To Strip The Cylinder Head; To Strip The Oil Pump - CITROËN ID 19 Repair Manual

ID 19
OPERATION No. ID 100-3
: To overhaul the en,qine Op. ID 100-3
39
17
18
19
20
21
22
c)
Remove the gudgeon pins.
Do not mix them up since they are weighed and paired with the respective pistons.
NOTE - It is inadvisable to remove the small end bushes. The machining and tolerances are of such high
precision that this delicate work cannot be carried out with the normal tools.
To strip the cylinder head (see Pl. 3):
Remove the valves (spring compressor 1614-T and support and base assembly 1616-T, see P1.5).
Remove side sealing plates.
NOTE - As the cylinder head is of aluminium, jhe sparking plug wells and valve seatings cannot be replaced
without special tools. Nevertheless, in certain cases, the valve guides can be replaced (see Op.
ID. 112-3, paragraphs 2 to 4).
Donotremovethe studs.....................................................................,......
. . . . . . . . .
To strip the oil pump (see P1.10):
Remove the delivery pipe and remove the tapered union.
Remove the filters (14).
Remove
the pump base (15) and the idler pinion (16)
Withdraw the driving pinion (17) ( ex ractor 1964-T, see P1.10 fig.4)
t
Do not use the dowel; insert a cylindrical pressure pad 12 mm dia. x 40 mm long between the extractor screw and
the pump shaft
Release the shaft assembly (18) and the ,pinion (19) from the pump body.
Move the fixed pinion on the shaft, release
the split retaining ring (20) and take off the pinion and key from the shaft.
Remove the positioning screws (21) of the tube support (22) and remove the tube.
Drive out the spindle (23) from the idler pinion.
Remove the spring bearing plate (24), the spring (25) and the piston (26) from the discharge valve.
Remove the bush (27) from the tube support (22) with the aid of a mandrel 15 mm dia. x 250 mm long
. . . . . . . . . . . .
Dismantle the water pump (see Op.ID 231-3).
Strip the inlet rocker shaft assembly.
Clean the parts.
With spray gun paint the inside of the engine crankcase. Use a paint resisting the action of hot oil (paint such as
AC.8, sold by CLEMENT & RIVIERE or MOUQUET).
TOOLS
Spring compressor 1614-T
Support and base assembly
1616-T
12 mm box spanner
14-26 mm spanners
12 mm box spanner
Extractor 1964-T
Pressure pad 12 mm dia.
x 40 mm long
14 mm spanner and
box spanner
Mandrel 15 mm dia.
x 250 mm long