|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
|
| eto,Clea | nBr | kgthCn |
|
| ||||||||||
1150.3.2.HP1. | ARepaCDrillingSaCMotor,Model5GEB22usRngCo |
|
| |||||||||||||||||||||
|
|
| Theconnectionofthestator |
| ilstothebusringcanbere | airedwhentheconnecionshowssigsofoverheat- | ||||||||||||||||||
|
|
| ing.The |
|
| sareexpo |
| bycuttingand | theinsulationaround | requiringthe | ||||||||||||||
|
|
| useof |
|
| kife,chisel,screwdriver,prybar,strippingandslijointpliers.Toexposetheconnectionsforrepair: | ||||||||||||||||||
|
|
| 2Remove |
| mounting |
|
|
| (blts,nuts,insulatingblocks,etc.)fromtheareaofthebrazedconnection. | |||||||||||||||
|
|
| NOTE:Read |
| isenireprocedure | firsttobecomefamiliarwiththesesteps. |
|
| ||||||||||||||||
|
|
| 1 |
| Positionhammer,connectiostaorframetoobtainthebestworkingpositionfortheconnectionstobeclen. | |||||||||||||||||||
|
|
| 3Usethekif,chisel,andhardwarehammrtocuttheinsulation.Cuttheinsulationdowntothecopperthefulllength | |||||||||||||||||||||
|
|
|
|
| ofthecoanyection. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
| 4 Aftercuttingtheinsulationthefulllength,prytheinsulationawayfromtheconnectionusingtheslipjoint | |||||||||||||||||||||
|
|
|
|
| pliers,prybar,scrwdriver,orknife. | barecopper. |
|
|
|
|
|
|
| |||||||||||
|
|
|
|
| scrapeoffallmaterialuntil |
|
|
|
|
|
|
|
|
| ||||||||||
|
|
| 5. | Brazingtoolheatcanbeusedtosoftentheinsulationforfinalcleaning.Alternately | theinsulation,and | |||||||||||||||||||
|
|
| NOTE:Use |
| theesistance |
|
| |||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
| |||||||||||||
|
|
|
|
|
|
| aratetheconnection.Passingcurrent | |||||||||||||||||
|
|
| throughthebrazing |
|
| carbonsandthemettobseparatdproducesheat. |
|
| ||||||||||||||||
|
|
| 41D780746.TheareaofthejointtongsbedisconnectedmustConfidentialbecleanandfrseofdirt,oilandinsulatingmaterialsuchas | |||||||||||||||||||||
|
|
|
|
| varnishandtape. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
| WARNING:Observeallgovernmentandshopsafetyregulationswhenusingcompressedair.Failuretodoso |
| ||||||||||||||||||||||
| evenCAUTION:mayresulth7eating.PowerfrompartsPositioninofinjuryaftertheisthetoarea.connectionseparationbebrazingappliedbeingtongheatedarea,inoccurspulseson.andthe.TheONLYconnectioneliminatingair.Thissupplyenblesthatanyalsoisintenseistoheusedbeopenedheatheattootcoolspotsspread.Kepthethatsurroundingoutanmayairgradually,supplydaagematerialareanozzleprovidingbythedissipatingonringhandormorecoiltoheatcool | |||||||||||||||||||||||
| ||||||||||||||||||||||||
| material8. | Applypowrto | r |
|
|
|
|
|
| pulsesONLYuntilthe |
|
| meltsthebrazing | inthejoint,then | ||||||||||
|
|
| 9. | shutoffthepower. |
| azingtongs,andusingthescrewdriverorprybar,spreadtheconnectionjointsbefore | ||||||||||||||||||
|
|
| Quickly | mvetheb | ||||||||||||||||||||
|
|
|
|
|
|
|
|
| ||||||||||||||||
265.3.2.2. |
| 0 | thesolderthebusoolsringandand |
| atorcoil.connectionsare |
|
| repairorreplacedamagedbusrings,straps, | ||||||||||||||||
| ToRbrazepiigStinsulateoCilsBRConnvntWhenstatorandvoidsbrazing. together,resolidifiesconnectionensurebrazingaftermaterialrepairsconnection,Brzihaveclean,separated,togetherbeenmade:beingIsulating |
|
| |||||||||||||||||||||
|
|
| 11. | or |
| coilleadspriort |
|
| the | the | is | rts | . |
| brazedareflatagainsteachothertopre- | |||||||||
|
|
| Bfore |
|
|
|
|
|
|
|
|
|
|
|
| |||||||||