Dnepr MT9 - Universal Joint Dismantling and Assembling

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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 joinl bca ri•1g ";
place a propeller shaft yoke under 3 h:.llld pres;,, nr:d, by pn·-:·.i 1g
in one of the needle bearing s, s li 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 b c8 ri ng from the yoke;
fig. 29. Pr essing out ll!c
beJri;1gs
Fig. 30. A
ss embl ing
the uninrsnl joilil
turn the univer sa l joinl Cl nd, fr om the opposite: s id C' , press o ut the
other needle be aring through the uniY cr sa l joint cr.>:;,";
take off the girdles and sealing rubber rin gs from i. hc univ'O!rs<JI
joint cross pins and remove the propeller shaft yoke from the uni-
Ycrsal jo int cross.
In a similar monner. press out the needle bearings irom lhe sp lin-
ed fork of the univer sal joint, remove th e girdles nnd se <J ling ring -; ,
take
out the univer s8 l joint cross.
After
di s mantli ng , wash out and exallline all the co mpon en t
parls, replace the defective parts, if neces sa ry. R e-assemble the un i-
versal joinl in the following order: '
lubricate lhe inner surface of the needle
bearings with grease and
fit the needles into bearings;
insert the universal joint cross \\ ·i',h the lubri calo r.into th e s plin-
cd fork of the uni'.-ersal jcint, as shown in Fig . 30;
fit the sealing rubber rings and girdles (which must cover th e
scal ing ring s) over the ins erted pins of the universe: ! joint cross;
press in the needle bearings, taking care to ensure that th~ uni-
Yersal joint cross pin ente rs the bearing with o11t disl odg ing t he
needle. Care mu st be also taken that the b ear ing is not pressed in
deeper
than ii is required for installation of the locking ring, r.lhcr -
\Visc the uniwrsal joint cross wiil be clamp ed by '.he be<Jr i ng s;
install the loc king rings;
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