Position the key and the gear of the primary drive on the crankshaft.
Position the safety washer and secure the gear using service tool 88713.0137.
Tighten the fixing nut at the specified torque value.
Bend the washer.
Position the reference bushes (A) and the O-ring (B) in the casing.
Fill the oil pump and position it on the casing.
Caution! Rotate the crankshaft to check that there is a minimum clearance between the gears.
Tighten all the screws at the specified torque.
