Dodge MD Series - Propeller Shaft; Universal Joints

f
I
IMPROVED TRANSMISSION I
Th e hifting of ge ar s in th e tran smi s ion of yo ur tru ck s imply
res ult s in th e pr ope r elec tion of gears to m ee t with th e eonc li.
tions of load and :,peeo und er whi ch th e tru ck mu t operate.
S hiftin g can be acco mpli shed wilh rapidit y and ease bec au se
of the u e
of he]ical gears in th e seco nd and third speeds.
S
il e nt operation and lo ng lif e is ass ur ed thr o ugh the use of
hall and roller be aring ..
Lubri c ation
For the tran smiss ion , lubri c ant s co nf o nning to th e numb ers
below sho uld be gene rally s ati sfac tor y. Where prevailing tem-
p er atur es arc unu s uall y low for th e parti c ular se as on in volve d.
it may be de s irabl e to ad d a s mall perce ntag e of low pour or
eo
ld test mo tor o il or ke ro sene.
S
umm er : Te mp e ratur es aboy e + 40
0
F.-S.A.E. No. 160.
Winter: Te mp e ratur es abov e 0
0
F.- S.A.E. No . 90.
4·2
PROPELLER SHAFT
AND
UNIVERSAL JOINTS
Th e pr .opeller . haft and uni ver sal joint s tran s mit the engine
p
owe r from the tran mission to th e re ar axle. Th e jo int s JIlU t
he f1 e xiblc so as to co mp ens at e for th e c han ge in angularity
lJ c tw ee n thc tran slIli ,,;s ion and th c rc ar axle he('au 5c of lIn-
eve nn cs,,; of 1' 0 ,1(1 ~ udace . Thi s 1I11I ,,; t h e an· ollll'li ,.; hed with th e
least pos ible resistalH'e al1l1 a minilllulll ]0 ,,; of p owe r. Th e
roll er be aring s in both the frollt < 11111 rl'ar uni I'r ~a ] joi nt s ae-
('olnplish thi s an<1 th e le ath er boot s lJOhl th e lubri c ant ill ide
each of the joillt ,,; whi ch ]it crally seals t]1C lubricant at·o und th c
be
aring s alltl keeps out 11111(1 alltl tlus t.
Th e uni versal joint s sho uld l,e lubri c at cd JI1 acco rdanc e with
th e in s truction s co ntain ed JIl th c lubri cation c hart in th e
ce
nt er pa ges of thi s book.
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