- Fit the valves, the springs and the spring retaining
washers. Using the appropriate tool with adapter,
compress the springs and insert the cotters in their
seats.
Specific tooling
020382Y Valve cotters equipped with part 012
removal tool
020382Y012 bush (valve removing tool)
N.B.
DO NOT CHANGE THE VALVE FITTING POSITION. FIT THE VALVE SPRINGS WITH THE REF-
ERENCE COLOUR ON COTTER SIDE (TURNS WITH GREATER PITCH).
Inspecting the cam shaft
- Check that the camshaft ends exhibit no scores or irregular wear.
- Using a micrometer, measure the camshaft capacity.
STANDARD DIAMETER
Specification Desc./Quantity
Bearing A Ø: 42 - 0.060 -0.085 mm
Bearing B diameter: 20 - 0.020 -0.041 mm
MINIMUM ADMISSIBLE DIAMETER
Specification Desc./Quantity
Bearing A Ø: 41.910 mm
Bearing B diameter: 19.940 mm
-Using a gauge, measure the cam height.
STANDARD HEIGHT
Specification Desc./Quantity
intake 33.774 mm
discharge 33.273
ADMISSIBLE LIMITS
Specification Desc./Quantity
intake 33.526 mm
MP3 400 i.e. Engine
ENG - 67