GE GEK-95352 manuale d’uso

GEK-95352  GE Industrial Systems Instru ctio ns Vertical Induction Motors Hig h Thrust Ho llow an d So lid-Shaft In -Line Solid -Shaft Fram es 444- 5011 NE M A Type P Ba se Weather P rot ecte d Ty pe I an d Ty pe II[...]

GEK-95352 2 CONT ENTS S ub je ct Pag e Safe ty Prec autio n s ...................................................................................................................................... 3 In trod uc tion .......................................................................................................................................[...]

GEK-95352 3 Safet y Precauti ons Hig h voltage and ro tating p arts ca n c aus e s erious or fa tal in- ju ry. Install ati on, operati on and ma i nt e n ance of elect ric machi nery shoul d be p er- formed b y qu alifi ed pers onne l. Fami li ari zat io n wit h NEM A Publication MG-2, Safety Sta ndard for Constr uc- tion an d Guid e for Sel ection[...]

GEK-95352 4 I. INT RO DU CT ION Gene ra l E l e ctr i c high - t h rust v ert i ca l m o - to rs covered by t hese inst ruct ions are care f u lly co nstr uc t ed of high-quali t y ma - t eri a ls and are desi g ned to give l o ng and t rouble-free ser vice whe n pro per ly in- st alle d a nd ma int a in ed . The se mo t o r s ar e gene ra lly u se[...]

GEK-95352 5 W e at her-Prot ect ed II m o tor c o nstr uc t i o n is shown in Figure 2. Thi s encl o sure is character i zed by addi t i o nal protect ion at t he a i r inlet and outlet passages and by gaskets, dr ain s, a nd other f eat ures to make i t su i t able f o r use o utdoors i n severe climat es. Fil t ers ca n be supp lied for t he a ir[...]

GEK-95352 6 III. I NST ALLATION Ins talla tion s hould be in accor- danc e wit h the Na tiona l E lect ri- ca l Co de a nd c ons is tent wit h s ound loca l p racti ces. Cou pling guar ds s hould be ins talle d as need ed to p rotect against acci- den tal contact w ith moving parts. M achines access ible t o pe rs onnel s houl d be fur the r gu ard[...]

GEK-95352 7 Th e SYSTEM RE ED CRIT ICA L FREQUENCY shou ld b e 25% above o r be lo w mo t o r o p e r a t i n g s p e e d i n o r d e r t o avo id excess ive vibrat ion. C. Alignm ent of Solid-Shaft M otors A ccu rate m ech ani cal li neu p i s es sen tial f o r success f u l oper at i o n. Mechan ical vi- brat i o n and r o ugh nes s wh e n the m [...]

GEK-95352 8 half - co upli ng, and the top half - co u plin g mu st not bind o n t he l o we r half. Ot herwise, t he adjust in g nut l o ck-screw ma y break inst ead o f t he co upl ing halves se parat in g. Shou ld t hi s happen, the motor woul d co n- t in ue to drive the pu m p line shaf t , and the j o in t s woul d co n t i nue to un - screw.[...]

GEK-95352 9 Po wer supp l y p hase-sequence rever- sal w ill a ls o cause t h e m o tor to re- v ers e and un sc rew th e pum p sh af t, b ut this rarel y o cc urs. A n a n t i - phase-reversa l re lay can be in co rpo- r at ed in t he mot o r co nt ro ller if d e - si red. To pr ev ent unco upli ng o n ini t ial st art- up, check m o tor r ot atio[...]

GEK-95352 10 sp r ing s ma y be re m o ved to de cr ea se wear o n t he ratchet pl at e. P in s a nd springs are m ade o f heat- t r eat ed st ainless st ee l . A co m p lete non-r ev er se coup ling co nsists o f a se lf -r ele ase co up li ng p lus a no n- r eve r se a s se mb l y, wh ic h inc lu d e s p in c a r r ier , p ins , sp r ing s, p in [...]

