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Multitech 1777.8/7-10 G3 - page 1
Mult itec Operat ing i nstr ucti ons 1777.8/ 7 - 10 G3 High - pr essur e pumps i n ring - section d esign W orks No. : __________________________________ T ype ser ies: __________________________________ These operat ing i nstr ucti ons contain fundament al inf ormat ion and pr ecauti onary not es. Pl ease r ead the manual t horoughl y pri or to in ...
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Multitech 1777.8/7-10 G3 - page 2
Multitec 2 Contents Page 1 General 4 2 Safet y 4 2.1 Marki ng of i nstr ucti ons in the m anual 4 2.2 Personnel quali fi cation and t rai ning 4 2.3 Non-com pliance wi th saf ety i nstruct ions 4 2.4 Safet y awareness 4 2.5 Safet y instr uctions for t he operator / user 5 2.6 Safet y inst ruct ions for mai ntenance, inspect ion and i nstall ati on ...
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Multitech 1777.8/7-10 G3 - page 3
Multitec 3 Index Secti on Page Ad jus tin g d ime ns io ns for co up ling ali gnment, pump sizes 32 t o 65, ver sions E, Ex, F , Fx, V , Vx 31 Ali gning the pum p / dr ive 5. 3.1 8 Appli cations 4.4 6 Beari ngs 7.4. 4 22 Beari ngs and lubri cati on 7.2. 2 14 Checking t he dir ection of r otati on 5.5. 3 10 Commi ssioning 6.1 1 1 Commi ssioning, st ...
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Multitech 1777.8/7-10 G3 - page 4
Cauti o n Multitec 4 1 General The Mu ltitec pump has been developed i n accordance wit h stat e-of -t he-ar t technology; i t is manufact ured wit h utmost care and subject to cont inuous qual ity cont rol . These operat ing instr ucti ons are intended t o faci li tate oper ati on of t he pump and help i n commissi oning and mai ntenance. The manu ...
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Multitech 1777.8/7-10 G3 - page 5
Cauti o n Cauti o n Multitec 5 2.5 Saf ety inst ruct ions f or t he operat or / user - Any hot or col d components that coul d pose a hazard m ust be equipped wi th a guar d by the operat or . - Guards whi ch are f itt ed to pr event acci dental contact wit h moving part s (e.g. coupl ing) must not be r emoved whilst the unit i s operat ing. - Leak ...
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Multitech 1777.8/7-10 G3 - page 6
Multitec 6 4 Descr iption of the product and accessories 4.1 T echnical specif icat ion Mult ist age centr ifugal pumps in r ing- section desi gn with suct ion impel ler for low NPSH val ue (except ion: M TC 32). A Horizontal des ign, bas eplate mounted 1 cas ing entry , driv e end 1 ro lling elem ent bear ing, drive end 1 plain bearing, suction en ...
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Multitech 1777.8/7-10 G3 - page 7
Shim Foundati on bolt s ³ 800 Shim Shim Cauti o n Shim Multitec 7 5 Installation at site 5.1 Saf ety regul ations / Speci al instr uctions Elect ri cal equipment operat ed in potent ial ly explosi ve atmospher es must compl y wit h the rel evant expl osion protect ion r egulat ions. This i s indi cated on t he motor r ati ng plate. I f t he equipm ...
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Multitech 1777.8/7-10 G3 - page 8
Cauti o n Cauti o n Str aight -edge Str aight -edge Gauge a a b b a b a b Gauge Str aight -edge Str aight -edge Cauti o n Cauti o n Cauti o n Multitec 8 5.3. 1 Aligni ng the pump / dri ve Coupli ng guard In co mp lian c e with health and saf ety regul ati ons the pump must not be oper ated wit hout a coupli ng guard / a guard on t he dri ve lanter ...
