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17 .4.12
Installing the drive gear wheel of the balancer shaft
17.4.13
Cylinder - Nikasil
17.4.14
Checking/measuring the cylinder
-
Ensure that woodruff key
-
Warm drive gear wheel
onto the balancer shaft.
Guideline
1100 oc (212 OF)
310342-10
®
coating
is a surface protection layer for a coating procedure
®
Nikasil
developed by Mahle. The name is derived from the two materials
used in this procedure - a layer of nickel into which is embedded
the particularly hard silicone carbide.
The most important advantages of the
good heat conductivity, resulting in better performance, low
wear, and a lightweight cylinder.
310368-10
-
Check the cylinder bearing surface for damage.
If the cylinder bearing surface is damaged:
-
Change the cylinder and piston.
-
Measure the bore diameter at several locations on
the
and
0-
wear.
Guideline
Cylinder - drill hole diameter
Size I
Size II
Info
The cylinder size
-
Using a straightedge and the special tool, check the sealing
surface of the cylinder head for distortion.
I
Feeler gauge (590290411 00)
Cylinder/cylinder head - dis-
tortion of sealing area
If the measured value does not meet specifications:
-
Change the cylinder.
310346-10
O
is seated properly.
8
of the balancer shaft and push it
Nikasil
using a micrometer to identify oval
0-axes
78.000 ... 78.012 mm
(3.07086 ... 3.07133 in)
78.012 ... 78.025 mm
(3.07133 ... 3.07184 in)
O
is marked on the cylinder collar.
(0
p. 307)
::; 0.10 mm (::; 0.0039 in)
ENGINE 17
..
coating are very
®
..
205
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