TYPE AE PUMPS - Peerless Pump
REPAIR INSTRUCTIONSTYPE AE PUMPSPACKEDRead this entire bulletinbefore attempting to repair this pump. For installationand operation refer to instruction bulletin 2880549.Properly installed, your Peerless pump will give you satisfactory, dependable service. We urge that you carefullyread these step-by-step instructions, to simplify anyproblems of installation, operation or repair.Failure to read and comply with installation and operating instructions will void the responsibility of themanufacturer and may also result in bodily injury as wellas property damage.This bulletin is intended to be a permanent part of yourpump installation and should be preserved in a convenient location for ready reference. If these instructionsshould become soiled, obtain a new copy from PeerlessPump. Include pump model and/or serial number withyour request.Peerless Pump CompanyIndianapolis, IN 46207-7026These instructions are prepared for a pump with grease oroil lubricated bearings and packed stuffing boxes. Optionalfeatures are covered by separate instruction sheets whichare furnished when the equipment supplied includes thesefeatures.Model numbers used in Table I are for the commercialpumps. Listed and approved fire pumps have the letters“AEF” in place of “AE” in the model number. Manymodels have suffix letters in the model number. Thesesuffix letters have been intentionally omitted from TableI. However, when ordering repair parts, provide thecomplete model number including suffix letters and thepump serial number; both are stamped on the pumpnameplate.4851938Rev. 11/93
WARRANTYNew equipment manufactured by Seller is warranted tobe free from defects in material and workmanship undernormal use and service for a period of one year from dateof shipment; Seller’s obligation under this warranty beinglimited to repairing or replacing at its option any partfound to its satisfaction to be so defective provided thatsuch part is, upon request, returned to Seller’s factoryfrom which it was shipped, transportation prepaid. Thiswarranty does not cover parts damaged bydecomposition from chemical action or wear caused byabrasive materials, nor does it cover damage resultingfrom misuse, accident, neglect, or from improperoperation, maintenance, installation, modification oradjustment. This warranty does not cover parts repairedoutside Seller’s factory without prior written approval.Seller makes no warranty as to starting equipment,electrical apparatus or other material not of itsmanufacture, since the same are usually covered bywarranties of the respective manufacturers thereof.In the event, notwithstanding the terms of this agreement, itis determined by a court of competent jurisdiction that anexpress warranty has been given by Seller to Purchaser withrespect to the head, capacity or other like performancecharacteristics of said equipment, Seller’s liability for breachof the same shall be limited to accepting return of suchequipment F.O.B. plant of manufacture, refunding anyamount paid thereon by Purchaser (less depreciation at therate of 15% per year if Purchaser has used the equipmentfor more than thirty (30) days) and canceling any balancestill owing on the equipment.THIS WARRANTY IS EXPRESSLY IN LIEU OF ANYOTHER WARRANTIES, EXPRESSED OR IMPLIED,AND SELLER SPECIFICALLY DISCLAIMS ANYIMPLIED WARRANTY OF MERCHANTABILITY ORFITNESS FOR A PARTICULAR PURPOSE.WARNINGWithout the consent of Peerless Pump or its authorizedrepresentatives. Disregard of this warning can result inpump failure and serious personal injury or death.Do not operate this pump at any pressure, flow rate, or liquidtemperature other than those for which the pump wasoriginally purchased. Do not pump any other liquid than theone for which the pump was originally purchasedSECTION I - DISASSEMBLYBefore starting disassembly of the pump, it is recommended that a set of spare parts as shown on page 8 beobtained. Peerless Pump does not recommend reuse