CITROEN DS 19 - Page 90

DS 19 OPERATION No. DS 120-1 : Work on the timing gear. Op. DS 120-1 88
TOOLS
47 Fit the water pump and dynamo driving belt.
Tension the belt, tighten the screw fixing the dynamo and the nut fixing the tie-rod on the dynamo (Op. DS 231-0) 14 mm spanner
14 mm ring spanner
12 mm box spanner
48 Connect the petrol feed pipe to the carburettor.
31 Fit a covered chain around the water pump cover (chain 1697-T, see Pl. 51) and raise the engine on a pulley block Chain 1697-T
32 Fit the oil pump (see Op. DS 111-4, paragraphs 10 and 11).
33 Fit the sump (see Op. DS 111-4, paragraphs 5 to 7)
34 Fit the contact breaker (see Op DS 211-1, paragraphs 14-18).
35 Fit the engine-gearbox assembly on the car (see Op. DS 100-1).
Fill the engine with oil, 7 pints (4 litres) SAE 20 oil.
REPLACEMENT OF TAPPETS
Removal.
36 Drain the cooling system (radiator and cylinder block). Retain the water which contains anti-freeze . . . . . . . . . . . 21 mm spanner
37 Remove the air filter and tube assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-17 mm box spanners
38 Remove the cylinder head (see Op. DS 112-1, paragraphs 3 to 16).
39 Remove the tappets (extractor 1608-T, see Pl. 17, fig. 1).
NOTE – It is advisable to replace the tappets one at a time, otherwise the replacement tappet may fall into an empty
bore upside down. In this position, it would be almost impossible to recover without dismantling the engine. Extractor 1608-T
Assembly (see Pl. 1).
40 Fit the tappets, previously oiled (extractor 1608-T, see Pl. 17, fig 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Extractor 1608-T
41 Fit the cylinder head (see Op. DS 112-1, paragraphs 19 and 20).
42 Adjust the valve rocker clearances (see Op. DS 112-0).