Jeep UNIVERSAL CJ-2A - Page 84

'Jeep' UNIVERSAL and 'J~ep'_DISPATCHER
E
With the flywheel ·housing ins~.alled temporarily,
the.l:l.lignment can be che(:~ed with a pial indicator.
Without the. clutch". installed. on the flywheel, a
'dial
indicator can be mqunted on one qf the flywheel
.bolts.
Set the di'al indicator with the button r~~ting
against the rear face of the fi:VWheel housing. ·Ro-
tate the flywheel, noting the run~out 'on the indi-
cator. Maximum allowable run-out is .op5" [0,127
mm.]. Relocate the dial indicator so that the
button is against the side of the rear opening to
check the radial run,
7
out. Rotate the tiywhee,l and
nOte the rUn~OUt which ShOUlO nOt eXCeed .006 II
[0,152 mm.]. ' ' . . .
E-89.'1nstall FlyWheel Housing
Be certain that the mating surfaces of the flywheel
housing
and cylinder. block are dean and smooth.
Place the flywheel housing in position and attach
to the cylinder' block and engine rear plate. The
longbolts through the lugs on the engine crankcase
and those below are installed with the nuts' on the
fly\vheel housing ~ide. Install theother bolts from
tbe re~.r except -the screw used to attach the top
side of the starting ·motor. Tighten securely.
E-90. I nstaU Clutch
To inst!'lll the clutch- assembly with the eng~ne out
of the. ~ehicle use a clutch plate aligning- arbor.
Place tl;le clutch ·driven plate ~n position against
the flywheel. Insert the arbor into the dutch driven
plate and dutch shaft bushing arid exparid the arbor
in the-bushing to· hold it in place·: Hold tlie clutch
pres~mi.-e 'pltitte assembly in position against ·the
Clutch'driveri
plate arid install-the- attaching bolts
arici- washers, tight;ening the bolts alternately and
e'Venly. Remove ~hE; arbor. ' · · · · -
>.i, ••
E-91. Install Valves and Springs
Oil the valve st~ms,. Insert aJl)n,take and exha'9~t
.valves .~n th,.e v'~~v~ guid~~ frq~ whic,~ they '!Vere
removed. " · - . ·
·
i:r:~.st~U bne ~xhliust valve spring and exhaust valve
'spring retainer _ _(Roto Cap) for eachexhaust valve.
S~ip the tpp end of the spring oritb the !Jott'om end
of Jhe valve guide. arid, with a large screwdriver,
'spap th~ spr:ing an.4 retainer; ovet the tap;J?et ad-
justing screw. Make certain tha:t the two' clbsely
wound coils of each spring are at the to_p_ (p,la,ced
up to seat ljlg~inst the,block.) See !i'ig. 107.. -· ...•
, Turn,.
the c,cranksha.ft as necessary- to bring each
exhaust,va.J.ve tappet to its lowest position. U~ng a
. valve .. sprhig lifter, C-482. compress each' exhE!-ust
'valve spring; while holqing t):le - valve down, 'so
t,hat the . steil1, e#enO.s -through the · valve ~pri~
reta;iner. far enpugh to per·rnit ~n'stallation .of the
v~;~lve:·spring, lc;>cks. ,HeavY- Jubricatiiig oil or' gre~se
placed on the inside surface ,of the y~lve locks ~Ul
help to hold the locks on the valve stem until the
valve spring lifter can be -t:'!nO:V'e<;l; Wh.en jnstall?-
tion ... of exhaust valves. is complete, remove any
cloth~·-used to block the valve compartni~nt "flqor
Op&l'J,if.lg;S. Install the intake valves ~;~.rid springs 'in
tl;le ·cylinder .head placing the e:nds pf.the springs
haYing, .the· closed :coils Q.own agairuit ¢e cylinder
head .. ,· •.. . ·· . '
Be sure te>::i~stall a- new rubber oil seal ril).g on ead:t
intake valve· stem before installing the retain~
locks. With the r.etainer and . spr.in~, compressed,
using
Tool C-342~ position a seal ring on the valve
stem just above the lock recess, then i:nsta:ll the
locks and'release the spring. · · . . ·
Adjust. the valve tappets to the proper specified
clearance.
Refer to Par. E-106, E-107~ .Ec108, ai1d
specifications at the end of this section for' speci-
fications
and. adjustment procedure. ·
FIG. 107-VALVE TAPPETS AND SPRINGS
. . ' .. ·L
E-:92: Install Camshaft Timing Gear'·:. ;_.-,
T~rn- the c~~sha.f{ ot crankshaft as necessary so
thal the timing marks 'on t'tl.e two gears will h~
together after the camshaft timing gear is installed.
Refer tq.Fig. 108 .. Install the woodr:uf( k~y in the
keyway on. the front end of the camshaft. Start the
large t:hnin'g gear on the c~h:h~haft witli, the timing
m~rk fac.ing out.' [jo nqt ,drive_, qn_.the camshaft
ge:.i:l.r, ot. th¢ camshaft J;IlaY dislodge ,tb.e plug at the
,rear -of the cygn,der :blpck causing an·~ oil ~eak.
:!1)1-.lltall the can1shaft · g~r retainiJ;tg - ~ctew and
lqrqu'e ~t. 30 .t.<? .40 lb-ft. [4,1 a 5;5 kg-m.] drawing
tJie
gear oqto th,~ caii1~'ttaft'in the ptocess. Standar:d
J\innip.g tolerance
-.}?et.weeri ·tile ti~ing gears is
.000" to .002''JO .Iii- 0,051_ .w-m.] whtch, _s~ould be
ch~cked with a dial irt<ii~ator. : - ·- · ~ · ·
FIG. 108-TIMI/N'G pEARS •c'·' _ -~ ,_ ~~
&3