Instruction/ maintenance manual of the product H-5304A GE
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GEH -5304A GE Industrial Systems Instru ction s Direct Current Motors & Generators Type CD Fra m es 2512AT , 2513AT Fra m es 2812AT , 2813AT.
GEH -5304A 2 Thes e ins tructio ns d o not p urp ort to cover a ll of the deta ils or var iations in equ ipmen t nor to pr ovide for every poss ible contingency to be met in connection w ith installation, operation, or maintenance.
GEH -5304A 3 Table of Contents Sub j ect Page In troducti o n .............................................................................................................................. 5 Recei v i ng ...............................................
GEH -5304A 4 Sub j ect Page Bru s h es .......................................................................................................................... 22 Bru s h Re m o va l Wi th M a ch i n es Stoppe d an d Power O f f.....................
GEH -5304A 5 Dire ct Curre nt Mo t ors a nd G e nera t ors Ty p e C D Fram es 2512A T , 2513A T , 2812A T, 2813AT I. I NT RODUCT ION T h is i n s t r uc t i on book cove r s t h e C D 2512AT-CD2813AT lin e of DC mo tors an d gener a tors. High v olta ge a nd rota ting pa rts can c aus e s er ious or fat al injur y.
GEH -5304A 6 B rushes s hou ld not remain in c o ntact w ith the c o mmutato r durin g pro lo nged sto rage b ecau se c o rr o sio n may o cc ur and late r res ult in f lat spo ts o n th e c o mmutato r. R ele as e the b rush springs and lif t the b rushes w hen sto re d f o r a perio d o f mo r e than six mo nths.
GEH -5304A 7 Table 1 Typical W e ights* * Motor (Les s Acces so ries) Armature CD2512AT 500 120 CD2513AT 550 135 CD2812AT 650 160 CD2813AT 750 190 **Typi cal weight s.
GEH -5304A 8 B. Mount ing Mo to rs and ge nerato rs sho uld b e mo unted o n r ig id and so lid f oundatio ns. Le v el the bas e (o r the machine). H old-do w n bo lts should be in spec ted regular ly an d kept tigh t.
GEH -5304A 9 H o rizo ntal align ment sho uld b e c o rr ec te d b y shifting mac hin es o n th e b ase . b. Ali gnm ent Proc edur e Fl ex i bl e Coupl i ngs, S el f - S uppor t i ng B ases B ef ore o pe rating th e machine, the b as e sho uld b e b o lted do w n and the alignment chec ke d as f o llo w s: 1.
GEH -5304A 10 The radial lo ad, W , pro duc ed b y th e b e lts w h e n tigh tene d j ust e no ugh to tran smit the lo ad witho ut slip ping is gi v en b y th e relatio n: 126,000 x HP W = x K b , lb .
GEH -5304A 11 Mo u ntin g may b e e ither h orizo ntal or v e rtical f o r these b e aring life de te rmin ations, as lo ng as no axial lo ad (i.e ., s usp ende d lo ad ) o ther than th e w e ight o f the armature is pres e nt if v e rtical.
GEH -5304A 12 Be for e s t ar ting the motor , remove al l unus e d s haf t keys and loose r otat ing par ts to p revent t h em fro m f l y ing off. A.
GEH -5304A 13 Table 3 Bear ing Life a t 1750 RPM A verage S p eed V s. Lo ad, W (For ot her av erage speeds , m ul t i pl y l i f e by l i f e f ac t or) Less Than Speed 500 650 850 1150 1500 2000 2500 3000 4000 5000 Lif e Fact or 2.15 1.83 1.55 1.29 1.
GEH -5304A 14 Table 4 Power Supply A va ilable AC DEK A √ **** C √√ *** D √√√ ** E √√√√ * NP Rating Code K √√√√√ √ Com pat i bl e power supply. * Ex t ernal i nduc t ance m ay be nec essary to l i m i t ri ppl e c ur r ent .
