DS 19 OPERATION No. DS 334-0 Checking and adjustments on the change speed control. Op. DS 334-0 223
To adjust the clamps fixing the pipe assemblies.
25 When the cylinders are in position with their adjusting washers, the flange should rest on the cylinders to within 03 mm precisely.
To adjust the pipe assembly controlling the gears (replacement of the cover).
In order to carry out this operation, the selector fork return spring thrust cups should not be fitted.
30 To adjust the 4th speed cylinder.
(a)Engage the 3rd speed as far as possible and retain it in this position.
(b)Hold the pipe assembly in position (without the adjusting washers) and measure the clearance between the cylinder and the cover.
Reduce this clearance by 0.1 to 0.3 mm, in order to obtain the thickness of the adjusting washers.
31 To adjust the 3rd speed cylinder.
Proceed as indicated above, after having engaged the 4th speed.
32 To adjust the 1st speed cylinder.
Proceed as indicated in paragraph 30, above, by reducing the clearance by 030 to 065 mm in order to obtain the thickness of the adjusting
washers.
34 Do not forget to fit the selector fork return spring thrust cups.
To bleed the hydraulic gear selector.
With the parking brake on, engine running, make successive movements through all gears and operate the auxiliary clutch lever (gear lever
in the neutral position).
Carry out this procedure for about ten minutes.
TOOLS
ADJUSTMENT OF THE AUXILIARY CLUTCH CONTROL LEVER ROD (see Pl. 67).
1 Remove the cover from the dashboard. Remove the fixing screws (left side) and disengage the three anchor plates.
Do not break these plates.
2 Make sure that the front end of the control rod (12) is in position in the hole of the valve on the hydraulic gear
selector.
3 Unscrew the screw (6) locking the rod (12) in the trunnion (13). Push the rod (12) as far as it will go towards the
hydraulic gear selector, the lever (14) pulled towards the driver and tighten the screw (6) locking the rod (12).
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