Gebruiksaanwijzing /service van het product H-5304A van de fabrikant 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 ..
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