ofgaskets, O-rings, packing rings, or ball bearings.d. Attach hoist to customer-furnished eye bolt in uppercasing. Use eye bolt to lift upper casing only. Eye boltmust have ½-13 UNC external thread.e. Place slings around the shaft near the bearinghousings and lift rotating element from lower casing (1A).Tap lightly on the underside of the bearing housings toseparate the housings from the brackets.f. Place rotating element in a convenient work place.1-3. ROTATING ELEMENT. Disassemble in the following manner:a. Loosen set screws and remove the coupling half. Tapfrom the back of the hub or use a puller. Removecoupling key (46), and outboard deflector (40B).b. Take out cap screws to remove bearing covers (35,37)and the gaskets (73B). Remove inboard bearing coverseal (47) from cover (35) only if replacement of seal isrequired.c. Remove retaining ring (18A) from outboard end ofshaft.d. Remove housings (31 & 33), bearings (16 & 18), andbearing housing seals (169) as units with a bearingpuller. Remove deflectors (40A).e. Remove casing rings (7). On most pump this may bedone before removing the coupling half.Shut down pump. Disconnect power to the pump driverbefore starting any repairs. Refer to Bulletin No. 2880549for the procedure to follow.WARNING1-1. Disengage the coupling halves. Refer to the couplingmanufacturers’ instructions.1-2. PUMP. (See Figure 1.) Disassemble pump to theextent required as follows:a. Remove the nuts from the gland bolts (17B) andremove packing glands (17) from the shaft (6). Thepacking gland halves are separable.b. Remove all nuts or cap screws from the upper casing(1B) and from the bearing caps (41 & 43). Match markbearing caps to lower casing (1A).c. Use the jack screws (not shown) on the bottom side ofthe lower casing split flange to separated the upper andlower casings. Turn the jack screws back below the splitflange surface to avoid reassembly interference.48519382
FIGURE 1ItemNo.1A1B26781314, 14A14B161717A17B1818A2931DescriptionLower CasingUpper CasingImpellerShaftCasing RingImpeller Ring (Optional)Packing RingShaft SleeveShaft Sleeve O-RingInboard Ball BearingPacking GlandGland Clip (when used)Gland BoltOutboard Ball BearingBearing Retaining RingLantern Ring (Optional)Inboard Bearing 169DescriptionImpeller KeyOutboard Bearing HousingInboard Bearing Housing CoverOutboard Bearing Housing CoverInboard DeflectorOutboard DeflectorInboard Bearing Housing CapOutboard Bearing Housing CapCoupling KeyInboard Bearing Cover SealStuffing Box BushingCasing Casket (Not Shown)Bearing Cover GasketBearing End CoverWater Seal Piping (Optional)Bearing Housing Seal* For oil lubricated construction, bearing end cover (123) is gasketed to the outboard bearing housingcover (37) with a silicone gasket material such as loctite superflex ultra blue.48519383
Blow dry with clean dry compressed air.f. Remove packing rings (13), lantern rings (29) if provided, and stuffing box bushings (63).Peerless Pump does not recommend reuse of ball bearingsafter removal from the shaft. If you choose to clean andconsider reuse, proceed as follows:g. Loosen shaft sleeve set screws then loosen shaftsleeves (14 & 14A) with a spanner wrench. Sleeve (14)has right-hand thread, sleeve (14A) has left-hand thread.Remove sleeves from shaft.b. To clean ball bearings, remove bearings from housings.c. Place bearings in wire basket so there is space forcleaner to reach all parts.NOTEA seal between the shaft and sleeve is made with an Oring (14B) in a groove in the sleeve. Use care not todamage the O-ring.d. Immerse in Stoddard solvent. Agitate basket untilgrease is thoroughly loosened and can be flushed out.h. Remove the impeller with an arbor press or a tubeand hammer.f. Using a spray gun with air filter and clean Stoddardsolvent, flush each bearing until all grease and sludge isremoved.e. Place bearings on a screened surface.NOTEg. Blow solvent out of bearings with dry filtered air.The interference between impeller hub ID and shaft