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30/ENGINE - WORK ON INDIVIDUAL PARTS
Measuring axial clearance of crankshaft and balancer shaft
18.10
®
Cylinder - Nikasil
coating
18.11
–
Insert the crankshaft and balancer shaft in the right engine casing.
Info
Do not forget the dowels.
–
Mount the left engine casing.
–
Mount and tighten the screws.
Guideline
Screw, engine case
300126-10
–
Mount the dial gauge support on the engine case and measure and note the axial
clearance of the crankshaft.
Guideline
Crankshaft - axial clearance
»
If the measured value does not equal the specified value:
–
Remove the crankshaft.
–
Remove the crankshaft bearing inner ring. (
–
Calculate the thickness of the compensation shims.
–
Add or remove compensation shims equally on both sides.
–
Install the crankshaft bearing inner ring. (
–
Mount the dial gauge support on the engine case and measure and note the axial
clearance of the balancer shaft.
Guideline
Balancer shaft axial clearance
»
If the measured value does not equal the specified value:
–
Remove the balancer shaft.
–
Calculate the thickness of the compensation shims.
–
Add compensation shims to the ignition side only.
300164-10
®
Nikasil
is a surface protection layer for a coating method developed by the Mahle
company. The name is derived from the two materials used in this method - a layer of
nickel, in which silicon carbide (a particularly hard substance) is embedded.
The most important advantages of the Nikasil
tivity resulting in better performance, less wear, and low cylinder weight.
300099-10
M6
0.15... 0.25 mm (0.0059...
0.0098 in)
Info
If the axial clearance is too small, remove compensation shims.
If the axial clearance is too large, add compensation shims.
0.05... 0.20 mm (0.002... 0.0079 in)
Info
If the axial clearance is too small, remove compensation shims.
If the axial clearance is too large, add compensation shims.
®
coating are the excellent heat conduc-
112
10 Nm (7.4 lbf ft)
p. 109)
p. 111)
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