w r h main manual.pdf

8/14/2019 W R H MAIN MANUAL.pdf

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1 . IMPORTAilT POINTS TO BE GHECKEDBEFORE TNSTATLATIONBeforenstaffationiilup heoir nHoistGearBoxandc. T.GearBox.This svery mportant therwisetwillleado ailure t g"";. - .Applyight ayerof grease nwire ope, rumgrooves,. T.Runnerwheelgears,.T.Wheeldrivinginion.Motors ndbrakes sedonsAFEXwireRopeHoist resuitabfeor415 t 6% Volts,50 Hz,3 phaseA.C. powersupply.Checkincommingortageoprevent urning fmotors ndbrake oirs..

IMPORTANT POINTS TO BE GHECKEDDURING GOMlUIISSIONING(i) Firstcheck he hoistingmotor otation. tshourd un n rightdirection.i.e.when the hoist button s pressed he hoist s actuarty oisting.lf not hiscanbecorrected yreversing nepairof readsrom ncommingsuppry. airureo do thismayresurtndamageothehoistdue o timitswitchnotoperating.

(i ) Limitswitchoperation or overhoisting nd over owering hourdbechecked. fneeded imitswitch o be adjustedby shifting herimitswitch.The'brakesare adjustedat-factory o its ratedt{rque. sripageof roadto be checkedduringcommissioning,and t requirec o be adjustedas perprocedure ivenon page BrakeAdjustment."

At the imeof commissioningof the hoistputsome oadon hook norder o give nitiaf ensiono the rope. rackening f rope iil ; ; ;";damageo ropeguideandwire ope.

(i )

(i )

( i i i )

2.

(i i)

(iv)


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INSTALLATIOffi OF HSIST BLOCK ON BEAM(i) Open herunner heel late opbolts onnected i thsideplate nd

loosenhe owerboltsbutdonot emovet.(ii) Turn herunnerwheel ssembly n outward ide.( i i i ) Insert he hoistblockon to beamand reposit ionhe runnerwheel. assembly.(iv) Fixandproperlyighten hebolts& nutsof sideplates nd unnerwheel

plate ixingbolts.Note Before nstallationof Hoist Block on Beam.Check heJoist izeand unner heelwidth. t Should e 5 to 6 mmmore han langewidth f hebeam ize, f notplease djust unnerwheels y changingunnerwheel pacersrontsideor rearsideequallyonboth he unner lates. neSide runner heel djustmenthouldnotbedone incet willdisturbhehoist entreine rombeam entreline.

OILING AND GREASING POINTSHoistGearBoxCross raversGearBoxesWireBopeGearedunnerWheel

Fillup o theoil evelplugFi l lupoi l to he evel lugSmearwith ightgreaseKeepSlightly reased


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Note For LubricationGearBoxesGreaseNipplesWireRope

Recommended ubr icants(i) GearBoxes(i i) WheelBearing(i i i) WireRope(iv) ThrustorBrake

Drainoil once nevery6 monthsandreplacewithrelevant rade..Should ewiped lean efore pplying rease un.Mustbe free romdustanddirtand should ekept ightlygreased.OIL- SAE 140OR EquivalentGrease Mobilple o- 2 / Spheerol AP3Grease Mobi lp le o.1IndexCompound o.2/Groppo 33 OREq.TransformerOi lB.. 140OREQlmportant

(i) KeepLoaddirectlybeneath he blockand do not attempt o lift heloadatan angle.(ii) Makesure oad s securely lungbeforeatternptingo lift.(iii) Obey oadingnstructions.(iv) :TheHoistmustnot be usedoutof doorsunlessweatherproofed.

5. BRAKE INSTALLATION & ADJUSTMENTA. E. M. Shoe Type Brake :(i) Thisbrakeworkson hesotenoid rinciple. hen hesolenoidsenergisedan armaturewhich s linkedwithshoe evers,pullsshoe eversapartto releasehe brake.Whensupply scutoff he mechanismeturnsoitsoriginalpositionnder pring ction ndbrake sapplied. hisbrakeis Failto Safe'typebecausewhen he power t cut off hebrake sapplied ndwhen he power s on he brakegets eleased.

