DS 19 OPERATION No. DS 111-1 : Work on the crankcase. Op. DS 111-1 64
TOOLS
Offer up the bearing caps fitted with their bearings (according to the reference marks made when dismantling).
Put the joints in position under the front and rear bearing caps and level with the face of the joint with the
half shells and timing cover; smear these areas with Festinol. Tighten the bearing screws to 72 ft/lbs (10 m. kg)
(torsion spanner 2471-T, see Pl. 7, fig. 2).
Tighten the half shell assembly screws. Do not rotate the crankshaft (see note, paragraph 22) . . . . . . . . . . . . Torsion spanner 2471-T
17 mm socket
8 mm box spanner
NOTE - Festinol is sold by Société Ripolin.
23 To adjust the end float of the crankshaft:
See Op. DS 100-3, paragraph 36.
24 To fit the timing gear :
a) Fit the chain and pinion assembly making sure that the keys are properly in position on the camshaft and on the
crankshaft.
b) Tighten the camshaft nut to 108 ft/lbs (15 m.kg) (spanner 1731-T, see Pl. 15, fig. 3) and that of the crankshaft
to 145 ft/lbs (20 m. kg) (spanner 1667-T, see Pl. 15, fig. 1). Hold the pinions with the setting gauge 1680-T
(see Pl. 15, fig. 2) or wedge the crankshaft with a wooden wedge inserted between a crankshaft throw and the
crankcase.
Turn down the nut locking tabs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Spanner 1731-T
Spanner 1667-T
Setting gauge 1680-T
25 To fit the sump :
See paragraphs 6 and 7, this operation.
26 To fit the timing cover :
Insert a paper joint. Tighten the fixing screws to 11 ft/lbs (1.5 m. kg) (brass washers under the heads of the three
screws projecting inside the timing cover)or smear the base of the screw heads (new screws have a circular base)
with Hermetic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 mm box spanner
27 Fit the engine flywheel. Tighten the fixing screws to 36 ft/lbs (5 m. kg) (no locking tabs) (torsion spanner 2471-T,
see Pl. 7, fig. 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Torsion spanner 2471-T
17 mm socket
28 To connect the clutch to the flywheel :
See Op. DS 100-3, paragraph 41.
29 Turn the engine over and place it on the stand 2497-T (see Pl. 19).
Insert the sealing cups and the rubber joints on the sparking plug tubes.
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