ODmeets ANSI B4.1 standards for “Preferred Limits andFits for Cylindrical Parts” and corresponds to standard fitLC-1.h. Lubricate bearings immediately after cleaning withlight spindle oil and place them in a covered container.i. Do not spin bearings during cleaning.i. Remove impeller key (32).1-5. REMOVAL OR REPLACEMENT. Refer to the Disassembly Instructions for disassembly to the point ofremoving bearings from the shaft. Normally, they shouldbe removed only to clean and inspect after operatingtrouble is traced to the bearings.1-4. CLEANING. Clean all metal parts (except bearings)with a solvent. Use a bristle brush (NOT metal or wire) toremove tightly adhering deposits. A fiber scraper may beused to remove the gasket and shellac from casing flanges.SECTION II – INSPECTION AND REPAIR2-2. REPAIR. Make needed repairs in the followingmanner:2-1. INSPECTION. Visually inspect parts for damageaffecting serviceability or sealing. Emphasize inspectionof mating parts having relative motion – wear rings, forexample. Perform detail inspection as follows:a. If ID of casing rings (7) is grooved, scored oreccentric, replace the casing rings.a. Check O-rings and bearing cover gaskets for cracks,nicks or tears; packing rings for excessive compression,fraying or shredding, embedded particles (dirt or metal).Replace if defective in any way.b. If impeller wear surfaces or impeller rings (8) aredefective, the impeller must be machined to install newimpeller rings. Be sure machining is concentric withimpeller bore. Use care NOT to reduce hub OD whenmachining off old impeller rings.b. Mount the shaft between centers or on vee blocks.Check for eccentricity throughout entire length with adial indicator; eccentricity must not exceed 0.003 inchtotal indicator reading. Check that threads are clean andsharp. Surfaces on which bearings mount must besmooth, have a finish of 32 microinches or better, andthe shoulders square and free from nicks.TABLE IIMPELLER/CASE WEAR RINGDIAMETRICAL CLEARANCE.015/.0192AE11 3AE9 3AE144AE10 4AE11 4AE125AE8 5AE11 5AE125AE146AE106AE11 6AE12 6AE146AE16 6AE18 8AE128AE13 8AE15 8AE178AE20 10AE1210AE14 10AE20c. Measure the OD of the impeller wear surface orimpeller ring (8) and the ID of the casing ring (7).Compute the diametrical clearance (ID minus OD) andcompare with the limits given in Table I. If measureddiametrical clearance exceeds two times values in TableI, repair to restore design clearance is recommended. IDsurface of casing ring must be smooth and concentricwith ring OD.d. Examine impeller passages for cracks, dents, gougesor embedded material.48519384.018/.02210AE16
NOTEClearances in Table I are for standard bronze or castiron fitted pumps. For materials with a tendency to gall,such as stainless steel, increase clearances by .010 inch.NOTEFor bronze impellers and rings, the rings are shrunk onthe hub according to standard fit FN-4 of ANSI B4.1.Hardened impeller rings are installed according to ANSIB4.1 standard fit FN-1.c. Install new impeller rings (8) on the impeller (shrink orpress depending on material). The impeller ring ID isfactory-machined for proper fit.NOTEStandard pump s are furnished without impeller rings; thewear surface is an integral part of the impeller. Impellerwear rings may be field-installed by machining. Refer tonote following paragraph 2-2b for standard fits to beproduced when making such repair. Replace impellerswhich cannot be salvaged by such repair.TABLE IITORQUE VALUE (FT.-LB.)*5MEDIUM CARBONSTEELSAE J429 GRADE 5105-120,000 PSITENSILEMEDIUM CARBONALLOY STEELSAE J429 GRADE 8150,000 -465648-715SIZEINCHHEADSYMBOLSd. Replace worn shaft sleeves.e. Straighten or replace shafts having excessive run-out(eccentricity). See paragraph 2-1b.