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PART
2-2-BRAKE SYSTEM
P.B.R. FLOATING HEAD CALIPER -FIG. 9
'---.J/0
(l)
I
liD
ENSURE THAT SEAL RETAINER IS IN CORRECT POSITION WITH
SERRATED SIDE OF RETAINER FITTED INSIDE OF SEAL.
Shoe wear is automatically com·
pensated for by the sliding caliper
feature. The caliper floats through
two guide pins located inside the
anchor bracket sleeves.
Each caliper contains two shoe and
pad assemblies. They are constructed
of a stamped metal shoe with the
lining integrally moulded to the shoe.
Shoe and pad
_
a ssemblies can be re-
moved and replaced only by remov-
ing the caliper assembly from its
mounting on the vehicle. The shoes
are not interchangeable.
c::AUPER OPERATION
When the brake pedal is applied,
brake fluid is displaced into the
cylinder moving the piston outward.
This action forces the inner shoe and
iining
assembly against the rotor.
The resultant reaction forces the
caliper housing and outboard shoe
and lining assembly inward against
the rotor. Braking torque is
tran!l-
ferred from the outer brake shoe
abutments through the caliper hous-
ing into the anchor plate. Braking
torque from the inner brake shoe is
taken
~y
into the anchor
plate.·
ROTOR
The cast iron disc is of the venti-
lated rotor-type incorporating forty
fins and is attached
to, and rotates
with the
wheel hub. A splash shield
bolted to the spindle is used pri-
marily to prevent road contaminants
from contacting the inboard rotor
2-11
and lining surfaces. The wheel pro-
vides protection for the outboard
surface of the rotor.
DRUM BRAKE
The drum brake system employs
single anchor, internal expanding and
self adjusting brake assemblies.
When the brake pedal is released,
the seal retracts the piston into the
cylinder and the caliper housing
slides outward releasing the brake.
P.B.R. CALIPER ASSEMBLED- FIG. 10.
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