DS 19 OPERATION No. DS 142-4 : Work on the carburettor controls. Op. DS 142-4 110
TOOLS
REPLACEMENT OF AN ACCELERATOR PEDAL
Removal.
1 Place the car on a lift or over a pit. Unscrew the nut from the screw fixing the lever on the pedal spindle.
Disengage the accelerator pedal spindle from the bearing by pressing on the end of the spindle, if necessary, use
a small bronze drift. Remove the plain washer and the rubber washer fitted between the bearing and the pedal
spindle lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 mm spanner
12 mm box spanner
Assembly.
2 Offer up the accelerator pedal spindle (previously greased with graphite grease) in the bearing.
Hold the pedal in the raised position.
From underneath the car, fit on the pedal spindle, the rubber washer, the plain washer and the return lever.
Fit the lever fixing screw and tighten the nut (plain and spring washers). Lower the car to the ground . . . . . . 12 mm spanner
12 mm box spanner
3 Disconnect the carburettor air intake pipe and make sure that the throttle butterflies open and close correctly.
REPLACEMENT OF A CONTROL ROD
Removal.
4 Place the car on a lift or over a pit. Unlock the locknut and remove the adjusting nut and the locknut from the rod.
Remove the nut fixing the rod on the pedal lever and remove the rod from the lever. Withdraw the rod from
underneath the car . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 mm spanner
7 mm box spanner
Assembly.
5 Engage the rod from underneath the car and provisionally fit the adjusting nut (to the upper part). Make sure that
the rubber distance piece is fitted on the fixing trunnion. Connect the rod to the trunnion, insert a plain
washer, tighten the fixing nut moderately and tighten the locknut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 mm spanner
7 mm box spanner
6 Lower to the ground. Disconnect the carburettor air intake pipe and set the adjusting nut of the rod in such a
position to enable the throttle butterflies to open and close correctly.
NOTE – (Cars produced before March 1956).
In the case of replacement of the rod (16) engine side (see Pl. 46, fig. 1), proceed as indicated above.
In the case of replacement of the outer rod (17) (see Pl. 46, fig. 1), proceed as follows :
Press the accelerator pedal down until a resistance is felt on the pedal; hold the pedal in this position; the
engine should then be between 950 and 1000 r.p.m. If necessary, work on the adjusting nut of the rod (17).
On no account, work on the rod (16), engine side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 mm spanner
7 mm box spanner
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