*TORQUE VALUES SHOWN ARE FOR CLEANLUBRICATED THREADS; AND GASEKTEDJOINTS.SECTION III - REASSEMBLY3-1. ROTATING ELEMENT. (See Figure 1) Reassembleas follows:a. Coat the shaft (6) lightly with oil.b. Place impeller key (32) in shaft keyway.c. Align impeller (2) on shaft and install with an arborpress or brass tubular sleeve and hammer. Guardagainst bending shaft. When assembled, the impellervanes must rotate in the proper direction. (See Figure 3),and impeller hub must be centered on shaft journal.g. Place inboard deflectors (40A) on shaft.h. If previously removed, install bearing housing seals(169) into housings (31 & 33).i. Press housing-bearing-seal assemblies on shaft toseat bearings against shaft shoulders.j. Install bearing retaining ring (18A) in groove against theoutboard bearing.k. Install gaskets (73B) on bearing covers. Use factorysupplied parts or cut replacement gaskets from 1/16 inchNo. 444 Vellumoid. (SAE P3415A). EXCEPTION: Forall models using 3306 size outboard bearing, gasket 73Bis 1/32 thick.l. Attach inboard and outboard bearing covers (35, 37).In the assembled position, the grease drain tap must belocated at bottom in a horizontal plane.m. Install outboard deflector (40B), and coupling key(46); assemble coupling half on the shaft and tighten thesetscrews.FIGURE 3. VANE POSITION FOR PROPER ROTATIONd. Coat shaft sleeve O-rings (14B) with oil and install inshaft sleeves (14 & 14A). Install shaft sleeve set screwsin shaft sleeves. Assemble shaft sleeves to the shaft andhand tighten against the impeller. Do not tighten shaftsleeve set screws.e. Install the stuffing box bushings (63).f. Locate casing rings (7) on impeller.3-2. PUMP. Complete the assembly of pump as follows:a. Use factory supplied casing gasket (73A) or use theupper casing (1B) as a template to cut a casing gasket(73A) from 1/64 inch Vellumoid (SAE P3313B). It is veryimportant that specified material and thickness be usedfor casing gasket. Machined surfaces of both casingsmust be perfectly clean and free from burrs or nicks.4851938
TABLE IVAMOUNT OF GREASE FOR BALL BEARINGSOUNCESGRAMSBEARING SIZEb. Affix the new casing gasket to lower casing (1A) withshellac.c. Use slings around the shaft near bearings to set rotatingelement into lower casing. Position the casing rings (7) andboth bearing housings so that all dowel pins engage in slotsin the lower case split surface.122¼2½3½4½d. Assemble both bearing caps per match marks andtighten the cap screws.206/ 305207/ 306208/ 307210/ 308212/ 310213/ 311GREASE SPECIFICATION:Use Lithium soap base, worked penetration, meetingNLGI Grade 2 specifications. Minimum dropping point355dF., operating temperature range of –10dF to 240dF.Obtain grease from your local supplier.e. Adjust the shaft sleeves (14 & 14A) to center theimpeller in the lower casing volute, and tighten both shaftsleeves with a spanner wrench, then tighten shaft sleeveset screws to 130 inch-pounds torque.f. Cover the top side of the casing gasket with a mixture ofgraphite and oil. Install the gland bolts (17B). Carefullylocate the upper casing on the lower, making certain thedowel pins engage. Install cap screws and tighten workingfrom the center of the casing to each end, to the torquevalues in Table II. If any cap screws require replacement,use only parts with equal or greater tensile strength. SeeTable II. Rotate shaft by hand to check that it turns freely.k. Oil. (Pumps are shipped without oil in the bearinghoisings.) Be sure to fill and adjust constant level oilersbefore initial start of pump.(1) Adjust dust cap to lowest possible position on basefittings.(2) The pipe nipple and base fitting must be level; checkwith spirit level. If pipe nipple is bent, replace it. Aconstant level oiler that is not level will not provideproper lubrication to the bearings.(3) Fill bottle, screw it into the dust cap as far as it willgo – do not force. Allow the oil to flow into the bearinghousing. Repeat this procedure until there remains asupply of oil in the bottle. Never fill bearing housingthrough base fitting.(4) Check the breather tube for cleanliness. The breather tube must be used with the oil lubrication system.