th.e clutch withdrawal s,et screws being adjusted to give a clearanoe between
them and the withdrawal plungers. Th,e correct clearance between the set
screws and th'e plunger is
.010"
(ten thousandths of an inch) when the clutch
pedal is out of engagement.
In Illustration No.
23
a spanner and screw driver are shown on thle
adjusting set screws.
Universal Joint and Propeller Shaft.
The tubular propeller shaft is fitt,ed
at 'either end with Hardy Spicer Universal Joints.
The front end of the
propeller shaft is cast'ellated and this fits inside the castellated end of the
Universal Joint. The object of this is to allow for the end movement of the
propeller shaft due to the flexion of the rear springs and the rise and fall of
the axle.
LOCKING STEEL ROLLER
''h
RING
ON CROSS
HEP
Figure
24.-1-:~rious conipon~nts or thr Hardy Spicrar Univrrsnl Joint. On the right li:ln(l
side is the fnngc having two jaws, and carrying thc cross licad of the universal joint on steel
rollers, the other two pins of the cross head bcing supported
in
the jnivs of that portion
of
the
joint \vhich is attachcd to tlir
propeller
shaft.
To
prevent the stccl rollers from being flung
out-
wards tlic jaws are supplied with half rings \vhich fit into
the
grocvcs on the rollers. The whole
of the universal joint is entirely enclosed by covers held in position by
a
spring.
It is necessary to keep this sliding coupling joint lubricated, and for this
purpose a nipple is provided at Jeith'er end, access to which is provided in
the tunnel. Th'e univ,ersal joint proper consists of a plate carrying two jaws,
a
cross head with hardened steel roller bushes, and the opposit,e set of jaws
att:iched to the propeller shaft. The 'entire universal joint is enclosed by a
pr'essed steel cover and a spring loaded dust excluder cover. Th,e hardened
ste'el rollers are groov'ed to receive semi-circular wir.e rings which prevents
them floating outwards. It is essential that this joint should he packed with
13nrdy Spicer @ease. For this purpose us~e the small gun provided in the
tool kit, which is filled
with this gr'ease
hen
th'e car is suppli'ed.
Rear Axle.
The external appearance of the rear axle can be seen from
Illustration No.
25.
The casing consists of a steel stamping forming what
is known as the
"
Banjo."
The complete differential assembly including
the driving bevel and crown
wheel are mounted on the front cov,er plate.
The rear cover plate carries the oil filler ,extension.
A
drain plug is provided
benseath the axle for draining this from time to time.
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THIRTY-SIX
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