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7.3 Replacement of the piston gaskets
When a gasket needs changing, it is advisable to re-
place all the gaskets of the piston at the same time.
7.4 Air drainage
Piston:
- Turn the stem 3-4 complete runs.
Pump:
- Push the pedal into the RELEASE area
- At the same time press the valve positioned under the
area of the PUMP pedal.
- Do this for about 15 seconds.
Now the system should be primed and ready for opera-
tion.
Repeat the operation if necessary.