Cylinder head gasket (page 3 of 9)

11. Insert timing pin 18G 1523 through hole in gearbox mounting plate, hold pin in contact with flywheel.
12. Using assistance, rotate crankshaft clockwise until timing pin 18G 1523 can be felt to enter hole in flywheel.

CAUTION: Do not use camshaft gear, gear retaining bolt or timing belt to rotate crankshaft.

13. Check that timing marks on camshaft gear and back cover are aligned.

14. Loosen but do not remove 4 bolts securing injection pump timing belt camshaft gear to hub.
15. Insert locking pin 18G 1717 through hole in injection pump drive gear and into hole in mounting plate.

CAUTION: Locking pin 18G 1717 must be a sliding fit, if difficulty is experienced, rotate pump hub using a socket on hub nut until pin can be inserted.

16. Check that timing marks on camshaft gear and back cover are aligned.

CAUTION: If drive belt is to be refitted, mark direction of rotation on belt.

17. Loosen Allen bolt securing tensioner pulley, move tensioner away from belt and tighten Allen bolt.
18. Remove injection pump timing belt.

CAUTION: Do not rotate camshaft, crankshaft or injection pump with timing belt removed and cylinder head fitted.. Ease timing belt from gears using fingers only metal levers may damage belt or gears. Store a belt on its edge with a radius greater than 50 mm. DO NOT use a belt that has been twisted or bent double as this can fracture the reinforcing fibres. Do not use an oil or coolant contaminated belt. Cause of contamination must be rectified. Although the belt has a service life of 84,000 miles, (135,000 km) an existing belt should only be refitted if it has completed less than 42,000 miles, (65,000 km).