Tractor U-650 index 4

8/3/2019 Tractor U-650 index 4

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c u r iA D E V l r E Z EUNIVERSAL 300; 340; 350;445


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, I m I D I C 3 . 1 . 2 1 1Romania

(Sizes i:1 tr.!!'l)teeth off1'1. 02/5 and52/6) 0.2.00 ... 0.200

between gear ring teeth

hub (136r ax~crnal teeth,=2/9) acd ~educ~ion g,ar0.070 . 0.130

betwee~ i~t2::::hc;1 $?li:::es82/7) D.CiG ' .. 0.170~"_=,,,",', be


3/22

1 7

:;arnal c i.ame t.e r of mas t.er sha:t- slidin~ sleeve [9, fig. E2!5) 36.030 .. 36.030erfarence-fit be~Neen m~s~er sa~~tsliding sleeve 0.020 ... 0.270~!1ernal diameter of si?~ir:.ed bushes-:, fig.S 2/6) 44.959 ... 44.971

:..ernal dLarne t.e r of 2nd and 3::::d(1 and 3, fi;.32/6) 45. OSO .. 4.5. C i'S(land 3, ig.E2/6) D.. 079 ... _ 0.116

p e : : - : : : . i s s i : t J l e p . l a y O.lOOf o r k b o r ' E ! f o r s l i c . . ! . ; : S:fig. B2/IJ O.S'::O 4S.0CO

of reduction gear fcr~ -is. DQ .. -48.290_ay :: 'eL,"e~!" ' . fork (51, ~ig. 5,2/7) a_":.c_ ~ci.:.lg sleeve (42) 0.130 ... O ..~50

wid~h in sliding sleeve (~2,E2j7) for fork (51) 8.230 ... 8,370width (51, fig. 22/71 in zo~e ~~the bare of slidin;

7.910 . 8.000-::_ey betl .....8n fork (51 r fis'. :a2!J') ar:,::_"3 bore. ':"0slicing sleeVe (';2) 0.230 . 0.46.0

of lock ring (64, fiS. E2/Slsha.:t (7) 2.950. 3.050~cknes,:s 0:: spacer (65, fiS'. 3:2/5)- r bear ins ( a 4 ) 6.100-ic~ness of thrust washer (66, =~g. E2/6)- - = cear:i_r.g (85) 2.990 ... 5.000::nickness of internal C2SC (57 j fig. 52/7);;:)r gear ri:1g of reduction gear (3G} 2.970

1


4/22

l.ckness of fr Lct.Lon disc (68,g. 82/7) for gear r~ng of re-(36) 1.440 1.560dck~ess o~ securi~~ rlisc (09,g. 32/7) of reciuc&ion gea~ __ _9 (36) 3.250 ... 3.700~ckness of friction washer (70,g. B2/7) o ! r eeu cti on gear spiderriforis (37) 1.440 . 1.560

l a . " ' T I ' t.e::: oisear SC::-:: ::'J..ng fork snaf ts.3, 44 .. and 47, fi:;. 32/5) 14.973 .. 15.000. amet.er c:: bores i::: ;ea:::bcx. housingza , fig. E:j7) ~or ~c=k sha~ts 15.026 ... 15.059~ay bet~een sha~ts (43, 44 and 47,g. E2/S) end bo:::es 0.016 ... 0.086

B2/i) 1l.9i3 ... 13.000

:i.8.u16 ... 18.0591

!le.y be::~r:e~nst.a:t (~Sf fig ..B2j7)rnd ooz-e 0.016 .... 0.086~re i~ :::eve:::se sea::: (~, is. B2/6),Eor bush (5) 28.900 ... 28 ..950

