CITROËN ID 19 Repair Manual page 287

ID 19
13
14
Use a 2 mm. dia. brass wire hook with a flattened end in order to remove the ring seals from the brake cylinders.
Do not use products which contain potash, which will attack aluminium, to clean the parts.
Assembly.
15
The pistons should show no sign of having been knocked or scratched, if so they should be replaced.
16
The adjustable thrust sleeves of the left-hand brake unit has a right hand thread and adjustable sleeve of the right-hand brake unit has a left-hand
thread; do not interchange the pasts.
17
The side clearance of the movable shoe =- 0.2 to 0.3 mm. The side clearance of the mechanical cotirol lever spindle = 0.5 mm. maximum.
27
On cars produced before Februasy 1958, do not fit aluminium shoes, the movable shoe return springs must be fitted.
OPERATION No.
ID 45 1 - 3
: Overhauling a brake
unit
Op. ID 451-3 281
PARTICULAR POINTS
Dismantling.
REMOVAL (see Pl. 99 and 100).
Draw back the movable block (15) as far as it will go. Insert the fork 2128-T in position and slightly slacken off
the screw in order to release the paw1 for taking up the clearance. Engage the spanner 2129-T on the hole "a"
in the brake unit and turn the spanner clockwise (see Pl. 101) for the left-hand unit and anti-clockwise for the
right-hand unit.....................................................................................
To remove the-brake shoes :
a)
On the brake carrier plate :
Unscrew the locknut, unscrew the screw (12) and remove the trunnion (11) and screw.
Remove the brake shoe (spanner 2127-T, see Pl. 101) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
b) On the movable brake shoe block
(Cars produced before February 1958)
Remove the split pin and withdraw the pin (13) and the spring (14). Remove the shoe (spanner 2127-T, see Pl. 101).
(Cars produced since Februar-v 1958)
Proceed as indicatedin paragraph a) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Remove the return spring (16) from the lever (4) ( use one leg of the spring pliers 2110-T, see Pl. 61, fig. 3) . . . .
Remove the pipe and bleed screw assembly (on the right-hand brake unit) (spanner 2221-T or 2219-T, seeP1.61,fig. 3).
Turn over the brake carrier plate. Remove the screw (17) from the thrust spring of the locking rod (18).
Remove the assembly comprising locking rod (18), guide bush (19), plunger (20), springs (21) and (22) and disc (23)
(see Pl. 100, fig. 1).
Make sure that these small parts are not mislaid.
TOOLS
Fork 2128-T
Spanner 2129-T
8 mm spanner and
box spanner
Spanner 2127-T
Spanner 2127-T
Spring pliers 2110-T
Spanner 2219-T or 2221-T