GEH -5304A 15 2. When intended fo r u se on a po wer su pply o ther than “A”, “C”, “D”, “E” or “K”, the m oto r wil l be id ent ified a s f o llo ws : M / N F - V - H - L Whe re M .
GEH -5304A 16 Th ermostats automat ical ly reset after th e mot or h as c ooled s omewha t. I n orde r to preven t pro pert y damag e or injury t o per s onnel, t he c ontrol c irc uit s hould be des igned to p revent re- en ergi z ing of the m otor when the th ermos tat resets.
GEH -5304A 17 Th e s urface o f a s pace h eater bl ock b ecomes hot wh en th e heater is energ ized. Th e temperat ure ri se above th e ambi ent t emperatu re may b e as high as 400 ° C. Av oid t ouching he at er block s which h ave recently b een en ergi zed to p revent bu rns.
GEH -5304A 18 Table 7 Bolt Tightening Torque Value s H ex H e ad (C1C5) Gr ade 5 Medium Car bo n Steel Thr ead S izes (W ithout L ub r icant) (U NC-2A) L b-F t N-m 1/4-20 7-9 10-12 5/16-18 13-17 18-23.
GEH -5304A 19 2. Noise and Vi brat i on Chec k f o r unus ual v ib ration o r nois es that might in dicate rub b ing o r in terfe re nce . Vib ratio n o f new mac hin es at the b e arin g ho usings , as me asu red b y a vib ratio n mete r, should not e x- ceed t he va lu es sh ow n in Tab le 8 .
GEH -5304A 20 A. D i sa ssem bl y The f o llo w ing pro c e dure s hou ld b e us ed f o r disas se mb ly : 1. R e mo v e all c o v e rs. 2. Di s e ng ag e b rus h s p ring s . 3. R e mo v e c o mple te b rushhold er ass e mb lie s. 4. Remo v e f o ur (4) n uts on CE bracket.
GEH -5304A 21 C. Beari ngs B all b earin g and rolle r be arin g ho usings are pac ke d w ith greas e at the f acto r y . There f o re, greas ing is not requ ired b e f o re the mo to r is put into se rv ice .
GEH -5304A 22 Table 11 Sou rces of S upply for Bear ing G reases GE Supplier’s Tem perat ure Designat i on Suppl ier Designati on Stan d ard T emperatu re D6A2C5 GE S uppl y GE B al l Beari ng 15 ° F to 2 12 ° F 158 Gai ther Dr i v e Grease (suppli ed i n -10 ° C to 100 ° C Mt.
GEH -5304A 23 a. U n f aste n pigtail. b . R ele as e s pring b y p ushing in slightly to dis e ngage lo cking tab , then pull s pring bac k . c. Rem ove br us h . 2. Bru s h In s tallatio n The f o llo w ing pro c e dure s hou ld b e us ed to install b rushes : a.
GEH -5304A 24 Do not us e liquid s olvents of a ny k ind. Solv ents will not remove car bon dust accumu lat ions, but will s p read an d wash th em in to cri ti cal areas.
GEH -5304A 25 G. Mec hanic al Chec k the c o ndition o f air f ilte rs and re place f ilte rs if the y are d irty . Chec k f o r unusu al nois es w hich w e re not pre se nt w hen th e unit w as o riginally installe d. Che ck all ele c trical co nn e ctio n s fo r tigh tnes s.
GEH -5304A 26 ues..
GEH -5304A 27 Fo r maximum insulatio n lif e, thes e thr ee c ause s o f insulatio n failu res s hou ld b e prev e nted: 1. Co ntamination. 2. Me c han ical f acto rs.
GEH -5304A 28 Table 13 Effect o f T emp eratu re o n I nsu lat ion Resist ance Winding Te mpe ratur e Mu ltiply in g Fac to r to O b tain In sulatio n (Deg r ee C ) R es istanc e at 4 0 ° C (104 ° F) 80 10.00 70 5.50 60 3.10 50 1.70 40 1.00 30 0.55 20 0.