GEK-95352 11 + 5% and a c o mbi ned variat ion not to exceed + 10%. 3. Position o f the Condu it Box W h e n mo u nt in g c o nd it io n s p e r m it t he c o nd u it bo x ma y be t ur ned so t hat entr ance can b e made upward, dow n wa rd , or f rom ei the r si de . F. Lubricat ion Moto rs wi t h oil- lubr i c at ed bear in gs are shipp ed withou[...]

GEK-95352 12 See Fi gure 4 and t he fo ll o wing para graph s f or f urt h er i n structi o n s. Also see m a inte nance inst ru ct i o ns. T o ma k e w a t e r co n n e c t io ns , s i m p l y re m o ve the pi pe p l ug s ( f urnished f o r shipp ing) f r o m b ras s fi t t in g s B and mak e co n nec t io n t o fe ma le p i p e- t apped hol e in [...]

GEK-95352 13 NOTE SE E IEEE RECOM MEN DED PRA CTICE F OR TES TING INSU- LA TION RESISTA NCE O F R OTA TING MACHINES , PUBLI CA TI ON NO. 43, F OR MORE CO MPL ETE INF OR - MATION. If the insu lat ion res istance is l o wer th an th i s v al ue, i t m ay b e w et a n d i t is ad visa ble to elimi nat e t he m o is- tu re i n on e of th e f oll owi n [...]

GEK-95352 14 ta i n th at i t r ota te s i n th e c or re ct di - rect i o n. If i t i s necessar y to ch ange ro ta ti on , i n ter c h an ge a ny tw o l i ne leads. For m u lt ispeed m o t o rs check each speed in dep ende nt ly . O n VHS m oto rs d o thi s b ef ore i n sta l li n g pu m p head-shaft and upper h a lf - co upl ing. Some m o tor s [...]

GEK-95352 15 V. MAINT ENANCE Before ini tiating ma i ntenan ce proc ed ure s , dis connec t a ll power sources to th e motor and accessori e s . Fo r machin es equi ppe d with s urge c a pacitor s do n ot ha ndle ca pacit or unti l it is dis char ged by a co nduc tor sim ulta ne ous ly touc hing all termi nals and leads, incl uding grou n d. T his [...]

GEK-95352 16 NOTE : W HENEVER THE DISMA N- TLING OF COUPLINGS IS NECES - SA RY , THE U SE O F W ITNESS MARK S W I LL ASSU RE A BAL - ANCED CONDI TI ON WHEN RE- ASSE MB LY I S COMP LE T E. Bo lt s o n bo t h bo lt ed c o u p ling s and no n- reverse co up li ngs shou l d be checked pe- ri od i c all y to b e s ur e th ey a re ti gh t. S e e re com m[...]

GEK-95352 17 TA B LE I I OIL VISCO SIT Y (For a part i cular motor , ref er to the lubri c ati on nameplat e or i nstructi ons.) Beari ng F uncti on Oil Vi scosit y - SUS and Locati on Beari ng Type @100 ° F@ ° 210 F GE Sp ec Thrust B ear i ng Angul ar Cont act Ball 150 45 D6B6A (In t op endshiel d) Spheri cal Roll er 600 70 D6B14C1 or 300 53 D6B[...]

GEK-95352 18 i s ob tai n ed . Th e n ut s h oul d th en b e l o cked w i t h i t s l o ckwas her. If equ i p ment i s not available to use th i s m eth od , th e f o l l owi ng pr oce - du r e ma y be u se d . T ig ht e n t he mo - to r shaft nut carefully unt il a ll e nd- pl ay i s rem oved an d the ro tor j ust fail s to t urn f r eely . Then b[...]

GEK-95352 19 line up. Turnin g t he n ut f ro m o ne l o ck ing pos i t i o n to t he n e xt repre- s en ts a c h ang e of en d-pl ay of a p- pro xima t e ly 0.0028”. When run un co up l ed fro m t he p u mp , t h e mo t o r ma y h a v e e x c e s - sive vibrat i o n. If s o , it shoul d be checked with zero end-p l a y. The th rus t b e ari n g [...]