(5) The bottle on the constant level oilers is mad ofplastic, and it will be damaged by oil temperature over170dF or solvents such as alcohol. For these conditions,use a glass bottle.g. Push the stuffing box bushings (63) to the rear of thestuffing boxes. Insert two packing rings, lantern ring (29) ifprovided, and three packing rings. Insert each ringseparately and stagger the joints of successive rings 90d.Insert the packing glands (17) and set the gland bolt nutsfinger tight – DO NOT USE A WRENCH.h. Rotate shaft by hand to check that it turns freely.i. Replace all drain plugs if removed during disassembly.j. Re-lubricate the bearings. Refer to Table IV.It is most important to provide proper lubrication andkeep bearings clean. Frequency of lubrication must bedetermined by experience, as it depends upon bearing size,speed, operating conditions and environment. Table IIIshould be used only as a guide for re-lubrication.LUBRICATING INSTRUCTIONS1. The pump is shipped without oil in the bearing housings.2. Change first oil after operating 1000 hours or 60 days,whichever occurs sooner.3. Frequency of oil change thereafter is dictated by serviceconditions. It is suggested, however, that oil changes occur atleast every 3000 hours of operation.4. In order to keep the bearing housings vented, the breathertubes and filters must be kept clean.Lubricating OilsType:High quality non-detergent straight H.V.I. mineral oilWeight:TABLE IIIGREASING FREQUENCY(See Table IV for amounts)SERVICEGREASE EACHNormal, 8-hour day operation.Room free of dust and damagingatmosphere.6 MonthsSevere, 24-hour day operation.Room with moderate dustand/or damaging atmosphere,or outdoor service.1 MonthLight, approximately 10-hourweek. Room relatively free ofdust and damaging atmosphere.1 Year485193828566370100128Brg. Operating Range (dF)Weight0 – 150150 SSU at 100dF150 – 200*300 SSU at 100dF200 – 250*500 SSU at 100dF*Maximum oil temperature in plastic oiler bottle 170dFl. Consult the driver manufacturer’s Maintenance instructtoins for lubricants and re-lubrication procedure for thedriver bearings.6
3-3. TROUBLES. To reliably establish the performance of either the pump or driver, instruments such as tachometers, pressuregauges and electric meters must be in proper working condition and preferable of recent calibration. In many cases, much timeand expense have been expended with faulty instruments. Table VI lists a number of troubles commonly occurring. If unable todetermine the cause, and remedy the trouble for this list, refer the problem to the Peerless Pump representative.TABLE VITROUBLESTROUBLEOverload on driverPROBABLE CUASEMotor voltage higher than name plate ratingwill cause the motor to run faster. Eitherreduce motor voltage or trim impellerdiameter. On other drives, reduce speed ifpossible. If speed reduction not realized,trim impeller diameter.**Total head lower than rating.Check suction and discharge pressures anddetermine the total dynamic head. If TDHlower than ratings, throttle discharge to ratedTDH or, if this is not possible, reduceimpeller diameter.**Stop pump – following proper repacking procedure. Check for scored sleeve; and for sleeverun-out if packing wears rapidly. Replacesleeve and packing as required.Tight packing.Liquid is of higher specific gravity orViscosity than rating.Pump vibrates or is noisySee if pump and motor turn freely. Checkimpeller fit, shaft straightness and ballbearings.Driver unbalanced.Disconnect driver and operate it alone. Checkpump for large pieces of debris, such as wood,rags, etc.Realign pumping unit.Cracked foundation.Replace foundation.Worn ball bearings.Pump loses prime after startingReplace bearings. Check lubricants for propergrade. Check pump alignment. Check forcondensation on water cooled bearings.Re-prime.Pump not primed.Pump not up to speed.Check for low motor voltage or motor overload. Other drives, increase driver speedwhen possible.Discharge head too high.Check to see that all discharge valves areopened and the discharge line is free