The Washington times., 1922-06-25

Il
portant a. the clutch In your car.
| To nay that your clutch win not slip
o. that the motor win not run away
| from the car does not mean that
your clutch 10 nuncticning properly.
| Your clutch 'shOuld take hold
smoothly without grabbing or chat
tsring. This II very Important. for
and harshness when applying the
clutch transmits thousands Of harm.
fui Vibrations through the driving
mechar1fsn daily and gradually
crystaiization II building up proba-
bly IN the transmission main shaft,
propelier shaft or axle, shaftss and
II q only q question Of time until
failure occurs at one Of these points,
also a harsh clutch VIII pound out
bearings, twist taper connections
throughout the drive. and 10 very
hard on tires. Very often perfectly
good axles, universal joints, pro-
peIler shafts and transmissions arc
Condemned by mechanics because Of
breakage that results directly from
harsh clutch action.
The above data recalls TO the
writer q condition that exiCted moro
than ten years ago In o $4o0o auto
mobile that had very large axle
shafts made Of high-grade steel and
designed with a large margin Of
safety a. regards strength. AFTER q
few. thousand miles Of service, these
huge shafta would break Oft regular
OF the clutch which made II very
harsh. After q careful study and
Analysis OF axle design and material
By the chief engineer and his staff
Of metallurgists. they concluded that
failure was due to some other cause
and. therefore. D study was made OF
the driving rnechaninm,L spring
suspension and clutch. In watching
the action Of these parts. they
observed the chattering and vibra-
lions that occurred when the clutch
was applied, and concluded that the
harsh clutch probably was the cause
The clutch design was altered by
adding cork inserts and q lesser
number Of large bronze discs in piacs
Of steel discs. y The clutch action
was perfectly smooth following these
changes, and the sxle trouble disap-
peared entirely. The writer drove
one Of these cars 7B,0O0 miles
throuehout the United States with
out axle trouble. N .s
On account OF the many types Of
clutches. Il would be impossibie 70
suggest and standard remedy az
cure for harshness. However, Il n
certainly advisable to refer TO your
instruction book on the care of the
clutch. Each mauufactursr's ssry-
Ice department supplies 4 sst Of rules
that differ siightiy on this subject.
This Information should receive q
careful study and consideration on
the part Of every owner. Know your
clutch and the remedy 20 eliminate
harshness and slippage IN order 70
avoid complications and delaya II
you have lost or misplaced your IN
struction book. write TO the manu-
facturer or call at the service sta
ton. A nominal charge 10 made
for the book. Be sure and get #
II should be Just az much q part Of
starter. N
In the absence OF an instruction
book, beck the s,isas following rules pay pc Of
l-Learn what kind of q clutch
you have. whether Il 10 dry leather
faced cone. cone clutch running In
oil, or dry disc or plate clutch or
the latter type running In oil.
CONE CLUTCH RUNNING IN
oIL-Cone clutches running In oil
are very smooth In action and sell
dom become harsh unless OIL he
comes low or when using too heavy
an oil. Sometimes, OIL from trans.
mission works into clutch an q re-
cult Of leakage through bearing.
This type, OF clutch should be
drained about twice q season and
washed out with kerosene. Light
cylinder oil IL the best lubricant
to use. Occasionally. adjustment
may become necessary. This should
be made by service mechanics or ac-
cording to the instruction book.
DRY CONE CbUTCH-Do not use
lubricant on clutches that are de-
signed to run dry. n oil Or grease
happens to get on clutch faces, MP.
ply some finely powdered Ftilers'
earth. ~
II clutch facing becomes glazed,
dry and hard surface. apply n few
Axrx,n ~ af<<af all A.