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5. Check the condition of the reservoir sealing diaphragm. Replace if necessary.
The bleed screws should only be opened by a small angle, just enough to allow system
pressure to drop. When pulling the brake lever or pushing the caliper pistons in, some
resistance should be felt indicating that the screw is not opened too much.
6. Counter hold the brake hose union bolt and open the bleed screw slightly to allow
fluid to flow out but to still feel resistance in the brake pedal.
Pressure applied to the brake pedal during the brake fluid renew process must be
applied and removed smoothly and slowly. It must take a minimum of five seconds
between lever positions (from fully released to stop).
Failure to do this slowly can allow air to be drawn in to the system through the bleed
screw threads.
7. Get an assistant to slowly depress the brake pedal and then slowly release the brake
pedal.
8. Repeat step 7 until fresh brake fluid appears in the bleed tube.
9. When fresh brake fluid is in the system, apply pressure to the brake pedal, close the
bleed screw and tighten it to 6 Nm. 10.
1. MIN mark
2. MAX mark
3. Float
4. Seal
5. Reservoir cap
6. Fixings
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