8-66Shimming (counter rotation model)012345678910AShimming check sheetChecking the external appearanceThe deviation of the lower case dimension from standard.Measuring the propeller shaft free playMeasuring the pinion heightMeasuring the forward gear backlashSerial number P F R Remarks(mm)MeasurementsFree play(mm)MeasurementsMeasurement point aMeasurement point bMeasurement point cMeasurement point dAverageTruncated average (M)(mm)MeasurementsBefore disassembly After disassemblyMeasurement point aMeasurement point bMeasurement point cMeasurement point dAverageTruncated average(BL2)