fromobstructions. In some cases, the installationhas to be altered or a pump of suitable ratingmust be provided.Insufficient available NPSH.Check NPSH requirements of pump andincrease system NPSH accordingly.Incorrect direction of rotation.Check the impeller assembly for correct rotation either by removing upper case or throughpriming connection. Check rotation of driver.Air leaks in suction line or through stuffing boxes.Tighten packing. Check for air leaks betweensleeve and shaft and replace O-ring if there isan air leak. Check all suction line jointsfor bad gaskets and loose joints.Impeller passages restricted.Disassemble the pump and clean impeller.Worn wearing rings.Replace worn parts.Damaged impeller.Replace or repair impeller.Foot valve too small or restricted by dirt.Replace with adequate size foot valve or clean footvalve.Tighten packing. Check for air leaks betweensleeve and shaft and replace O-ring if thereis an air leak. Check all suction line jointsfor bad gaskets and loose joints.Air leaks in suction line.Check NPSH requirements of the pump andincrease the system available NPSHaccordingly.Insufficient available NPSH.** Always obtain new trim diameter from Peerless representative.4851938Check with Peerless distributor to determineif a larger motor is required.Mechanical trouble of pump or driverMisalignmentFailure to deliver liquid or sufficientpressure.REMEDYPump speed high.7
SPARE PARTS. To keep delays to a minimum whenpump repairs are required, we suggest that the followingspare parts be stocked:To obtain quick and accurate service when orderingspare parts, provide the following information:(A) Pump size and type as noted on nameplate.(a) One set of bearings (16) & (18), bearings seals (47)& (169), and bearing cover gaskets (73B).(B) Pump serial number as noted on nameplate.(b) One set of shaft sleeves (14) & (14A) and sleeve Orings (14B).(C) The name and number of the parts as shown on thesectional drawings.(c) One set of casing rings (7).(D) Quantity required of each item.(d) One se of impeller rings (8).Aid may be obtained from the Peerless Pump representative or an authorized distributor for planning anadequate supply of spare parts.(e) One casing gasket (73A).For installations where downtime is critical, a completerotating element should be stocked.(f) One set of packing rings (13). Packing can beobtained from your local supplier.For installations where downtime is critical, a completerotating element should be stocked.NOTICE: Materials of construction, specification, dimensions, design features, and application information, whereshown in this bulletin, are subject to change and/or modification without notice by Peerless Pump at their option.Peerless Pump CompanyP.O. Box 7026 – Indianapolis, IN 46207-7026Phone: (317) 925-9661 – Fax: (317) 924-7388BULLETIN NO. 48519388Printed in U.S.A.
the hub according to standard fit FN-4 of ANSI B4.1. Hardened impeller rings are installed according to ANSI B4.1 standard fit FN-1. c. Install new impeller rings (8) on the impeller (shrink or press depending on material). The impeller ring ID is factory-machined for proper fit. NOTE Standard pump s are furnished without impeller rings; the
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The Peerless Pump Fire Pump Units and Enclosed Packaged Systems Thousands of Peerless Pump installations (UL, ULC or FM approved) deliver superior fire protection to facilities worldwide. For over eighty years Peerless Pump has been offering complete service, from engineering assistance to in-house fabrication to field start-up.
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Oilgear engineers will be there, ready to help you with the education, field service, parts and repairs . Table of Contents Pvm Pumps page 3 PvWJ Pumps page page4 PvWh Pumps page page5 PvWW Pumps page 6 PvWc Pumps page page7 Pvg Pumps page 8 PvK Pumps page page9 Pvv Pumps page 10 PfBA Pumps page 11 PfBK Pumps 12 . 130 7.94 130,2 1500 103,4 .
