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Crane DEMING 4201 Series, Installation, Operation & Maintenance Manual

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Crane DEMING 4201 Series Installation, Operation & Maintenance Manual Download Page 1

A Crane Co. Company

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.

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

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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