CITROËN ID 19 Repair Manual page 75

ID 19
OPERATION No. ID 120- 1 :
work on timing gear
Op. ID 120-l 73
21
22
23
24
25
26
27
28
Assembly (see Pl. 1).
Oil the bearing faces of the camshaft and insert from rear of engine.
Insert a sealing ring (47) in the groove of the
splined portion of the camshaft.
Fit the rear thrust flange (12), tighten the fixing screws to 7. 2 ft. lbs (1 m. kg) and turn down the locking tabs . . . . . .
12 mm box spanner
Fit the timing chain and gear and the timing case (see Op. ID 120- 1, paragraphs 4 to 7).
Fit the high pressure pump complete with paper joint between pump and distance piece, the distance piece and a
paper joint between the distance piece ana cylinder block.
Tighten the fixing
screws
(spring washers under
heads).
Fit the connecting pipe between the pump and the pressure control cylinder,
make sure that it is not strained when
fitted. Tighten the unions moderately (spanner 2220-T, see Pl.
61,
fig. 4)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 mm box spanner
Spanner 2220-T
14 mm box spanner
Extractor 1608-T
Fit the petrol pump, inserting a cork gasket.
Tighten the fixing screws (spring washers) . . . . . . . . . . . . . . . . . . . . . . . .
Fit the tappets, first oiling them (extractor 1608-T, see Pl. 17, fig. 1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fit the cylinder head gasket, after smearing with boiled linseed oil, with the crimped edges towards the cylinder
block.
Fit the cylinder head. Replace the rocker push-rods, first oiling the sockets.
Fit the exhaust rocker assembly brackets, the bracket assemblies,
rocker assembly, fixing screws and inlet
rockers, and the exhaust rocker shaft assemblies.
IMPORTANT NOTE - The lubrication holes on the exhaust rockershafts must be directed downwards.
Fit the locking caps (52) on the exhaust rocker assembly fixing studs.
Check that all the pieces are correctly fitted (see Op. ID 100-3, paragraphs 33 g and i and see Pl. 3).
Tighten the exhaust rocker assembly fixing nuts.
Screw in the fixing screws for the inlet rocker assembly and for the cylinder head. During this operation make sure
that the rocker push-rods are engaged on the spherical heads of the adjusting screws.
Screw in the short screws fixing the cylinder head
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . . . .
Tighten the cylinder head fixing screws in the order specified (see Pl. 7, fig.
l), first tightening to 21.75 ft. lbs
(3 m. kg) and then to 43.5 ft. lbs (6 m. kg). This tightening torque is very important (torsion spanner 2471-T
see Pl. 7, fig. 2). In no circumstances must a torque of 43.5 ft.lbs (6 m.kg) be exceeded . . . . . . . . . . . . . . . . .
NOTE
- It is necessary to retighten the cylinder head screws after the car has run 300 miles (500 km) to 1200 miles (2000 km). (See Op. ID 112-1,
para I8 of
Note).
TOOLS
12-14 mm box spanners
Torsion spanner 2471-T
14 mm socket
.