F2B ENGINE 73 T RAKKER E URO 4/5 PRINT603.93. 641/A Fitting the connecting rod-piston assembly into the cylinder liners Figure 109 Figure 107 47593 Fit the half-bearings (1), selected as described on pages 59 to 65, both on the connecting rod and on the stand. 49030 - all pistons belong to the same class, A or B; - ideogram stamped on the piston crownis placed toward the engine flywheel, or the cavity, on the piston cover, corresponds to the position of the oil spray nozzles. NOTE As spares, class A pistons are provided and can be fitted also to cylinder liners belonging to class B. Be very careful that the connecting rod does not strike the cylinder walls.
Fit the connecting rod-piston assemblies (1) into the cylinder liners (2) using band 99360605 (1, Figure 109). Check the following: Piston protrusion check Once assembly is complete, check piston protrusion from cylinder barrels: it must be 0.32-0.69 mm. - the rings gaps are offset by 120 ; Figure 108 1 Connecting rod-piston assembly 2 Marking area on the piston crown of ideogram specifying the assembly position and the selection class 3 Connecting rod marking area (see Figure 101). 61831 Print 603.93.641/A Base q November 2006 Revi - June 2007