Bearing Shells
Inspection / Evaluate
A5.05. 02.03.07.01
M20
en / 13.06.1997 IB001449 2/4
02
Ĺ
Replacement
Fig. 4 - The contact reflection shows the presence of heavy pressure on one bearing edge
with scratches in the sliding surface made from aluminium alloy. This bearing
shell is not reusable. The cause for this damage has to be determined and
eliminated.
Fig. 5 - The contact reflection shows a large area of damage with various degrees of
scratching. This bearing shell is not reusable. The cause for this slide bearing
damage has to be determined and eliminated. Further bearing shells are to be
inspected.
Fig. 6 - The load bearing area of the bearing shell shows breakages in the breaking metal,
provoked by fatigue of the sliding surface made from aluminum alloy. Several
bearing metal pieces are loose in the fatigue zone. The surface structure in the
base of the breakage indicates a firm composition of steel and aluminum alloy.
This bearing shell must be exchanged. Further shells are to be inspected.
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