RULES TO CHECK THE HYDRAULIC BRAKE
If the braking system is malfunctioning and this requires a general inspection, make sure that:
a) The metal pipes are in perfect working conditions and are adequately fitted so that they do not
interfere with the chassis and may get damaged or flattened.
b) The cloth or rubber flexible pipes do not show swellings or are soaked with oil or mineral grease: as
these substances can dissolve rubber.
c) All pipe clamps are adequately secured to the supporting brackets and plates: inadequate fixing
would lead to pipe vibration and oscillation, and in turn, to pipe breaking.
d) There are no fluid leaking from the different couplings; if there are, tighten well being careful not to
damage the pipes.
BRAKES OVERHAUL
- Separate from the pump the brake pedal and fix the pump body on the vice, taking care to interpose
the aluminium bushings between the shoes of the vice in order not to damage it.
- Remove the piston and the springs from the body; to do this remove the end travel screw (8), the
protective ring and push on the rod of the control piston (11) so that you can remove the retaining circlip
with the specific pliers; gradually loosen until the pressure on the control rod to allow, through the action
of the spring, the leakage of the piston from the cylinder of the pump body.
- If while acting as above, the piston does not go out, it is advisable to blow air at slight pressure from
the end of the threaded oil delivery joints.
Clean the different components with alcohol: do not use petroleum or petrol as they can adhere to rubber
parts and damage them.
Specific tooling
T.0022465 Pliers for circlips
APE TM Benzina Braking system
BS - 97
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