GEK-95352 20 2. P l ace co il ( wit hout inl et / o u t - let pi pes C) in e n ds hield an d secure loosel y. 3. Stic k inl et- o u t l et pi pe s C t hro u gh ho l e s in e nd s hie ld wa ll a nd check line up of p i pe s and e nd shi e ld h o l es by screwing pi pe s loo se ly int o coo lin g c o il e lbo w. P i pes sho u l d be cent ered in hole[...]

GEK-95352 21 e qui pm en t, an d on th e i n sul a t i on syste m . Ho wever, vacuum and/o r co m pr essed a i r cleaning with non- meta lli c hose t i ps s hou l d precede cleaning wi t h wat er and detergent o r wi th s o l v en ts. Ti gh tl y adh e ri ng di rt may r equire gent le brushing or wiping to ge t i t loo se. To preven t inju ry to eye[...]

GEK-95352 22 Windings cleaned w i t h so lv e nt sh o uld be dr i ed t horoughly by c ir- cu l at i o n of dry a ir bef o re vo l t age i s ap p lie d . *One co mm er cia l so urce of 1, 1,1 Tr i c hl o ro et han e is Chl o rot hene NU, which i s a Trade-m ark of the Do w C hem ical Com pany , Mi dl an d, Mi chi gan . 5. Revarn i sh i ng W indi ngs[...]

GEK-95352 23 VII. T ROUBL E SHOOTING CHA RT Affected Part s Diff i cult y What t o Ch eck W indings Ov erheat ing • Cali br ation of m easuring i nstrum ent • Exces si v e load • Unbalance a-c c ur r ent • I m proper or r estri c t ed ventil ati on • Exces si v e ambient temperature • Short circ uit ed coil or windings • Dirt y windin[...]

GEK-95352 24 FIGURE 1 TYPICAL H O LLO W- S H AFT H IG H- THRUS T WEATH E R- PRO TE C TED I MO TOR WITH ANGULAR-CONTACT B ALL UPPER THRUST BEARING. SELF-REL EAS E COUP LING IS SHOWN ON LEFT SIDE AND NON-REVERS E COUPLING IS SHOWN ON RI GHT SIDE.[...]

GEK-95352 25 FIGURE 2 T YPICA L SOL ID-SH AFT , HIGH-T HRUS T MOT OR WITH SPHER IC AL-ROL LER UPPER T HRUST BEARING. WEAT HER-PROT ECTED II ENCLOSURE SHO WN IS AVAIL A BL E IN FRA MES 509-5011 BU T NO T AVAI LAB LE IN 444-449 FRA ME S.[...]

GEK-95352 26 FIGURE 3 T YPICA L UP PER BEARING CONST RUCTION FOR SOLID-SHAFT WEAT HER-PROT EC T ED I MOT O R. HIGH UP AND DOWN THRUST CONST RUCTION IS SHOWN ON THE RIGHT AND IN-LINE CONSTRUCT ION I S SHOWN ON THE LEF T. ENCLOS URE I S T YPI C AL OF 444-449 FRAM ES. SEE FIGUR E 1 F OR 509-5011 FRA ME ENCLOSU RE .[...]

GEK-95352 27  We we lcome co mment s and su g g e stion s to ma k e this p u b licat ion mo r e use fu l. Your Na me To da y ’s Date If needed, how c an we c ontac t y ou? Yo ur Com pany ’s Name and A ddr ess Job Si te Fax No . GE R equisi tion No . Pho ne No. Yo ur Job F unction / Ho w Yo u Use This Publ ication Public ation N o. E -Mail Pu[...]

GEK-95352 28 ………………… ……… ……… ……… …….……… ……… …Fold here and clo se with sta ple or tape ………………… ……… ……… .…………… ……. Pl ace Sta mp Here GE INDUSTRI AL SYSTEMS INDUST RI AL ENGINEE RING TECHNI CAL PUBLIC ATIONS E DITOR 2000 TAYL OR STREE T FOR T WAYNE IN 46801-220[...]

GEK-95352 29 Doc u m en t Revi s i on Hi s t or y Re v # Date Author ISAAC # Descri p t i o n 0 12/03/99 GJG N /A Conve r sion f r om Page Maker.[...]