Sunbeam ALPINE I SERIES: APLINE II SERIES, Workshop Manual

Page: 264 / 413

WSM. 114
Section K (Brakes)
7th
re-issue
Pages
ALPINE
CALIPERS
_
...
To remove and refit
I. Apply the handbrake, jack up the front of the
car and remove the road wheel.
2. Detach the caliper from the stub axle carrier
by withdrawing two bolts and identifying any
packing washers, shims and splash guard
braekets that may also be held by these bolts.
3. Suspend the caliper nearby without straining
the flexible hose. When it is necessary to re­
move the caliper from the car, disconnect the
feed pipe from the flexible hose and remove
the flexible hose from the support bracket, see
under "Flexible hoses-To remove and refit".
4. Refitting is the reverse of the removal sequence
but particular attention must be given to the
following:-
(i) When refitting the original calipers; any
packing washers, shims and splash guard
brackets must be refitted to their original
positions.
(ii) When fitting replacement calipers to
Series I and II models, check that the caliper
is centrally astride the disc to within 0·025
in. (0·64 mm). Measurements are taken
between the four machined faces inside the
caliper and the disc. Any off-centre is
corrected by positioning shims between
the caliper and stub axle carrier with an
equivalent thickness of packing washers
between the front steering arm lug and the
stub axle carrier.
On Series Ill models onwards, machining
limits made packing washers and shims
unnecessary.
(iii) Bleed the hydraulic system when the caliper
has been removed from the car, see under
"Bleeding the hydraulic system".
Fig. la.
Series
I and II
models. The
illustration shows
the
pad
retaining pins passing through the slotted ends of the anti-rattle
springs and
the
tongues bearing against
the
pad backing plates.
The inset shows
the
outward
end
of
the
anti-squeal shim cut off
to
accommodate
the
anti-rattle spring, when both are
fitted to
the
some
caliper.
(iv) Pump the brake pedal when solid resis­
tance is felt.
To dismantle (See Fig. 2)
I. Remove the calipers as previously described.
2. Clean off the dirt from the outside of the
calipers and remove the brake pads (10 and 11)
as previously described.
3. Withdraw the pistons (5 and 14) from the
caliper bodies, taking care not to damage the
bores.
4. Remove the dust covers (I and 12).