– 76 –ENGMIDDLE GEARExample:1) If the bearing housing is marked “–2”,..... a is 4.48.2) b is 15.03) c is 554) If the crankcase (right) is marked “75.01”,..... d is 75.01.5) Therefore, the shim thickness is 0.53 mm.A = 75.01 – 4.48 – 15.0 – 55= 0.536) Round off hundredths digit and selectappropriate shim(s).In the example above, the calculated shimthickness is 0.53 mm. The chart instructsyou, however, to round off 3 to 5.Shims are supplied in the followingthicknesses.Hundredths Round value0, 1, 2 03, 4, 5, 6, 7 58, 9 10Middle drive pinion gear shimThickness (mm)0.10 0.300.15 0.400.20 0.50 To find shim thickness “B” use the followingformula:Middle driven pinion gear shimthickness:“B” = e – f + g – h – i – 0.05
