Universal Joint Dismantling And Assembling - Dnepr MT9 Repair Manual

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Oisn,1antling and Assembling the Universal Jo'nt
To disassemble the un iwrsal joint, proceed as fol
im'.·'o:
remove the Jock wheels cf lhe uninrsa l joi nl bca ri•1g";
pla ce a propell er shaft yoke under
3
h:.llld pres;,, nr:d, by pn·-:·.i
1g
in one of the needle bearings, sli ghtly press oul lh e opposite needle
be8ring (Fig. 29) through the
univers<~l
joint cross;
grip the protmding portion of the bearing in a \·icc and
c.\t r ;-:d
lhe bc8 ri ng from the yoke ;
fig. 29. Pressing out ll!c
beJri;1gs
Fig. 30. Assembl ing
th e uninrsnl joilil
turn the universa l joinl Cl nd, fr om t he opposite: s id C', press out the
other needle bearing through the uniY crsa l joint cr.>:;,";
take off the girdles and sea ling rubbe r rin gs from i. hc univ'O!rs<JI
joint cross pins and remove the propeller shaft yoke from the uni-
Ycrs a l joint cross .
In a similar monner. pr ess out the needle bearings irom lhe sp lin-
ed fork of the universal joint, rem ove th e girdl es nnd se<J lin g ring -; ,
take out the univer s8 l joint cross.
After di smantli ng , wash out and exallline all the compon en t
parls, replace the defective parts, if neces sa ry. Re-assemble the un i-
versal joinl in the following order: '
lubrica te lhe inner s urfa ce of th e needle bearings w ith grease and
fit the needles into bearings;
insert the universal joint cross \\·i',h t he lubri calo r . into the s plin-
cd fork of the uni'.-ersal jcint, as shown in Fig. 30;
fit the sealing rubber rings and girdles (which must cover the
scal ing rings) ove r the inserted pins of the univ erse: ! joint cross;
press in the needl e bearings, taking care to ensure that
th~
uni-
Yersal joint cross pin ente rs the bearing with o11t dis lodgin g t he
needle. Care mu st be also taken that the bear ing is not pressed in
deeper than ii is requir ed for installation of th e locking ring, r.lhcr -
\Visc the uniwrsal joint cross wiil be clamp ed by '.he be<Jrings ;
install the locking rings;
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