Valve Seat Ring
Repair / Checking
A5.05. 01.08.02.01
M20
en / 30.09.2010 IB023062 2/5
01
Sequence of operations:
1. Check of valve condition
The hardness of the valve seats is designed in such a manner that a certain adaptability is pre-
sent with regard to the valve face. Carbon deposits are therefore a normal indication and not ha-
zardous if good cooling is present (Fig. 3, 4 and 5).
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