F2B ENGINE 75 T RAKKER E URO 4/5 540622 VALVE Removing dust and checking the valves Figure 114 Figure 113 MAIN DATA - VALVES AND VALVE GUIDES 92841 48625 * Values to be obtained after installing the valve guides Remove carbon dust using the metal brush supplied. Check that the valves show no signs of seiz ure or cracking. Check the diameter of the valve stem using a micrometer (see Figure 114) and replace if necessary. Check, by means of a micrometer, that valve stem diameters are as specified; if necessary, grind the valves seat with a grinder, removing the minimum quantity of material.
540667 VALVE GUIDES Figure 115 * INSTALLATION DIAGRAM FOR VALVE GUIDES AND VALVES 47509 * Values to be obtained after installing the guide valves Print 603.93.641 Base q November 2006