Triumph TR4A - Tyre Pressures and Selection

WHEELS AND
TYRES
and the hub caps
on the left-hand
side of the
car,
anti-clockwise.
ro remove
them. Derach
rhe wheel
by
pulljng
it
straight off
the
splined hub. When
rentring
the
road whee-is.
smeai
rhe hub
sp|nes wrl'Il
oll
or grcase
to
prevent
corrosion
and
possible
difficuhy wirh wheel
removal,
fnsure
that
the hub
cips
are
fully
tightened
by srriking
rhe
"ears
in the
approp
are
direction
with the
coDper-faced
hammer.
WARNING.
If the
vehicle
is fitted with
wfte-spoked
wheels.
the
splined hubs.
when removed,
must
be re-fitted
to
the
coffect
side of the
vehicle,
i.e..
the knock-on
hub caps
must tighten
in
the opposite
dircction
to
road
wheel rotation.
Failure
to
ensure this
may
result in
a road wheel
coming
off its
splined hub.
Always
ensure lhat
the
hub splines
are
protected
during re-painring
operations.
-
Contamination
of
the
splines
by paint
may result
in
dimcult
whe€l
removal
or ineffcient
tightening.
Fvery.6.000
miles. check
rhe lighrness
of all
boks
and nurs.
parlcula \
the tront
and rear
suspension.
rhe
steering
and the
wheel nuts.
Using
the Jack
(Fig.
45)
To raise
either
side of the vehicle
for road
wheel
removal.
proceed as follo\
s :-
l. Ensure
that the handbrake
is
applied
and one
of
the wheels
remaining
on the
ground
is cli6cked,
32
2.
Turn
the
jack
screw
anti-clockwise
to release
tension
withdruw jack
from its
retaining
strap,
3.
Place the
jack
below
the chassis
(rearward
of the
front
\
and forward
of the rear
wheel)
and
engage
the
hook
c
handle
with
the screw
eye.
4.
Rotate
the
jack
handle
clockwise
to raise
the
vehicle
anti-clockwise
to lower,
5. To_lower
the
jack.
reverse
rbe
posirion
of the
ratchet
hi
and turn
it counter-clockwise.
TYRES
The tyre
pressures
should
be adjusted
in
accordance
witl
recommendations
contained
on the
chart,
page
59.
Where
cars
are to be
used for
racing,
consult
the
resDe
tyre compan)
regarding
the need
fo-r ryres
of full'rc
cons[uctlon.
When
new tyres
are required
it
is essential
to fit
those
o
sarne type,
The
characteristics
of
tyres vary
considerablv
therefore
the four
tyres must
be
of ihe
sam; type.