505781 - 1012B40 Counter-balance shaft crankcase bearings - Replace with engine and gearbox removed

Removing ( Refitting ) 1. Remove the circlips (1a) and (1b) fastening the counter-balance shaft front bearing.2. Remove the counter-balance shaft (2a) complete with rear bearing (2b) using a suitable drift.3. Keep the rear plug. 1. Remove the counter-balance shaft front bearing (1a) from the cylinder block/crankcase using tools (1b) and (1c).

	Description	Code	Function
1b	Extractor	1.840.207.814	Extracting counter-balance shaft front bearing

	Description	Code	Function
1c	Mallet	1.840.206.000	Extracting counter-balance shaft front bearing

- Position the counter-balance shaft in a vice fitted with protective jaws.1. Remove the circlip retaining the rear bearing to the counter-balance shaft.2. Remove the counter-balance shaft rear bearing (2a) using a suitable drift (2b). Refitting ( Removing ) - Position the counter-balance shaft in a vice fitted with protective jaws.1. Fit the rear bearing (1a) on the counter-balance shaft (1b) using a suitable drift (1c).- Fasten the rear bearing to the counter-balance shaft using the circlip. 1. Fit the counter-balance shaft front bearing (1a) in the cylinder block/crankcase using the tool (1b).

	Description	Code	Function
1b	Fitting tool	1.860.816.000	Fitting counter-balance shaft front bearing on crankcase

- Fasten the counter-balance shaft rear bearing to the cylinder block/crankcase using the circlip. 1. Fit the counter-balance shaft complete with rear bearing (1a) in the cylinder block/crankcase using the tool (1b).

	Description	Code	Function
1b	Fitting tool	1.860.816.000	Fitting counter-balance shaft rear bearing on crankcase

- Place the counter-balance shaft rear plug in its housing.