BE RESPONSIBLE FOR 

ANY OTHER DIRECT OR CONSEQUENTIAL DAMAGES, INCLUDING BUT NOT LIMITED TO TRAVEL EXPENSES, 
RENTED EQUIPMENT, OUTSIDE CONTRACTOR FEES, UNAUTHORIZED REPAIR SHOP EXPENSES, LOST 
PROFITS, LOST INCOME, LABOR CHARGES, DELAYS IN PRODUCTION, IDLE PRODUCTION, WHICH DAMAGES 
ARE CAUSED BY ANY DEFECTS IN MATERIAL AND\OR WORKMANSHIP AND\OR DAMAGE OR DELAYS IN 
SHIPMENT. THIS WARRANTY IS EXPRESSLY IN LIEU OF ANY OTHER EXPRESS OR IMPLIED WARRANTY, 
INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE

.

No rights extended under this warranty shall be assigned to any other person, whether by operation of law or otherwise, 
without our prior written approval.

Summary of Contents for Deming 5260 Series

Page 1: ...mps Systems reserves the right to change product without prior written notification 420 Third Street 83 West Drive Bramton Piqua Ohio 45356 Ontario Canada L6T 2J6 Phone 937 778 8947 Phone 905 457 6223 Fax 937 773 7157 Fax 905 457 2650 www cranepumps com Form No 120022 Rev D Series 5260 Multi Stage DEMING DEMING INSTALLATION OPERATION MAINTENANCE MANUAL Horizontal Split Case Centrifugal Pumps Manua...

Page 2: ... INFORMATION 4 Receiving Storage Service Centers B INSTALLATION 4 6 Location Foundation Mounting Alignment Grouting Piping Wiring Rotation C OPERATION 6 8 Priming Starting Adjustment D MAINTENANCE 8 12 Lubrication Packing Box Disassembly Reassembly Double Wear Ring Impellers Change Rotation Seal Replacement Type 1 Installation E LOCATING TROUBLE 13 CROSS SECTIONS PARTS LIST 14 16 CONSTRUCTION DETA...

Page 3: ... not wear loose clothing that may become entangled in moving parts WARNING Keep clear of suction and discharge openings DO NOT insert fingers in pump with power connected Always wear eye protection when working on pumps Make sure lifting handles are securely fastened each time before lifting DO NOT operate pump without safety devices in place Always replace safety devices that have been removed du...

Page 4: ...ramton Ontario 905 457 6223 B INSTALLATION 1 LOCATION The pump should be installed as near the source of liquid as possible with a minimum of piping on the suction side of the pump The discharge piping should be as direct as possible with a minimum of fittings to lower friction loss The unit should be installed with adequate head room and a maximum area for inspection and service The installation ...

Page 5: ...ment check is made by inserting a taper gauge or feelers between the coupling faces at 90 degree intervals around the coupling The unit will be in angular alignment when the coupling faces are exactly the same distance apart at all points See Figure 2 Parallel alignment check is made by placing a straight edge across both coupling rims at the top bottom and at both sides The unit will be in parall...

Page 6: ...on to reduce unequal flow into the pump which may cause cavitation in the pump See Figure 3 There is always uneven flow in an elbow when it is installed in any position other than a vertical position This unequal flow allows more water to enter one side of the impeller than enters the other side causing a reduction in capacity and efficiency This condition may also cause cavitation which would be ...

Page 7: ...7 Figure 3 ...

Page 8: ...e of a valve in the suction line WARNING Operating the pump with a closed discharge valve can result in excessive heat build up and should be limited to the shortest practical duration Operating the pump at close to shut off head usually places greater bending strains on the shaft than at operating points near the best efficiency The following important items should be checked as pump is started a...

Page 9: ...1 Set top half out of the way on a piece of cardboard or wood taking care not to scratch gasket surface 12 Place casing gasket as well as all other gaskets in water to keep them from drying out and shrinking 13 Check seal setting distance from machined surface at the end of the stuffing box area to the seal collar This will need to be known to reset collar in the proper position if disassembly req...

Page 10: ...cap 18 Repeat Steps 13 14 and 16 19 Install pump coupling hub and key 20 If new casing half gaskets are to be installed place them onto lower half and trim to fix CAUTION Do Not cut gasket at end of stuffing box in the seal cap area 21 Place rotating assembly into lower case making sure to fit holes in case wear rings on roll pins in lower case half Keep seal cap gaskets next to seal cap to not te...

Page 11: ...ng sleeve adjust and align coupling Refer to alignment procedure section 40 Install coupling guard 41 Turn power to pump on Start and run pump TORQUE REQUIREMENTS SIZE FOOT POUNDS 3 8 16 1 2 13 5 8 11 3 4 10 7 8 9 1 8 21 7 43 5 86 0 152 0 222 0 307 0 FOOTNOTE The rotating assembly can be adjusted by loosening the three bolts that holds the bearing housing to lower case half on one end or the other...