Brake Adjustment & Maintenance(i) Energise rakecoilsandcompresshe orquesprings o getrequiredtorque.Armature lateshouldbe attracted moothlywithoutnychatteringnoise.When he supply.is n, he motor haftshallbe reeandwhenthe sqpplys switched ff, he brakeshouldbe applied.Repeat'ON'&'OFF'.2/3 imes o ensure reemovementofArmatureAfteradjustingthe orque,ockmainspringnutand ocknut irmly.(i i) Checkperiodicallyor,brakeinerwear.Removehewornout inersandreplacewithnewonesand adjust he brake(iii) To eplace rake oils,disconnectncommingupplyeadsand emovemagnate late.Replacehe brakecoilsand refit he magnate lateandconnectncomminguPPly.


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E. M. $HOE BRAKE

---..:-T

lt{a lLf

Type BrakeTorqueSize RatingA N . M . A C O ' F G H J K L M N O P R Ss42 t01.613.6 73.2177.866.6 31.8 139.7 77.7 9.8 16.0 73.2 6.4 69.9 41.2 41.2 76.2179.344.5s51/Ss2139.7 4.0/48.0 01.6239.88.9 50.8212.9104.611.1 25.4 124.0s.7 82.6 50.8 50.8 79.3 95.3 79.3s71/S721n.8 68.0nA2.027.0290.611.3 3.5 241.3127.0 14.3 25.4 152.4 108.0 53.9 76.2 79.3 120.779.3


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B. Disc Type Brake(i) Discbrakesare fitteddirectly n non-driving ndof motorshavingextended haft.A driving ub Normalty quared)s keyedo themotor

shaft.Linerplates ully loaton driving ub,Thebrake s springoadedand s released y Electromagnets.hebrakingtorqueseasilyadjustable.

BrakeAdjustment& Maintenance(i) Adjust he required reaking orquebycompressinghreemainspringsequalty y tighteningmainspringnut.Thenadjust irgap 0.5 o 1mm.

max.)with he helpof magnetplatenuts.Gapshould e uniform llaround etweenmagnet odyand Armature late.Afterchecking apwith il lergauge, ightenmagnet latenuts irmly.nanycaseairgapshouldnot be more han 1 mm.otherwise oilsmayburnoff.To replacehe Brakecoils,bendupwardshe coilclamps nd removeburntcoils.Fitnew coils akingcare hat all eadsareexactly sbefore.

6. LIIIIT SWITGH ADJUSTMENT(i) Loosenhe imitSwitchFixingboltandslide, t on guide trip nsuchaway hat imitswitchstrikershouldoperate he imitswitchat highestposition f the bottomblock.(ii) Tighten he imitSwitchFixingbolt andrechecktsoperation.(i i i ) Similarly djust he overloweringimitswitch uch hatbottom lockshall emain50 mm.above he ground evel.

NOTE Bottom lockhookshouldnottouch heground t owermostposition,Otherwise ire ropewillget oosened esulting n breakage f ropeguide.


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ASSEMBLY FDISCTYPEA.C.BRAKE SlNGtEDISC)

PART LIST1. DRIVING UB2. MOUTINGPLATE3. LINERPLATE4. ARMATUREPLATE5. ARMATURE6. COTLS7. MAGNET8. MAGNETPLATE9. LOCKINGNUTS10. SPRING11. STUDS

ASSEMBLY FDISCTYPEA.C.BRAKE DOUBLEDISC)

PARTLIST1. DRIVING UB2. MOUTINGPLATE3. BALANCING PRING4. FRICTIONPLATE5. LINERPLATE6. ARMATUREPLATE7. ARMATURE8. MAINSPRING9. COIL10. 'MAGNET11. LOCKINGNUT12. MAGNETPLATE13. STUDS


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VARIOUS SUBASSEMBLIES(r)HorsTtNG EAR OXASSEMBLY