GEH -5304A 29 Dirt can b e remo v e d f rom s tatio nar y par ts o f the machine b y either co mpr e ss ed air o r a vac uu m nozzle o r a co mbination o f b o th. Air shou ld b e direc ted b etw ee n th e s tato r co ils , into the p o ck et c o rners of be arin g b racke ts , around the cab le s and o nto the b rus h r igging.
GEH -5304A 30 FREON TF is a chlor ofluor oca rbon. Chlorof luoro c ar bons h ave been i den ti fied as upper at mo sphere o z o ne d epl eto rs. T h e u se of F reo n i n industr y is ex pec te d to b e great l y redu ced i n t h e fu t u re. T he avai la bility of Fr eon may be li mi ted , an d its us e could be prohibite d by r egula tions .
GEH -5304A 31 An extreme overl oad or el ectrical fai lu re may res ul t i n h eat ing or a rc ing, which ca n c a us e the ins ulat ion t o giv e off noxious f ume s . All powe r s hould be re - moved from t he mo tor ci rcui t as a precau t ion, even t hough the c irc uit ha s ove rloa d prote ct ion.
GEH -5304A 32 Table 14 Recommen d ed S p are Parts Num ber of Dupli cat e M ot ors in S er v ic e Mo re Descript i on 1 2-4 5-10 10-20 Than 20 Wit h or W ithout E lec tric al S hop Fac ilities Complet.
GEH -5304A 33 Comm utator C heck Chart For Com par ing Com m ut ator S ur f ace Mar k ings SA TIS F AC TORY C OMMUTA TOR SURFACES LIGHT TAN FILM over entire c omm u- tator surface is one of m any norm.
GEH -5304A 34 Figure 3 A pplica tion Info rmat ion f or CD2512A T – CD2813AT F rames.
GEH -5304A 35 Figure 4 Blowe r U nit, Com mut ator End Mount ed for Use With CD2512AT – CD2813AT F rames.
GEH -5304A 36 Fig u re 5 Dimens ions , Air O penings for CD 2512AT – CD2813A T Fram es.
GEH -5304A 37 Table 15 A ir Flow R equi rement s Fo r S ep aratel y V en ti l ated M o to rs Static Press ure Inch es of W ate r AB Base St andard Encl osed Speed S eparatel y Separ atel y Fram e RPM CFM Venti l ated V enti l ated 2512AT, 2513AT Al l 380 4.
GEH -5304A 38 Figure 6 Accessory M ounting CD2512AT – CD2813AT.
GEH -5304A 39 Figure 7 Accessory M ounting CD2512AT – CD2813AT.
GEH -5304A 40.
GEH -5304A 41 T y pe CD Fr ames 2512A T – 2813AT DC Mo t ors & G e ne ra t o rs Figure 8 T ype CD F rames 2512AT – 2813AT.
GEH -5304A 42 Ge neral Elec tric C o mpany We w elcome commen ts an d s ug gestio ns to mak e this pu blication mor e us efu l. Your Na me To day ’s Date I f needed, how c an we c o ntact y o u? Yo ur Co mpany ’s Name and A ddress Job Site Fax No .
GEH -5304A 43 Detach and f ax o r mail t o the address noted abov e..
GEH -5304A 44 ……………………………………………….…………………Fol d he re and c l o se with staple or tape ………………………………….
GEH -5304A 45 Doc u m e n t Re vi s i on His t or y Rev # Date Auth or ISAAC # Descri p t i on 0 12/14/99 GJG N/A Conve rsion from PageMake r ..
An important point after buying a device GE GEH-5304A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought GE GEH-5304A yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data GE GEH-5304A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, GE GEH-5304A you will learn all the available features of the product, as well as information on its operation. The information that you get GE GEH-5304A will certainly help you make a decision on the purchase.
If you already are a holder of GE GEH-5304A, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime GE GEH-5304A.
However, one of the most important roles played by the user manual is to help in solving problems with GE GEH-5304A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device GE GEH-5304A along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