Page 12: ...arbon sealing washer or ceramic floating seat drop or fall Take particular care not to scatch the lapped faces on the sealing washer and floating seat INSTALL WASHER AND BELLOWS ASSEMBLY Be sure the sleeve or shaft is clean and polished smooth before installing new part Oil sleeve or shaft and the thimble with light oil to allow the washer and bellows assembly to be easily pushed into position Fig...

Page 13: ...o defective shaft packing g Air leak through stuffing box when operating with high vacuum or high suction lift Install recirculation piping or pressurize from outside liquid source 5 Pump Takes Too Much Power a Speed too high Compare Pump and motor nameplates b Head lower than rating pumps too much liquid Check system requirements c Liquid specific gravity or viscosity greater than expected Requir...

Page 14: ...g outboard 38 Shaft Sleeve Gasket 40 Deflector Liquid ITEM No DESCRIPTION 41 Bearing Cap inboard 43 Bearing Cap outboard 63 Stuffing Box Bushing 65 Mechanical Shaft Seal Stationary Element 68 Seal Collar 72 Thrust Collar 73 Casing Gasket Suction Side Not Shown 73A Casing Gasket Discharge Side Not Shown 73D Gasket Seal Cap 80 Mechanical Shaft Seal Rotating Element 109 Interstage Diaphragm 127A Seal...

Page 15: ...ler Key 33 Bearing Housing Water Jacketed outboard 38 Shaft Sleeve Gasket ITEM No DESCRIPTION 40 Deflector Liquid 41 Bearing Cap inboard 43 Bearing Cap outboard 63 Stuffing Box Bushing 65 Mechanical Shaft Seal Stationary Element 68 Seal Collar 72 Thrust Collar 73 Casing Gasket Suction Side Not Shown 73A Casing Gasket Discharge Side Not Shown 73D Gasket Seal Cap 80 Mechanical Shaft Seal Rotating El...

Page 16: ...utboard 20 Shaft Sleeve Nut 29A Seal Cage 31 Bearing Housing inboard 32 Impeller Key 33 Bearing Housing outboard 38 Shaft Sleeve Gasket ITEM No DESCRIPTION 40 Deflector Liquid 41 Bearing Cap inboard 43 Bearing Cap outboard 72 Thrust Collar 73 Casing Gasket Suction Side Not Shown 73A Casing Gasket Discharge Side Not Shown 127A Seal Piping 192 Retaining Ring Bearing Furnished ONLY in pairs as comple...

Page 17: ... Bore of Box Dia of Sleeve Width of Seal Cage 5 000 0 375 3 062 2 500 1 750 0 750 5 000 0 375 3 062 2 500 1 750 0 750 5 000 0 375 3 062 2 812 2 000 0 750 4 Packing Box Second Stage No of Rings with Bleedoff Bushing Size Packing Sq Depth of Bore Bore of Box Dia Sleeve Width of Bleed off Bushing 5 000 0 375 3 062 2 500 1 750 0 750 5 000 0 375 3 062 2 500 1 750 0 750 5 000 0 375 3 062 2 812 2 000 0 7...

Page 18: ...formance specifications must be in writing and such writing must be signed by our authorized representative Due to inaccuracies in field testing if a conflict arises between the results of field testing conducted by or for user and laboratory tests corrected for field performance the latter shall control RECOMMENDATIONS FOR SPECIAL APPLICATIONS OR THOSE RESULTING FROM SYSTEMS ANALYSES AND EVALUATI...

Page 19: ...nt To Insure That Employees Will Not Be Exposed To Health Hazards In Handling Said Material All Applicable Laws And Regulations Shall Apply IMPORTANT WARRANTY REGISTRATION Your product is covered by the enclosed Warranty To complete the Warranty Registration Form go to http www cranepumps com ProductRegistration If you have a claim under the provision of the warranty contact your local Crane Pumps...

Page 20: ...__ Type _________________________________ Number and size of short circuit device s ___________ Amp rating ___________________ Overload Type _____________ Size ______________ Amp rating ___________________ Do protection devices comply with pump and motor Amp rating YES___ NO___ Are all electrical and panel entry connections tight YES___ NO___ Is the interior of the panel dry YES___ NO___ Liquid le...

Page 21: ...s installed away from turbulence YES___ NO___ Is level control operating properly YES___ NO___ Is pump fully submerged during operation YES___ NO___ Follow up Corrective Action Required YES___ NO___ Additional Comments ____________________________________________________________________________ ____________________________________________________________________________ ___________________________...

Page 22: ...Notes ...

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