CITROEN DS 19 - Page 239

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DS 19 OPERATION No. DS 334-3 : Work on the gear control. Op. DS 334-3 237

TOOLS

20 To adjust the tension in the reverse speed position :

a) Put the lever (24) in the 1st speed position (the locking ball being in position in the corresponding hole in the

sector).

b) Bring the clamp (16), the assembly of the washer (25), the spring (26), the thrust washer (27), the spring being

practically without lateral clearance or tension. Tighten the screw (15) fixing the clamp (16) . . . . . . . . . . . . . 8 mm box spanner

c) Make sure that the lever (24) can occupy the reverse speed position.

21 To fit the auxiliary clutch control lever :

Place in the following order on the spindle (4) : the thrust washer (11), the lever (10), the thrust washer (8), the

spring (7), the thrust washer (6) and the pin (5).

After assembly, the lever (10) should have a lateral clearance of between 0 and 0.2 mm. If not, modify the

thickness of the washers (6) in order to obtain this clearance.

Put in position the return spring (9) of the lever (10).

22 Fit the double clamp (2) on the end of the control rod (3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 mm box spanner

OVERHAULING A GEAR CHANGE SPEED CONTROL

Dismantling (see Pl. 68, fig. 6).

23 Remove the plugs (51) and (52).

Remove the piston (53) and the spring (54) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 mm box spanner

NOTE - It is essential not to alter the spring adjusting screw (55); otherwise the flow through the gear change

speed control will be changed which will bring about fluctuations in the operation of the gears and will even

cause damage to the gearbox.

24 Remove the screw (56) from the piston. Disengage the disc restrictors (58) and (59), the distance pieces (60) and

the filter (57).

25 Clean the parts with alcohol to the exclusion of all other products. Do not use trichlorethylene.

Assembly (see Pl. 68, fig. 6).

26 To prepare the piston.

IMPORTANT NOTE - It is imperative to fit the filter (57) even if the gear change speed control was not so fitted;

note the order of assembly.

a) Early model gear change speed control without filter.

Remove the washer with the central hole (58) and assemble the parts in the following order