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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 4201 Series

Page 1: ...such Crane Pumps 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 120005 Rev D Series 4201 4211 4221 DEMING DEMING INSTALLATION OPERATION MAINTENANCE MANUAL MotorMount Centrifugal Pumps ...

Page 2: ... Receiving Storage Service Centers B INSTALLATION 4 5 Foundation Piping Wiring Rotation C OPERATION 5 Starting Priming D MAINTENANCE 6 Lubrication Packing Single Seal Double Seal Proper Adjustment of Stuffing Box E REPAIR 6 9 Disassembly of Liquid End Reassembly of Liquid End Repacking Standard Stuffing Box Replace Single Mechanical Seal Replace Double Mechanical Seal F LOCATING TROUBLE 9 CROSS SE...

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: ...e location of the nearest Deming Service Center check your Deming representative or Crane Pumps Systems Service Department in Piqua Ohio telephone 937 778 8947 or Crane Pumps Systems Canada Inc Bramton Ontario 905 457 6223 B INSTALLATION 1 FOUNDATION The Motor Mount pumps can be installed on any sufficiently soild foundation since pump and motor are rigidly aligned The unit may be installed on a c...

Page 5: ...e shaft and motor than operation at the designed flow rate and head h Suction valve if used must be fully open Do not use suction valve as a throttling device i Pump fully primed Only after these items have been checked should the pump be started 2 PRIMING CAUTION Before starting the pump the casing and suction line must be filled with liquid and air vented through the vent pipe plugs The pump mus...

Page 6: ... THESE TASKS Be sure that no one can accidentally restore power while the pump is being serviced 1 DISASSEMBLY OF LIQUID END The following procedure is for the complete disassembly of the pump If complete disassembly is not necessary use only those steps which apply a Slowly remove drain plug 37 Disconnect suction and discharge pipes b Remove suction head capscrews 9 then set a block of wood again...

Page 7: ... into place Turn shaft again by hand e Place lantern ring 19 in next f Position and seat the next three rings of packing separately staggering the joints 180 apart Tamp into place g Replace split gland 16 fastening the two halves together with gland bolts and nuts Replace and tighten stuffing box bolts and nuts 18 then loosen nuts until shaft can be turned freely by hand See section Proper Adjustm...

Page 8: ...ease cup should be installed to maintain pressure in the seal chamber b Special precautions must be observed when handling a mechanical seal DO NOT drop the seal face carbons or floating seats nor scratch the lapped faces for these pieces c To remove the seal assembly dismantle the liquid end of the pump as described in Disassembly of Liquid End then unscrew gland bolts and nuts Remove seal head c...

Page 9: ...pump serial number and part item number are always required to secure correct replacement parts Refer to the pump serial plate and illustrations in this booklet F LOCATING TROUBLE 1 No Liquid Delivered a Pump not primed See Priming b Speed too low Check motor speed and nameplate c Discharge head too high d Suction lift over 15 feet Check with vacuum gauge e Impeller completely plugged f Wrong dire...

Page 10: ...sket 14 Stuffing Box Head Gasket 15 Stuffing Box Head 16 Stuffing Box Gland 17 Bolts Gland 18 Nuts Gland 19 Lantern Ring 20 Stuffing Box Packing ITEM No DESCRIPTION 21 Tubing and Connectors 22 Connector 90 23 Connector Straight 24 Compression Nut 25 Compression sleeve 27 Pipe Plug 31 Suction Head Gasket 32 Suction Head 33 Suction Head Wearing Ring 34 Pipe Plug 35 Casing 36 Casing Wearing Ring 37 P...

Page 11: ...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 12: ...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 13: ...__ 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 14: ...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 ____________________________________________________________________________ ____________________________________________________________________________ ___________________________...

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