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Multitech 1777.8/7-10 G3 - page 9
Cauti o n Cauti o n Multitec 9 5.4 Connecting t he piping Su ctio n lift line s sh al l be laid w ith a risin g slop e to wa rds the pump and sucti on head li nes with a downwar d s lope t owards the pump, t o prevent t he for mati on of ai r pocket s. Wit h short pipel ines, t he nominal diamet ers should be at least equal to the nominal diamet er ...
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Multitech 1777.8/7-10 G3 - page 10
1212:5 Cauti o n 1 145:31/2 1 145:32/2 Cauti o n Multitec 10 5.4. 1 V acuum balance li ne Wher e liqui d has to be pumped out of a vessel under vacuum, it is advi sable to i nstal l a vacuum bal ance l ine. This l ine shal l have a m inim um nom . diamet er of 25 mm and m ust extend above the highest perm issibl e li quid level of t he v essel. An ...
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Multitech 1777.8/7-10 G3 - page 11
Cauti o n Cauti o n Cauti o n Pump sizes 32 to 100 Pump sizes 125 and 150 Cauti o n Multitec 11 6 Com mi ssioning, st art - up / Shutdown Inst ruct ions for boi ler feed appli cati ons Limi t val ues for boi ler f eed water and condensate when using cast i ron pump par ts: pH val ue ³ 9.0 (t arget : ³ 9.3) O 2 content ≤ 0. 02 ppm. These v alues ...
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Multitech 1777.8/7-10 G3 - page 12
Cauti o n Cauti o n Multitec 12 6.1. 3 Contact guard In co mp lian c e with health and saf ety regulat ions the pump must not be oper ated wit hout a coupl ing guard. If the cust omer speci fi cally r equests not to i nclude a coupling guard i n our del ivery , t hen the oper ator m ust supply one. 6.1. 4 Connecti on to power supply If the pump i s ...
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Multitech 1777.8/7-10 G3 - page 13
Cauti o n Cauti o n Multitec 13 6.2. 2 Swit ching f requency The permi ssibl e number of st art -ups in a given per iod of t ime depends on the ci rcumst ances preva iling in th e pla nt an d th e operat ing condi tions. Overloadi ng of t he motor may gener all y res ult in : - an abnormal i ncrease in motor temper ature exceeding t he temper atur ...
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Multitech 1777.8/7-10 G3 - page 14
Cauti o n Multitec 14 7 Ser vicing / mainten ance 7.1 G eneral i nstr uctions The operat or i s responsibl e for ensur ing that al l mai ntenance, inspect ion and i nstall ati on work be per form ed by authori zed, quali fied per sonnel who ar e thoroughl y fam iliar w ith the manual. A regul ar mai ntenance schedul e wil l help avoid expensi ve re ...
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Multitech 1777.8/7-10 G3 - page 15
Cauti o n Multitec 15 Oil qual ity / Oil change Quali ty: ISO V G 46. The fi rst oil change shall be car ri ed out af ter 300 operat ing hours, the f oll owing ones every 3000 oper ati ng hours. Unscrew t he screwed pl ug in t he r e-f ill hole and in the drai n hol e. All ow the bear ing housing t o dr ain compl etel y , then pl ug t he drai n hol ...
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Multitech 1777.8/7-10 G3 - page 16
Shaft i n 1.4021 / 1.4462 Mult it ec 32 - 125 Mult it ec 150 Mult it ec 32 - 125 Mult it ec 150 Mult it ec 32 - 125 Mult it ec 150 Multitec 16 7.3. 3 Dism antli ng the bear ings The s ecti ons below describe par ti al dismant ling ( beari ngs, seals, etc. ) and compl ete di smantl ing of the pum p unit. 7.3. 3.1 Dismant li ng the non- drive- end be ...