29.000 ... 29.130Inte::::2::-e:1Ce-':i t Le ':.-"e8:'1 gear (4 IiS. 32/) and ~ush (5) 0.050 ... 0.230

c.ia.::Je'.:2."::-i cu s n (5,'::g. B2/6) 25.065 ... 25.098of reve::-se s e 2 . . " : : - shaft (40,52/0) 24.979 . 25.000

be-':'-"lee:1 sr.e ft; ( . . J . Q r fig, 32/6) andush (5) 0.065 .. 0.119axi.illlliil. pe rnu.s s iz Le ?lay 0.300

de

--. _.---_-


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~meter 0: spider pi~ion shaft ofjuction gears (72, ~ig. B2/7 and3, fig. B2/9) 1


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m I D I I ~ , I I 1-~---1 34 . -- _ _~"O I I- . . . ' 1 . ~- 7.09.1987. IREP~.I2: DATJ\

(Di~ens~ons in ~m)Bore dia, in~e: case o!bear':"r:.g o 79.988 - 80.01830res dia; case of i~~e=-me d': "a te g ea r s haf t1 , -$ 0 . o 20. 00 0 - 20. 0212. ~ 32.000 - 32.023. ;j o " i -I " !I I' ..Dia 0: intermediate Searshaf-t1. . . . ... . .. '" .. " .. . " ." . . . . " .. " . . . . . " . . . . ~ 19.979 - 20.0002. 32.000Clea.::-ar:ce be-::-,.;een cas eb o r as

1. .. .. ;;. o f .. ~ ~ ....... " .. .. O J . . . ~ .. . . O.O~2.2.30:-2 :'~a I i!l-~er::'l.ed':9, " : . " 3 s-:-.a':-:case1 ~ 20.000 - 20.032..... .. #,1 I .1.>" Ii .- ........ , .........2. ..... I i ~I .. .. .. oil ' I . . ; " . ~ 38.000 - 38.025

,~. . ! 4 .. '. " ... ~ 19.-979 - 20.000?e ~.~ j.,.F . Q 37.975 - 38.000Clea=anGe be::",Neen i:tta:r:neciate5ha5~ and case bores1. ...... i ,I ; " Ii .. , f " 0.0422. : - . . , I" ' .. . . A ~ 0.050D~iven gear bore ~ 35.000 - 35.025oute r dz.a of output sh2.:~bus a ~ 34.950 - 34.975


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B2 2 8

TIGF.':'::::~I!,.G TORQUESDeno:nination Thre.;ldsize

(i;';et::::.-ic)To:-que{ c . a z . . : m

1

Easteni::; sc:-ews of transmission~ousing cover H 8x1.25 1.3 ... 1.5?asteni~g screws of gearbox topeove r (~i}, :'g. E2/7) H Sxl. 25 2.5 ... 2.7?astening screws of clutch shaft':lOlde:r (93, fig. B2j6) H lOxL25 5.7 .. 6,3~astBning sc:::.-ewsf return springhoLder of selector lever plat~(C4' fi~. 32/2) N 8 ::0:1 .2 5 2.5 ... 2 ..7~a5teni~; sc:::.-ewsf shifti~g fork~ol~er c~ creeping-speed trans~!5-

~.~lC:~I. 2:; 5.7 ... E.3Screws fer gea:::.-box iasteni~g to't.::ansmissior;housing (98,fig.'32/"{) !- l 12xl.5 o - ,,,-~.J _v.::l

F astening sc:.rews o f hydraulic ?t:r:l?suc t.a.on pi:;:e H 12xl. 5 9 .. . 10

: , , 1 22x1.5 35 . . . ';'0H 12xl.5 9 10

.ut of seco:1c.ary shaft (CU,fig. B2/S):'asteni:-.S screws of f ixec gee.:L r:'ngof reducti~n gear (96, fiS. E2/7)

The above-mentioned fasteni1!


