Repair Manual

MECHANICAL ELEMENTS CONTROLS
37
Remove from the pump bore :
- the primary piston assembled with Pp gaskets;
- the primary piston return spring;
- the secondary piston assembled with Ps gaskets;
- the secondary piston return spring.
Wash the parts with alcohol and blow them with compressed air.
Check:
- the pump bore;
- the pistons gaskets the springs.
The parts of the “ primary piston” Pp and those of the “secondary piston” Ps, cannot be
repaired. In case one of these parts is damaged, replace the whole” primary piston” and
“secondary piston” assembly.
R
EMOUNTING
Before remounting, the parts and the pump bore will be lubricated with brake fluid.
Mount the “ secondary piston”, retained spring and “primary piston “ assemble.
Compress the pistons and introduce the elastic pins; the elastic pins slot shall be oriented
towards the back of the pump (towards the pushing rod).
Mount the purging screw.
Purge the brake circuit and remount the ICP transducer.
BRAKE PUMP
37 - 4
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