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Multitech 1777.8/7-10 G3 - page 17
Cauti o n Grease l ubri cati on Pump ver sion V , MTC 100/ 125/150 (greas e lubric ation only ) Fig. 27 Oil lubr icati on wit h labyr inth seal Oil lubr icati on wit h lip seal Multitec 17 7.3 .3.2 Dis ma n tling th e driv e -en d rollin g e leme n t be a ring s N.B. : The cer amic bear ing inst all ed at the non- dri ve end need not be di smantl e ...
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Multitech 1777.8/7-10 G3 - page 18
Multitec 18 7.3. 4 Dismant ling and replacem ent of shaft seal Gland packi ngs 7.3. 4.1 Replaci ng the packing r ings Access to packi ng ri ngs without r emoving t he beari ng or t he lant ern: - Undo both nut s 920.3 and pul l gland cover 452 out of seal housing 441. 1. - Remove packi ng rings 461. 7.3. 4.1 Replaci ng the shaft pr otect ing sleeve ...
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Multitech 1777.8/7-10 G3 - page 19
Cauti o n Cauti o n Multitec 19 7.3. 5.2 Removing an ai r- cooled mechani cal seal (seal code 64) Fig. 33 N.B. : This mechanical seal desi gn is used f or applicat ion temper atur es fr om 140 to 200 ° C and Mul ti tec si zes 32 to 100. The pump shall only be coupled t o a mot or wit h enclosur e I P 55. - Remove t he bearing as descr ibed i n sec ...
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Multitech 1777.8/7-10 G3 - page 20
171.5 230.1 540.3 Cauti o n Cauti o n Multitec 20 7.3. 6 Dism antli ng the hydr auli c system - Remove t he bearings as descr ibed in sect ions 7.3. 3.1 and 7.3. 3.2 and t he shaft seal s as descri bed in secti ons 7.3. 4 and 7.3. 5. If possible, pl ace the hydr aulic syst em in ver ti cal posi tion and star t di smantl ing it fr om the dischar ge ...
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Multitech 1777.8/7-10 G3 - page 21
12 34 Cauti o n l d i d a Multitec 21 7.4. 1 Ti ghteni ng torques - T ie bolts, par t No. 905 Mater ial codes 10, 1 1, 12, 13 (casing: cast i ron) Pump size Ti ghteni ng tor que Nm Mu ltitec 3 2 85 Mu ltitec 5 0 140 Mu ltitec 6 5 250 Mult it ec 100 395 Mult it ec 125 600 Mult it ec 150 700 Mater ial code 20 to 30 (Casi ng: steel or st ainl ess stee ...
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Multitech 1777.8/7-10 G3 - page 22
Cauti o n Cauti o n Left - - hand spr ing Right- - hand spring Shaft rotation: an ti -clo ck- wise Shaft rotation: clo ckwi se Vie w towards the spr ing- loaded ring Cauti o n Multitec 22 Mechanical seal s Mechanical seals are pr ecision component s. The seat ri ng and t he spring- loaded ri ng must always be repl aced toget her , i. e. al ways rep ...
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Multitech 1777.8/7-10 G3 - page 23
Cauti o n Cauti o n 1.) Tighten nut to torque M1 , then loosen again 1.) Tighten firs t nut to t orque M1 , then loos en again 2.) Tighten firs t nut to t orque M2 3.) Tighten sec ond nut to t orque M3 , at t he same t ime block ing f irs t nut 1.) Tighten firs t nut to t orque M1 2.) Tighten sec ond nut to t orque M2 , at t he same t ime block ing ...
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Multitech 1777.8/7-10 G3 - page 24
Cauti o n 0.2 ...0.8 mm 0.2... 0.8 mm Multitec 24 If t here is no sui tabl e torque wr ench avail able f or tight ening t he shaft nut s, proceed as fol lows, depending on the pump versi on: Self- locking nut on dri ve end (or non-dr ive end on versi ons C und D) G Ti ghten the shaft nut f ir mly G Loosen the shaft nut again G Apply thr ead-l ockin ...
