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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 noti

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. 120004-Rev. G

Series: 4111, 4121

4121H

DEMING

INSTALLATION, OPERATION & MAINTENANCE MANUAL

End-suction Centrifugal Pumps

DISCONTINUED

Parts may

NOT be available

Manual Index

Содержание DEMING 4111 Series

Страница 1: ...serves 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 120004 Rev G Series 4111 4121 4121H DEMING DEMING INSTALLATION OPERATION MAINTENANCE MANUAL End suction Centrifugal Pumps DISCONTINUED Parts may NOT be ...

Страница 2: ...d 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 during service or repair Secure the pump in its operating position so it can not tip over fall or slid...

Страница 3: ...hey are placed upon the foundation and sub base is bolted down the alignment must be rechecked and in MOST CASES it will be found necessary to carefully realign the unit Quite often a noisy pump is due to pump and motor not being properly aligned IN SUCH CASES WE DISCLAIM ALL RESPONSIBILITY FOR PROPER WORKING OF PUMP Pumps are normally furnished with standard stuﬃng box construction as shown on pa...

Страница 4: ...n cement and after cement has hardened tighten anchor bolts 5 Recheck alignment at drive coupling Any misalignment now apparent should be corrected by metal shims under pump or motor When properly aligned pump shaft should turn freely by hand 6 A foot valve and strainer must be installed on the lower end of the suction pipe to keep pump completely ﬁlled with liquid when the pump is used under suct...

Страница 5: ...ature is under the boiling point or 212 F 100 C a spring loaded compression type grease cup ﬁlled with Standard Artic No O grease or equal may be used if suitable sealing liquid is not available GENERAL MAINTENANCE AND REPAIR E PROPER ADJUSTMENT OF IMPELLER 1 This pump features a locked bearing therefore no adjustment is required after pump leaves the factory F PROPER ADJUSTMENT OF STUFFING BOX 1 ...

Страница 6: ...slinger 40 3 Remove adjusting nut clip 204 and unscrew bearing adjusting nut 66 felt ring 49 and clamping ring 257 as a unit Pull the pump shaft 6 out thru the casing end of the support head 4 By inspection determine whether it is necessary to replace the ball bearings 16 18 If so press on inner race of the shielded side of the bearing and not against the outer race of the bearing or the shaft sho...

Страница 7: ...amp into place Turn shaft again by hand 6 Place lantern ring 29 in next 7 Postion and seat the next three rings of packing separately staggering the joints 180º apart Tamp into place 8 Replace split gland 17 fastening the two halves together with gland bolts and nuts Replace and tighten stuﬃng box bolts and nuts then loosen nuts until shaft can be turned freely by hand See section F for proper adj...

Страница 8: ...nstall new seal assembly oil the outer surface of seat gasket D and press seat gasket and ﬂoating seat assembly D and E into the seal gland cavity Also apply oil to the outer surface of seat gasket and press seat gasket and ﬂoating seat assembly into the cavity in the base of the seal head A DO NOT SCRATCH FACE OF FLOATING SEATS 4 Also a thin coating of light oil not grease to the shaft and inside...

Страница 9: ... Foot valve too small i Foot valve not immersed deep enough 3 Not Enough Pressure a Air in water b Mechanical defects c Impeller diameter too small d Speed too low 4 Pump Works for a while then Quits a Leaky suction line b Suction plugged c Suction lift too high over 15 feet check with vacuum gauge d Air or gas in liquid 5 Pump Takes Too Much Power a Speed too high b Liquid either viscous or heavi...

Страница 10: ... 37 38 40 46 49 66 73 127 202 203 204 207 209 210 212 Impeller Key Bearing Cover Outboard Shaft Gasket Sleeve Deﬂector Coupling Key Bearing Cover Seal Felt Ring Shaft Adjusting Nut Casing Gasket Tubing Assembly with Connectors Snap Ring Name Plate Adjusting Nut Clip Grease Fitting Gland Bolt Hex Nut Cap Screw 213 214 215 216 229 236 240 241 242 243 257 270 272 303 337 Cap Screw Drive Screw Cap Scr...

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Страница 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...

Страница 13: ...O___ 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 ...

Страница 14: ... OHYHO FRQWUROV LQVWDOOHG DZD IURP WXUEXOHQFH 6BBB 12BBB V OHYHO FRQWURO RSHUDWLQJ SURSHUO 6BBB 12BBB V SXPS IXOO VXEPHUJHG GXULQJ RSHUDWLRQ 6BBB 12BBB ROORZ XS RUUHFWLYH FWLRQ 5HTXLUHG 6BBB 12BBB GGLWLRQDO RPPHQWV BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB...

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