CITROËN ID 19 Repair Manual page 71

ID 19
OPERATION No. ID 112-4
: Work on the cylinder head
Op. ID 112-4 '
69
43
44
45
46
47
48
NOTE - No sealing ring should be fitted on the exhaust valve - when the motor is running the valve will rotate and
destroy the ring.
Remove the shaft (28) from the cylinder head and assemble the rocker assembly: fit the washer (37), the rocker
(36) or (38) and the spring (29). Fit the rocker assembly on the cylinder head, fix the locking caps (52) and
tighten the rockershaft fixing nuts. Make sure that the socket on the rocker rod is engaged on the spherical
end ofthe adjusting screw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
t
Adjust the valve rocker clearance to 0.010" (0.25 mm) (see Op. ID 112-O).
Fit the cylinder head cover (see paragraphs 23 to 26, this operation).
TO CLEAN A CYLINDER HEAD FILTER (see Pl. 1).
NOTE - The filter element should be cleaned after every 3, 750 miles (6, 000 kms) (when the car is used on
normal roads).
Undo the knurled nut (49). Remove the cover (50) and withdraw the filter element (51).
Clean the parts. Wash the filter element (51) in petrol and then immerse in engine oil and allow it to drain.
Brush the filter element and blow a stream of compressed air on it.
Replace the filter element (51) on the cylinder head. Refit the cover (50) and tighten the nut (49).
TOOLS
12 mm box spanner