Cylinder head (page 4 of 4)

• Disconnect the oil vapour recovery pipe from the cylinder head.

1. Slacken the fastening screws and remove the cylinder head cover complete with gasket.

1. Slacken the cylinder head fastening screws and remove it.
2. Remove the gasket.

• Strip down the cylinder head and overhaul as described in the volume "Overhauling - Engines".

Re-assemble the cylinder head reversing the sequence described for removal and following the instructions given below.

• Turn the crankshaft to move the pistons of the 1st and 4th cylinder to the T.D.C.
• Position a new gasket on the cylinder head.

NOTE: The cylinder head gasket is in aramidic fibre and cylinder head retightening is unnecessary throughout the life of the engine.

WARNING: Before assembly, accurately clean the cylinder head and crankcase surfaces.

• - Assemble the complete cylinder head on the crankcase.
• - Tighten the cylinder head fastening screws as described below and bearing in mind that, for each step, the tightening sequence is the one illustrated.

• For angle tightening use graduated disk no. 1.820.277.000 as illustrated.

For re-assembly of the timing gear drive belt and timing and for assembly of the auxiliary components drive belt see GROUP 00.