REGULAR
MAI NTENANCE
Front
Hub Adjustment and
Lubrication
(Figs.
76 and
77)
Every 12,000
miles
(20,000
km.)
check and
if necessary adjust
the
front hubs.
At
major overhaul
periods,
re-pack the front
hubs
with grease.
Jack up
the
front
of the car
and
remove one front road
wheel.
Unscrew
two
bolts
(1)
securing the caliper
(2)
to
the mounting
plate
(3).
Lift the caliper
from the
disc, tying
it
to a convenient point
to
prevent
it hanging by the
attached
hydraulic
pipe.
Note
the
number of shims
fitted between
the
caliper
and the vertical
link.
When wire-spoked wheels
are
fitted, remove the splined
hub
extensions
by detaching the nuts.
Remove the
hub
grease cap
(4),
withdraw
the split pin
(5)
and
remove
the
slotted
nut
(6)
and'oDo'washer
(7).
Detach the hub
assembly
from the
stub axle. Remove the outer
(8)
and
inner
(9)
race from the
hub
(inset
Fig.77).
Wash
all
trace of grease
from
the
hub bearings. Pack the hub
bearings
with new
grease,
working
it
well
into
the rollers.
Re-assemble
the hub
and
races to
the stub axle, securing
them
with the "D" washer
and slotted nut. Spin the hub and tighten
the nut until
resistance is felt
to hub
rotation,
then
slacken
off the
nut
one
half flat and fit
a
new
split pin. Re-assemble the
brake
caliper
unit to the
vertical
link,
refitting
any
shims removed
during dismantling. Re-assemble
the
splined
hub extension
(if
fitted). Refit the
road wheel
and
lower
the
jack.
(upper)
(loner)
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