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Multitech 1777.8/7-10 G3 - page 25
Fig. 42 Cauti o n Multitec 25 Radial bear ing V ersions C and D are equipped wit h a deep- groove bal l bearing as radi al bear ing. ( The other versions are f it ted with a plain beari ng in t he sucti on casing). The outer r ace of t he deep-gr oove ball beari ng must have axi al play . The bear ing is inst all ed wit hout spacer discs 551.1. 7.4 ...
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Multitech 1777.8/7-10 G3 - page 26
Pump deli vers ins uffici ent flow rate Motor is ov erloaded Pump is running, but does not deliver Exces si ve bearing temperature Leakage at the pump Excessive lea kage at t he shaf t seal Vibrations during pump operation Excessive r ise of te mper atu re insid e the pu mp Multitec 26 8 T rouble - shooting Cause Remedy 1) * * * Pump deliv ers agai ...
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Multitech 1777.8/7-10 G3 - page 27
Pump sizes 32 t o 100 Radial suct ion nozzle V ersion wi thout balance dr um wit h mechanical seal Axial suct ion nozzle up to pump si ze 50 Axial suct ion nozzle pump size 65 and above 1) f or pump models with mec hanical s eal only 2) pump size 65 and abov e 3) pump size 100 and abov e 4) except pump s iz e 32 5) pump sizes 32 and 50 only 6) hy d ...
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Multitech 1777.8/7-10 G3 - page 28
Multitec 28 Close- coupled pump up t o pump size 65 Radial suct ion nozzle V erti cal design Pump sizes 32, 50 and 65 V erti cal design Pump sizes 100, 125 and 150 1) f or pump models with mec hanical s eal only 2) pump size 65 and abov e 3) pump size 100 and abov e 4) except pump s iz e 32 5) pump sizes 32 and 50 only 6) hy dr aulics 9.2/10.2/11.1 ...
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Multitech 1777.8/7-10 G3 - page 29
Multitec 29 Pump sizes 125 and 150 1) f or pump models with mec hanical s eal only 2) pump size 65 and abov e 3) pump size 100 and abov e 4) except pump s iz e 32 5) pump sizes 32 and 50 only 6) hy dr aulics 9.2/10.2/11.1 and 12.1 only 7) f or v ariant w ith balanc e drum only Mater ial codes 20, 21, 22, 23 and 30 Retur n of bal ancing li ne MTC 15 ...
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Multitech 1777.8/7-10 G3 - page 30
Multitec 30 9.1 Li st of components This l ist incl udes all component s ment ioned in t his document Part No. Descri pti on 106.1/ 2 Suction casi ng 107 Discharge casi ng 108.1 Stage casi ng 160.1/ 2 Cover 171.1 Di f fuser 181 Pump stool 182 Foot 210 Shaft 1) 230.1/ 3 Impell er 1) 231 Suction st age impel ler 1) 320.1/ 2 Ro lling e lem en t beari ...
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Multitech 1777.8/7-10 G3 - page 31
Bild 4 4 Fig. 44 Ac htung Attenzion Cauti o n Multitec 31 Adjust ing Dimensi ons for Coupli ng Alignment , Pump sizes 32 to 65, Pump versi ons E, Ex, F , Fx, V , Vx Cotes de r églage pour ali gnement de l ’accoupl ement t a illes 3 2 ju sq u’à 6 5 , E xécuti ons E, Ex, F , Fx, V , Vx Einst ell maße für Kupplungsausr icht ung Baugrößen 32 ...
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Multitech 1777.8/7-10 G3 - page 32
1777.8/7-10 01.06.2006 Subjec t to technic al modifi cation wi thout prior notice. KSB Akti engesel lsch aft P . O. Box 1361, 91253 Pegni tz · Bahnhofpl atz 1, 91257 Pegnit z (Germany ) T el. +49 9241 71-0 · Fax +49 9241 71-1791 · www . ks b. c om Multitec ...
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