8/22

T'ac:Orul Brasov Tractoru! Wor" a , a s > : ; "

DI3ASS2-lBLY. A3SI::S:'Y. ].I;J ~'i'~SI:TS A"il) SI?ECI;I.L O?E.f.:.,\TIO:;S-~-----

:;>era:tior:s g::'ven in chapt ar 31, conce rn i.nc '!:.;"e removal of cLi;t.ch ,_Den proc8ed as ~ollcws;

gearhox (28, fiS. 82/7);

- li!~ the housi~g of g~a=hcx (Z3, ~!;.32/7). by means o~ aczane (see ;C:ig. 32/1);

(ftg. B2/1} / -taking car s not -:0 C.2.,.2.;e -::'~2 S~i:::::' 05 p.t.o. clutch;

- unsc:::.-e'..; the magnetic pl:J; ::3 2/" 7 ) a~d drain the oil:iJ..6 rgearbox nousir:.g;

-renove . tne . comple


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10/22

CR,- .'- ,(~

~~ I. ," ,7;1-l' 7 . . .. ~:;:jd 1 } 0 } 9 8 5 ~ .- remove tile fozk (21, ::"9. B2(3) and the shaft (36) by

.Iooseninq the fasteD-ing- scr ews (C12);- unscz ew the fastening sczews (Cst fig. 32/3} and withdraw the

clutch sha=~ (39, fiS. 52/6) with its hoLder (73) t as well as thecoupling (10);

- w i,< .: .n c: ::: aw the coupling (10, fig .. 32/6) fz om clutch shaft and,ne'cess az-y, d.i smant.Le it into i,ts component.s, ~y uns cr ewi.nq the

(17) and s'cr e....s (16),remove the boLt s (S, 11 and 13, fig. 2/4) after releasing

from the S11if::ing fork leve::-s (9 and 12}, as well as fork (14),;J,y wi thcrav:ing t:'e ?ins (112 and 1141 fig. B2/5); then r take t.helevers (9 anc. 12) ane fork (14) out the housinq.

- Re::-.o~e:-:'e s;?2.cers (53 ~ r : . c . 54" fi.g. 32/5) and take care notlose 5?ril~;;S ,(35) and balls (122);- wi t.:OC.:-2;'d the be 2 .t (19, iig ,.5 2/4) wi tZ1 fark (20) and sliding

sleeve ci reeuc~1on gear (~9);- loose~ the fastening screws (C9, fig. 32/4), withdraw the

planet,2.Y}, rec;Jct:ion gear unit and dismantle it into its components,loosening the screws (96 anf 89);- unscrew the' nuts (99, :::'1.S". B2/5) r st.ucs (97} and withdraw

che cove=s (58, ~ig. 32/7 a~d 59, fig. E2!5),by using a puller;engage simu.i.taneous Ly two gears and ur.screw the fasteningof bea=ing inner races and driven gears (e13, fig. B2/8) 1remove tl.e gasket (78, fig. B2/5) and withdra.w the master

shaft (7) ~ith bearing (83), splash ring (63) and drive gear (29)::rom t!1e f:-ont ~art cf gearbox, by following t~e direction indicatedby arrow in ig'.B2/4;


11/22


12/22

eft 62

. . .l. ,. 51. { ! J J ~ l . . m 1 l~ - 'I l l. Q . ',' I. . ,'94" 16.. 40'1 5

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13/22


14/22

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t",ItII~riLi[,f~!,r

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14133 1 ' 1 " 1 9 . 8 2 19


15/22

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t3,Itt

91

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r1 ,r.


16/22

193

- loosen 'the scr evs (15:':) 2.:1dw a.sne.r s (135, ~iS'. B2/9) andwithdraw t~e holder (l~~) Iro~ ~he housing;

- loosen t;"1e sere v:s (S, ::ig. 32/l0) I r emove -the cover (6) .and

dis;:-,antle it: i~t;_) i::.s ccmpcnerrt s by Loosan.Lriq the scr-ews (7) ands ecuring ?!ate (3);

scz ews (1.60, iig. E:2/5):- loosen ::.~e screws (11, .:::~S. 32/10) and r,.;it::'draw the auxiliary

. _ - - - - _ ,1.Jb. ..... _';;"

