CITROEN DS 19 - Page 69

DS 19 OPERATION No. DS 111-1 : Work on the oil circulation. Op. DS 111-1 67
TOOLS
3 Start the engine and let it run at 4000 r.p.m.: read the pressure which should be between 54 and 58.5 p.s.i.
(3.8 and 4.1 kg/cm
2
). (Electric revolution counter 2436-T or mechanical revolution counter 2434-T) . . . . Revolution counter
2434-T or 2436-T
NOTE — if the pressure is not correct, the oil pump must be removed. For this operation, it is necessary to
remove the engine.
4 Stop the engine. Disconnect the pressure gauge. Replace the cylinder head lubrication screw. Insert a double
copper joint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-17 mm box spanners
REPLACEMENT OF AN OIL PUMP
Removal.
5 Remove the engine-gearbox assembly (see Op. DS 100-1). Leave the engine-gearbox assembly suspended
from a pulley block. Drain the engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 mm box spanner
6 Remove the sump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 mm box spanner
7 Remove the carburettor and inlet manifold assembly. Remove the distributor . . . . . . . . . . . . . . . . . . . . . . . 12 mm box spanner
8 Unscrew the pipe union from the oil pump. Unscrew the pipe union on the cylinder block and rotate the pipe
in order to release it . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 - 26 mm spanners
9 Unlock the locknut and unscrew the screw fixing the oil pump. Remove the pump . . . . . . . . . . . . . . . . . . . . 16 mm box spanner
17 mm spanner
Refitting.
10 To fit the oil pump :
a) Rotate the crankshaft to top dead centre of 1st cylinder (end of compression).
b) Engage the oil pump so that the driving dog for the distributor is parallel with the centre line of the engine,
the small side towards the engine after the pump has been placed in position.
c) Moderately tighten the pointed screw fixing the pump, so as not to deform the tube, 11 ft/lbs (1.5 m.kg)
maximum. Lock the locknut to 22 ft/lbs (3 m.kg) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 mm box spanner
17 mm spanner
11 Place the piping in position after making sure that the conical union is in the pump. Tighten the pipe union
nuts to 43 ft/lbs (6 m.kg) and the locknuts to 29 ft/lbs (4 m.kg) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14—26 mm spanners
12 To fit the sump :
See Op. DS 111-1, paragraphs 5-6 and7.
13 Fit the distributor (see Op. DS 211-1). Fit the carburettor and inlet manifold assembly . . . . . . . . . . . . . . . . . 12 mm box spanner
14 Fit the engine-gearbox assembly, on the car (see Op. DS 100-1).
Fill the engine with oil - 7 pints (4 litres of S.A.E. 20 oil).