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2.50 LITRE DIESEL ENGINE . -. , , '.- , 13. Remove the plug from the side of the D.P.S. pump . .. and insert gauge tool 1458 and if necessary rotate the pump body until the gauge can be fully inserted and screwed home indicating that the 14. Evenly tighten the three nuts securing the pump to the cover and the single n u t and bolt to the support t . Align timing pointer on rear of cover, with the scribed line on the pump flange and tighten t h e two screws. If a new pump is being fitted and there is n o scribed line, scribe a line in the centre of the machined area on pump flange. Align the timing pointer and tighten the screws. On later engines the timing pointer has been deleted and can be ignored. . 16. Tightcn D.P.S. pump timing pulley n u t and camshaft pullcy retaining bolt to the correct 17. Remove the timing pointer from t h e housing, close the cover and secure with the two nuts. 1. Remove the plug from the flywheel housing and fit t h e body of special tool LST 107 without the pin. 2. Turn the crankshaft in a clockwise direction until t h e E.P. slot in the flywheel is in-line with the hole in the flywheel housing. If the crankshaft is inadvertently turned beyond the E . P . slot, do not in a clockwise direction until the pin of the special tool 3. Fit the timing belt tensioner assembly and loosely with the two nuts. 4. Turn t h e D.P.S. pump pulley clockwise until the dot on the pulley lines-up exactly with cast-on arrow inside the front cover. 5. Similarly, t u r n the camshaft pulley clockwise until dot lines-up with the cast-on arrow in the front covcr. 6. Fit a new timing belt over the crankshaft pulley and whilst keeping t h e belt under tension, by hand, run belt not quite mate with the grooves, turn pullcy clockwise the necessary amount. the belt over t h e D.P.S. pump pulley and if necessary turn the pulley clockwise to locate in the grooves. Keeping a firm grip on t h e belt, pass i t over tensioner jockey pulley. 7. Withdraw the special tool timing pin from the Time D.P.S. PUMP AND VALVES - Later Engines with slot in flywheel for determining E.P. The D.P.S. pump and valves are timed using the of number one cylinder. This is determined on later engines by the relationship of a slot in the flywheel periphery and a plugged hole in the flywheel housing through which a flywheel timing pin, special tool number LST 107, is inserted. - - flywheel slot. 8. Set dial type torque wrench to 20.0 to 23.5 (21 to 17 f t ) and whilst holding it vertically, insert the drive peg into the square hole in the belt and tighten iiie n u t s to the correct 9. Rotate t h e crankshaft TWO complete revolutions. 10. Slacken the tensioner clamp nuts. Tension the belt again as described in instruction 8 and tighten the clamp nuts to the correct torque. 83 |