PARTLIST1. MOTORPINION2" lST GEAR3. 2NDPINION4. 2STGEAR5. 3RDPINION6. 3RDGEAR7. ROPEDRUM8, GEARBOXCOVER9. COVERGASKET


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(i i) c.T.GEARBOXASSEMBLY

PART LIST :1. MOTORPINION2. 1STGEAR3. zND PINION4. 2NDGEAR5. DRIVINGPINION6. OUTPUTSHAFT7. OIL SEAL8. SPACER9. SPACER10. BEARINGHOUSING11. BEARINGCAP12. RETATNG LATE FORW.D.PINION)13. MOTORADAPATOR14. GASKETFOROIL SEAL HOUSING15. GASKETFOR MOTORSIDE

16.STUDMlO17. NYLOCKNUT18. SOCKETHEADCAPSCREW19. WASHER20. HEX.HEADBOLT21. HEX:HEADBOLT22. SOCKETHEADEDCAPSCREW23. HEX. HEADEDBOLT24. REC. KEY25. SQ. KEY26. SO. KEY27. FLAGE,MOUNTEDMOTOR28. EXTERNALCIRCLIPLIGHT29. BALL BEARING30 BALL BEARING


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( i i i )c.T.wHEELASSEMBLY

C.T.WI.IEELASSLY

PARTLIST -I . GEAREDWHEEL2. WHEELSPINDLE3. LOCKINGSPACER4. BEARING5. BEARINGCOVER6. PLANE.WHEEL

Orcasc lipplc UDrlc.tsthe bceringspcriodically

by clrangtrg bcfitg 9.cctGEAREDWHEELASSLY (arcEAREDWHEELASSLYlvlornunoHolcposition or l{0 nm b 210 rm iirt citc

ItI

+s

eI6I F I tozrnrndcrmce\l/hccl ste canbc a{stcdlloh po:itin b 73 nwr b t4O rm


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8. TROUBLE SHOOTING GHARTTROUBLE PROBABLECAUSE

1 Motornot runningat full RPM,doesnot if tload at raled speed. 1 OverloadinglnsufficiantVoltage Brakenot opening up or too tight / Windingdefective.

2. Noise n motor. 2. Singlephasing Womoutbearing Misalignment.3. Limitswitch does not operate. 3. Inconectphaseconnection/Spdngetective/ Ropeguidebroken.4 . Magnet oilsburning ut . 4. Insufficientvoltage/Wrongntercbnnectionbetween oils Frequentnching.5 . Brakedose not operate. 5. Oi l on brake inings Wornoutbrakel inings.

6 . MagnetChatter Shoe ype A.C.Brake) 6. Dust or carbon part ic les betweenMagnet E' Bloekfaces Alignmentofliftinglever ith respect o magnet ok enotcorrect Magnet okemountingboltsloose.7. Hoist moves up or downone way. 7. Contactor 'notworking Push buttondefective/Limit Switch onnectedwrongly.8 . Contactorchatter. 8. Cbntactor not funct ioning properly/Contactor coil defective / Contactordefective Looseconnections.


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LIST OF REGOMTUIENDEDPAREFOR

NORMAL MAINTAINTACETWO YEARS

9.

1 .2 .3.4.5 .6.7 .

BrakeCoil----BrakeLiner ---, ---Wire RoPeRopeGuideContactor Hoisting)ContactorC.T-)--

1 Set1 Pair1 Length1 Set1 No.1 No.

PLEASENOTETHATTHE SPARESARE SUPP'LIEDDRE LYFR M'cdnn 1-1v'^o]jl :.Y3slJx Jilr'XF;ii+t';il;ei ii spnREsRocUREDRoMdiiEc souRcES'AREsED'


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OTHERRODUCTS?K ELECTRICIRE OPEOISTSt( CHAINULLEYLOCKSt( CHAINOISTS)k CAGE0ISTS* cRANESD0UBLEIRDER,TNGLEIRDER,.0.T.,.0.T. ,tBCRANES,

GOLTATHRANES)FOR AFEREA ALSO OR AZARDUSREA

,fifxELECTROMECH RIVATELIMITEDRegd.ffice WorksPlot o. 7608, haselV,G.|.D.C.,atva,hmedabad382 45.Ph. o.25841915,5840513,2918913-FaxNo. (079) 5840124E-mail [email protected]. www.safexelectromech.com

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