Cylinder head gasket (page 3 of 3)

15. Loosen, but do not remove 4 bolts securing FIP belt drive gear to hub.
16. Fit locking pin 18G 1717 through injection pump drive gear and into hole in adapter plate.

CAUTION: Locking pin must be a sliding fit, if pin is tight, rotate pump drive gear slightly using a socket on pump drive gear nut until pin can be inserted correctly.

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

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

18. Loosen Allen bolt securing tensioner pulley, move tensioner away from belt and tighten Allen bolt.
19. Remove FIP timing belt.

CAUTION: Do not rotate camshaft or FIP with timing belt removed. Ease belt from gears using fingers only. Store a belt on its edge with a radius greater than 50 mm. DO NOT use a belt which has been twisted or bent double as this can fracture 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).

20. Remove camshaft timing belt tensioner access plug from belt rear cover.
21. Loosen Allen bolt securing belt tensioner pulley.
22. Screw timing belt tensioner retractor tool 18G 1719 into tensioner.
23. Tighten nut on tool 18G 1719 until timing belt tension is released.
24. Tighten tensioner pulley Allen bolt.
25. Release timing belt from camshaft gear.

CAUTION: Ease timing belt from gears using fingers only. Metal levers may damage the belt and gears. Do not rotate engine with timing belt removed and cylinder head fitted.