Richmond times-dispatch. [volume] (Richmond, Va.) 1914-current, 1919-10-19
S|MPL|F|ED LESSONS IN
CARE OF AUTOMOBILE
Expert Frederick &. Gucrrlich In.
plains Details OF Rear Axle
Assembly.
TIE SENlI-I'LOATING
IL ginccr Describes Difference From
l'ull-FloatinE Dcyicc-Niany Car
Owners Problems Solved in La
guagc Readily Understood by All.

copyright. 1914 by Frederick G.
Guerrlch.l
The rcar-axle assembly. which in
":4aes the rcar-axlc housing. tho driv-
inG-axlc shafts, the diferential with
it's large ring scar and driving 7inion.
tho brakes and their actustns me-
chanism. is variously known IS the rear
axle, the rear end and. sometimes the
final drive.
In pleasure cars there are three
namely. tho full floating, the Scmiioai-
inr and the live aNle
The full iIoatiHc-sNlc Assem- bly, de-
rivcs its name from tho fac; that the
driving-axIc shafts can he removed
without dismouutiuS the wheels and
without disturbing tho dincrcntis,l.
The drivne-aNIe shafts thus are only
used for driving the wheels. They
carry mono OF tho weight OF tho cac.
nor do they take care Of any OF the
side thruS; resulting from turning cor
~ crownci road. The a>!e housing
docs all this
The true semiAoa;inG aNic. which
is often called the single bearing.
noatins only in tina; the side thrus;
OF the wheel is taken care OF by the
drivinc-aNlc shafts. tho wheel hear
incs being such that iAcy vii. NOT GO
Clears rp MISUNDERSTANDING.
might say here that there is
much misundss5siandins as 10 JUS
manufacturers call the axle as
plaiaed above the semiAoaiinE. while
others cah il a full-hoa;ins. ;he7
again. some cal! the live axle semi
floating. while others cal! ii the live
axle. Perhaps this is because the
catalogues arc written ~ men - ;ae
advertising department who know ;hat
80 y,NF y
hest type. and ,hat semlaostins axle
sounds better than live aNle.
The live axle differs much t-om the
full-foa;ine, In i the driving aN.+
take care O: The side thrust. the wheels
Neinc directly fastened % the ends OF
The shafts To remove the shafts TIE
wheels mus; be d.su:oun;ad, The entire
assembly mus: be - Ne1 oCc o! ;ae car.
:rs housing than 2ullei apart. and
=7ally ;he d."e-snt.a! must also es
;aLen apart
engineering opl0.cn.ls to which type
: :.e t<S; TAs J-; .: repairs Q:
- :u.-6oa:.-- w..l usually oe very
--c1 !tss "a. 20 - I've axle. be-
c3-s: (. : - 1eSy - g: a:
EE--= s5cSs t-.-aos;!ag axle.
-.:- - 2-.N-2=-&X-e s7AH 7A.;.E e
--.siz as +-:.-e.y :A::.si OF The axle
S-zslz- I'D - = having NO
t=z-Es o-= $: sa:. ed 9. the hub.
-H= So :---s: >: 90 -As=- = ;azta
sz-s .:
~ - 2.=2 -,:.:s -: =. dir
-s+:.=5 - =.--=- 80 G.z.-tn:!a. o
- -..s-%a;.Al end q:
~: -. - xss:. ed -. E5-sea
= :: -. 49, 67E
rs ~ - -9:t- 1as ac-1ee- q
: = = : E : =
s-z-+s = -.= --s<. a-t.
-s 80 5-y.-c-ar, s-z.: .i-7'T
c,y+s 80 a-a.+.s nd --Es; ,. SAD
~=u-- = Is -ousl-c !: $ .sc:
something Worth knowing.
Hs-s = sor-.i-lEs go .a2~'7r
Sao4ld ga. ne e 90. 80, ..
men: o: THESE parts would -ss-.: II
tre ruin O.. o;ne- 7a-ts nc ca
EQUIPPED wiki a floating axle can
inr OUT Inc driving aN!es THIS would.
IN reality. convert the automobile into
j, oanho; be done wAe-e tie car has
live axle i being necessary y; ms
semiaoa!inE axle w,hich differs. t-on
that. while tn" weight q the car IS
taken on me housing, the side thrust
% the wheel is not taken care 81 ny j..
The diferen;iai end OF inc driving
I
ing. but the wheel cnd has forged %
II a heay. nancc, 0h-ch fang Is
bolted 20 tnc whcel Thus The shaft
viii take tho side thrust OF the wheels.
The shafts can be removed without
dismountinE the wheels and without
disturbing inc diferential exactly IS
with the full-noating.
Figure : shows the live axle In this
the wheel Is fastened directly 70 the
driving shaft in such a way tia, the
shaft not only carries tho weigh, Of
the car, hut also takes care % In" side
ihrust. The shaft - also positively
. fastened 10 It's gear in inc diTcrrrlial :.
Must Take Down Whole Works.
You viii observe that in order 10 re-
move a shaft. or TO DO WORK the
dincrcntial. that il wili he necessary,
not only 20 dismount inc wheels, hut
the entire assembly Will have to be
removed from the car. the housing
pulled apart, and hna lly. the diheren-
tidl Will have TO b" taken apart.
II is important that the oil or grease
in the differcn;ial be kept a. Just tn.
right level II too much is put in IL
VIII run along the shaft ana 50 get into
the brakes. Most cars have a plug
screwed into tho housing about three
or four inches from The lowest pa r..
and grease or heavy, oil should be
maintained ST such q, Level that il wIll
just flow out Of This plug hole.
II oil or grease gets onto the brakes
even though the level il right. then