-:ig. 32/~) 2.~~ :;~"::1c:-:=o:~:__ze:::-e.~=s (!. ace 3 j =ig. '8,2/6)" as ~/el1 ascreeoinc-sDeed- - -

trans;;liss.i:::H-.'s (4.2, ::i;. 32/7 a::oc.139, 14J, =is. 52/9) for seizing

i:2/6} ec-;es; if necessary,=or

t::'etoot.~eQ ~t:.~ (33,=i;. E2/6); d2.:-:1c~edteeth can be detacted by

in good ccnc.ition;


17/22

- check the surfaces of i;"!:-:.erushes (4 1, fig. '52/6) a:1d their.eats in gears (l and 3) for being in good condi.:::'on;

- check the thickness of friction washers (70, fig. B2/7 a~d~ig. B2/9 ) placed to the spider pinions o! auxiliary and creeping-~eed transmissions provided with reversing unit and that ci ric-:ion rings (53) and replace t~em if being excessive~y worn off;- crieck the guide plates (oi. fig. 52/13) for cleen scz-at.ches

(pa.y a paz t.r.cul ar attention to proeminence R);check t~e functional feature of lea~ s; ring ?laced to synchro-

nizer unit (60. fig. 82/13) by ap?lying a load of 1.43 .. 1.58 daNon the can ~:-al :,;Jar"'.:of p lat.e r celectio:: must be 0: 1":; ~;

fig. 32/6 e~d 69, fig. a~/S).

For t:"1 assembly of gee.~box, follow the r e ve z s e ! ,) ro ce au re ofd i.s as senbly and the spec i.e I ope.r a t.Lona given be Lcw ,

For esseraoLy of synch ronc.aez, proceed as follows;-.install a synchronizer ' : : : - ' : " ' : 1 g (50, fig. 32/12) and t~e fixed

sleeve (59) wi~h the t.hree SlOaCrc.:1ts p r o p e rLy placed. Ln ~he recessesof ring (58) and the engaging r'cund partstc1,o,axcishe gear (66) onthe ge-ar (66, ':i9. B2/12) whic;" is ?rovi.dec. wit:-~ s"?lined bush (41,fig. B 2 j" 6.) i

- install the sleeve (62, ~ig. B2/12) so t~at t~e big teeth (0)delimit the 5!?lined quac.rants of fixed hub {59);


18/22

3R

The previously merrt.Loried assembly condit.Lon is theonly way which allcws the asymmecr aca), fitt::"ng ofsplines (V, fig. B2/12) from sleeve (62) with res?ectto the toc t.aad quadrants of hub (59), for a propersettling of p[" oeminances R of guide plates (61, fig.52/13) into their places.

-fit t.ne leaf ,spring (60, ::19". B2j13) en the guide plates (61)i'lthe empty places;- fit the second syncnxon Iaer ring (3~; fig. B2/6) wi - e n the

hree toothed quedz-arrt.s Ln registe:::- ,,;ith t::'at of previous ri:l.g;hen, fit the ge2r {3), completely w i : ; n s?li:lec. :bush (H).

- check the sliding sleeve and the la~e~a! gears fer a properngagement.For t::'e assembly of creeping-speed t::::a:-:s;:Jissiar., proceed 2.5

ollows:-; fit the spider pinions (37, fig. E217} on ::"'''18 holder (6) and

pply a thin layer of Lubricant; grease of t~e 12 needles (88), forpro2er sliding inside the spider 9ir.ions;-fit t.'1ewashers (70, ig. '02/7), bolts (72), pla.te (69) and

ighte,n the screws (89);- secure the flush screws (V, fig _ 52./15) ,",~.i.ch.fa.sten the t!1urstta (55)0 spider pinion shaft (72) Ln t.....opos sit;e paints,

cnq ~he slot of screw he adr- the comp1ete auxiLda.ry t.ransraf.ssLon is placed in the housing I

the fitting of inner plate (45, fig. E2/14) with the greasingillings dispos ed as i.Ll.ustr at.ed in ,ig. 32/14"-; the fastening pin plate (45) is shown by arrow in the figure.


