DS 19 OPERATION No. DS 330-3 Overhauling a gearbox. Op. DS 330-3 200
d) Remove the spring cup (60) from the 4th speed selector shaft (61) (spring compressor 1798-T, see Pl. 56, fig. 1). TOOLS
Slide the shaft (61) towards the front until the front cup (62) is on the small diameter of the shaft in the area “a”.
Fit the spring compressor (as shown on Pl. 56. fig. 1), the nose pieces engaged between the end coils of the
spring. Compress the spring. Remove the cup (62).
Remove the shaft (61) and the tongue (63). Remove the spring. Disengage the selector fork (64) and its thrust
pad. Carry out the same operation for the other selector shaft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Spring compressor
Knock out the expanding washers (65). Remove the locking plungers (66) 1798-T
7-8 mm spanners
21 Replacement of the control cylinder ring seals
a) Mark each piston and the corresponding cylinder.
The pistons can easily be removed with compressed air. Cover the cylinders with a clean cloth to prevent
the pistons being thrown out.
b) Remove the ring seals from the cylinders, using a brass wire hook.
c) Clean the cylinders and pistons by immersing them in clean alcohol to the exclusion of all other products. Blow
them with compressed air.
In the case of scratches on the pistons, a light rubbing with No. 600 abrasive paper dipped in alcohol is permitted.
d) Place the mandrel successively in each cylinder (mandrels MR-3676-120 or MR-3676-130, see Pl. 64, fig. 4).
Offer up the ring seal smeared with hydraulic fluid and put it in position in the groove of the cylinder, using Mandrels MR-3676-120
a reversed piston (see Pl. 64, fig. 5). Remove the mandrel with a 6 dia. x 100 pitch screw and MR-3676-130
e) Oil the cylinder and pistons with hydraulic fluid. Engage the bottom of the pistons in the corresponding
cylinders.
22 To strip the clutch bellhousing (see Pl. 58)
a) To remove the driving shaft:
Remove the nut (70) locking the bearing (71) (spanner 1640-T, see Pl. 63, fig. 5). Drive out the shaft and
bearing assembly towards the front. Take out the bearing (71) and the oil retaining washer (72).
Remove the dynamo fixing screw.
Remove the springs (73) retaining the thrust race. Remove the thrust race and support assembly.
Remove the thrust guide screw (74) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Spanner 1640-T
b) To remove the clutch fork :-
14 mm box spanner
Cars produced before June 1959.
Remove the locking screw (75), drive out the spindle (77). Remove the return spring and the pipe from the oiler 8 mm spanner
(if one is fitted) 8 mm box spanner
Cars produced since June 1959 (see fig. 3).
Remove the two circlips retaining the spindle (77).
c) Remove the thrust race hub support (76) (see Pl. 52).
d) Remove the starter switch screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 mm box spanner
Clean the parts. except the driveshaft bearing, if this is to be used again.
To Next Page
Loading...
