THE BRAKING SYSTEM
M
(9)
Mark
the position
of
the shoe return springs in the
shoes,
and
note which end
of
the shoe
is
fitted
to
the
wheel cylinder.
(10) Lift out one shoe from the recesses in the wheel
cylinder,
and
pivot against the pressure
of
the
return spring. Manreuvre the assembly
of
the
shoes
and
springs over the front hub.
(11) Wire the pistons
to
the wheel cylinder castings to
prevent them from being accidentally pushed out.
Reassembly
(12 Reassembly
is
a reversal
of
the dismantling pro-
cedure.
(13) Ensure
that
the shoes are replaced the correct way
round
and
the return springs are fitted in their
correct positions.
(14) The shoes must register correctly in the grooves in
the pistons
and
pivot points.
Fig.
M.14
The left-hand front brake assembly, showing the
fitted position
of
the shoes and pull-off springs
•
•
Wheel cylinder removal
(15) Remove the brake-shoes as described under
'Dismantling'•
(16)
Disconnect the flexible brake hose from the front
wheel cylinder. Unscrew the two union nuts
and
detach the pipe bridging the two wheel cylinders.
(17)
Remove the two hexagon screws retaining each
wheel cylinder to the backplate
and
detach the
wheel cylinders.
(18) Note,
on
replacement,
that
the piston
of
the wheel
cylinder faces in the same direction as the forward
rotation
of
the brake-drum
and
that
the bleed
screw is fitted
to
the rearmost wheel cylinder.
Section
M.tt
PREVENTIVE
MAINTENANCE
To
safeguard against the possible effects
of
wear, or
deterioration,
it
is recommended
that:
(1) Disc brake pads, drum brake linings, hoses,
and
pipes should be examined
at
intervals no greater
than
those laid down in the Passport
to
Service.
(2) Brake fluid should be changed completely every
18
months
or
24,000 miles (40000 km.) whichever •
is the sooner. -
Fig. M.13
The adjusters for the two-leading-shoe front brakes
M.8
(3)
All fluid seals
in
the hydraulic system
and
all flexible
hoses should be examined
and
renewed
if
necessary
every 3 years
or
40,000 miles (65000 km.) whichever
is
the sooner.
At
the same time the working surface
of
the pistons
and
of
the bores
of
the master
cylinder, wheel cylinders,
and
other slave cylinders
should be examined
and
new parts fitted where
necessary.
Care must be taken always to observe the following
points:
(a)
At
all times use the recommended brake fluid.
(b) Never leave fluid in unsealed containers.
It
absorbs
moisture quickly
and
this can be dangerous.
(c) Fluid drained from the system
or
used for bleeding
is best discarded.
(d) The necessity for absolute cleanliness throughout
cannot be over-emphasized.
MINI. Issue
1.
4908
•
mk1-performance-conversions.co.uk
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