64 F2B ENGINE T RAKKER E URO 4/5 Figure 77 SELECTING THE BIG END BEARING SHELLS (JOURNALS WITH NOMINAL DIAMETER) There are three markings on the body of the connecting rod in the position shown in the view fro m yAy: 1 Letter indicating the class of weight: A = 2865 to 2895 g. B = 2896 to 2925 g. C = 2926 to 2955 g. VIEW FROM kAy 2 Number indicating the selection of the diameter of the big end bearing seat: 1 = 77.000 to 77.010 mm 2 = 77.011 to 77.020 mm 3 = 77.021 to 77.030 mm 3 Numbers identifying the cap-connecting rod coupling. The number, indicating the class of diameter of the bearing shell seat may be 1 , 2 o 3 .
Determine the type of big end bearing to fit on each journal by following the indications in the table (Figure 78). 47557 Figure 78 STD. Class 1 2 3 1 green green green green green green red green green 2 red green green red red red 3 red red red Base q November 2006 Print 603.93.641