F3B ENGINE 197 T RAKKER E URO 4/5 PRINT603.93. 641/A Fitting connecting rod - piston assemblies in the cylinder liners Figure 126 With the aid of the clamp 99360605 (1, Figure 126), fit the connecting rod q piston assembly (2) in the cylinder liners, according to the diagram of Figure 127, checking that: - The openings of the piston rings are staggered 120 apart. - The pistons are all of the same class, A or B. - The symbol punched on the top of the pistons faces the engine flywheel, or the recess in the skirt of the pist ons tallies with the oil nozzles. Be very careful that the connecting rod does not strike the cylinder walls.
60616 NOTE The pistons aresupplied as spares in class A and can be fitted in class B cylinder liners. Checking piston protrusion On completing assembly, check the protrusion of the pistons from the cylinder liners; it must be 0.12 q 0.42 mm. Figure 127 60615 ASSEMBLY DIAGRAM OF CONNECTING ROD q PISTON ASSEMBLY IN CYLINDER LINER 1. Connecting rod q piston assembly q 2. Area of punch marking on the top of the piston, symbol showing assembly position and selection class q 3. Connecting rod punch mark area Print 603.93.641/A Base q November 2006 Revi - June 2007