Overhauling A Master Cylinder - CITROËN ID 19 Repair Manual

296 OPERATION No. ID 453-3
: Work on the brake hydraulic system
ID
19
29
PARTICULAR POINTS
.
Overhauling a pedal gear.
Assembly of the accelerator pedal (see PI. 27).
Smear the spindle screw with graphite grease.
The distance 'b' between the threaded end of the spindle screw and the ins& of the pedal &a&et should be 0 to I mm.; the distance
'c'
between
the pedal bearing plate and the locknut of the screw should be 0.2 to 1.7 mm.
TOOLS
OVERHAULING A MASTER CYLINDER ( cars produced since February 1958).
Dismantling (see Pl .108, fig. 2).
Remove the circlip (12) retaining the piston (13)
and hold the latter to prevent the parts from scattering under the
pressure of the spring (14).
Remove the thrust washer (15), the piston (13) complete with the cup (16), the cup (17), and the spring (14) together
with its steel cup (18).
Disconnect the high pressure supplementary feed control (19) from the master cylinder. Remove the seal (20) from
the high pressure supplementary, feed control,
remove the cap (21), the spring (22), the seal (23), the slide valve
(24), together with the washer (25) and the circlip (26).
Remove the washer (25) and the circlip (26) from the slide valve (24)
. . ., . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Remove the cup (16) from the piston (13).
Cleaning.
Clean all the parts in alcohol. Failing alcohol, perfectly clean brake fluid may be used. Do not use any other
substance.
The master cylinder and the high pressure supplementary feed control must be free from all traces of rust and wear,
otherwise they must be replaced.
Make sure that the passages I'd, e, f, g, h, i, j" are not blocked.
Immerse all the parts in perfectly clean brake fluid.
Assembly (see Pl. 108, fig.2).
Fit the circlip (26) and the washer (25) on the slide valve (24) and put this assembly in position in the high pressure
supplementary feed control (19).
12-26 mm box spanners