Bleeding The Integral Braking System - APRILIA Atlantic 500 Workshop Manual

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Periodic Maintenance Operations
Atlantic 500

BLEEDING THE INTEGRAL BRAKING SYSTEM

Read through the paragraph DISC BRAKES.
The air present in the hydraulic circuit acts as a cush-
ion, absorbing much of the pressure applied by the brake
pump and reducing the effectiveness of the caliper dur-
ing the braking.
The presence of air can be noticed by a spongy feel of
the brake lever and poor braking action.
WARNING
In view of the danger for both the rider and the
vehicle, it is essential that the hydraulic circuit
should be bled after reinstalling the brakes and
restoring the braking system to its normal operat-
ing conditions.
NOTE
The lever of the l.h. pump acts either on the
rear caliper and on the right front caliper.
Loosen the four screws (1) on brake fluid reservoir (2).
3
1
Remove the cap (3).
NOTE
To avoid spilling the brake fluid when topping
1
up, be sure to keep the fluid in the reservoir parallel
with the ground.
2
With the specific tool (6), suck the oil through the
breather pipe (4) of the right front caliper (5) by
5
4
unscrewing the breather pipe (4) nut by half turn.
Add oil in the brake fluid reservoir (2) for about 2-3
times.
6
2-20
chap. 2
Release 00
2002-09

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