1012B40 COUNTER - ROTATING SHAFT BEARINGS - R R - Alfa - 156 - eLearn

3239099 - 1012B40 counter - rotating shaft bearings - r r

) 1. Fit the tool.

	Name	Country
1	Counter-torque	1.820.624.000

Loosen the bolt for the drive pulley.1. Undo the bolts (1a) and remove the flywheel (1b).2. Undo the bolts (2a) and remove the flywheel protective guard (2b).

- 1004D40 engine - position on stand and remove

Support the engine on the overhauling stand using suitable tools.

- 1020D17 engind front cover - r r1. Remove the circlip securing the counter-balance shaft to the front bearing.2. Remove the rear counter-balance shaft plug.3. Remove the counter-balance shaft, complete with rear bearing, using a suitable drift.

1. Remove the circlip retaining the front bearing to the cylinder block/crankcase.2. Remove the counter-balance shaft front bearing (2a) from the cylinder block/crankcase using the tools (2b) and (2c).

	Name	Country
2b	Extractor	1.820.626.000

	Name	Country
2c	Counter weight	1.840.206.001

1. Remove the circlip retaining the rear counter-balance shaft bearing.2. Position the counter-balance shaft in a vice fitted with protective jaws and remove the rear bearing (2a) using a suitable drift (2b).

Refitting ( Removing

) 1. Fit the rear bearing (1a) on the counter-balance shaft (1b) using a suitable drift (1c).Fix the rear bearing on the counter-balance shaft using the cirlip.

1. Fit the counter-balance shaft front bearing (1a) on the crankcase using the tool (1b).

	Name	Country
1b	Fitting tool	1.821.247.000

Fix the counter-balance shaft front bearing to the crankcase using the circlip.

Fit the O-Ring on the counter-balance shaft.1. Fit the counter-balance shaft, complete with rear bearing (1a), in the cylinder block/crankcase using the tool (1b).

	Name	Country
1b	Fitting tool	1.821.247.000

Fit the circlip retaining the counter-balance shaft to the front bearing.Fit the counter-balance shaft rear plug using the tool.

	Name	Country
-	Fitting tool	1.821.247.000

- 1020D17 engind front cover - r r - 1004D40 engine - position on stand and removeFit the flywheel protective guard.Fit the flywheel and tighten the bolts to the recommended torque.

	Fastening	Component	Ø	Value(daNm)
-	Bolt	FLYWHEEL	M12	13.6 - 16.8

Remove the tools.