TCD 2015
Drive system
W 02-03-01
© 06/2006 8167-001
8/10
6
Determine big end bearing clearance
P02 56
P02 57
The big end bearing clearance is given by
the difference between the internal diame-
ter of the big end bearing shell (a) and the
lifting journal diameter (b).
Calculation example
Desired: Big end bearing clearance
Given: -
Measured: Internal diameter big end bearing shell (a)
(a) =88.060 mm
Diameter lifting journal (b)
(b) = 88.000 mm
Calculation: Dimension (a) - Dimension (b)
88.060 mm - 88.000 mm
Result: =0.60mm
z Remove screws.
z Remove the con rod bearing cover.
z Remove con rod bearing shells.
© 34778-2
Checking the con rod
z Check that the con rod is parallel.
P02 41
Attention!
Aligning the con rod is not permissible.
Check con rod without bearing shells on
the con rod test device.
Permissible deviation (a) at a
distance of (x).
© 35880-2
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