19/22

Fig. 92112

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I l o :de P;tol. .atGre $I e~tanI O O CU m !l ,(n aU G ~ 1;""~lItarll Dp~re1tl1ll bcrl'''lit1ent~lipn, Depaf:tm'''. \! R . E F ~ . : 5 > ] - . -;.;

J.,:,~~,,/\ /~,'::;;-~t'.~:.5~;;~~7~"d~-


20/22

'or the assembly of leek system,engage simultaneous ly twocs and proceed 2.5 follows {for this position of bolts and gears l' - rn2.r.k~h:[ee points on ':.he 101,0/2= ed'ge ofr.oles for the 9in5 offting leve=s a!" !dforks (~8, 4 9, 50, fig. B2/5) I to avoid theling of flexible pins (112 and 114) outside;-fit t~e three s?:-ings (17, fig. :02/8) in their bores from theSing r as well as L'r18 lock:ing balls (16 J ,which are proviced withricant grease ,and ':.he fork shafts, by using a punch (P, fig.E2/1. ccmpz-ession of s:rings, as illustr2:ted in fig. B2j16- (the.owa used in the =iqu::-e. snow the correct .assembly sequence) ;- fastentne gear shi'::t'::'::Ig fozks by the pins (112 aBC 114, fig.

IS ) i fit the fle~:'~le Fl.!':S \'1:'ti1 the s lot on the di;!;:"ec~ion 0::' i'ork

It is advis abLe to ooserve t.ne fo_lo\or.:':!g indications:- the heer!ngs (63, fig. 32/5 and 65, fig. a2/6) should betted on the shafts (7, fig. 82/13 and 38, fig. 13216) ,after their'evLous !l.eati:1g in oil at 80 - gaOe;

- w h e n a s s e : n. ' : : : l : ' ; 1 g ,2iJply a: thin layer o f lithium-lime-base-grease1 all t~le pc.:::-s fr om t~esea=box housing which are in relative)tion a~c not oilec;

. - t h e bolts of t.he. shifting f o r k s {43, 47, fig. B2/5 and 46,ig .. B2!7) must slide easLi.y in their bores without jamm.:i-:ngcarryut this test before tha fitting of gearbox cover);

D e C ~ r . r r e n : l 1 E 6,,

1992


21/22

3 1 1 9 8

- 6e gear-sl:i::ting forks (23, 48 r fig. 22/3 and 51, fig. B2/7)illUS::' enter freely L'-1eir Locat.Lons .rom t::e sears I wi t.hout; ja'l1.rningt e n d e 4 l , c y When t ' . . 1= n i n g t ; , e g e a r s ;

- the s'tuds (97, fig. B2/5 and fig. 82/7) which fasten thecovers of master sha~t (7, fig. :32/5) and secondary s:-J.at (38,

32/6)1 must be lubricated ....ith Loctite 5-12cr Cr.l11':'.:.te 100 Moron the portion which is screwed in the housing;appl.y Ii thit.;..'Tl-lime-base-grease in t!"':.espace of s'!.eeve (ll9,.32/5) wllere t~e spring and the sealins l~? are fitted;

- b e : : o : : : - e r : s t 1 ! l l i n g t h e g e a r b o x o n t ' : ' e t r a c - : . o : : - ,a ? 9 1 y a t ; - " 1 nlayer c=. seali!"1.S soLu. L o n on the s.epa.ra t.i:1g s ur face s bet....e:o. g"'2.=-~ox nous.:.:;g (25, fig. 32/5) and covez . (200) j searbox hO!.:si:1g andi : : l ' : e = : : t e c i , 2 . t e d r : ' v e h c u s i : : g a n c . g e a ~ : ' c x : : 0 1 . , ; . s i . : ; ' S. ~ d . e ~ ; . : n e ( ~ i l S \ l . 1 ' l P ,

h o l c . e r ) ;a f t e r the t i g h t e r : . i n . g o f g e a : : : : - b o xc o v e r ( 2 C ' J , f i g . : 5 2 / 7 ) , c h e c k

!he gearbcx for a proper ope~atio[j, in all s?t!ec.s.


22/22

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Tractor U-650 index 4

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Transcript of Tractor U-650 index 4