OM600 ENGINE MECHANICAL 1B3-119
4. Reaming basic bore in cylinder head (repair size).
- Thoroughly remove carbon deposits in cylinder head.
Notice
Particularly remove the insides of the valve seat rings.
- Remove the elevation (arrow) of intake valve seat rings.
- Select correct broaching tool and guide sleeve (refer to
the table).
Notice
Before broaching work, the broaching tool must be cleared
of swarf with a stiff plastic brush.
- Lubricate the basic bore, guide sleeve and broaching tool
with petroleum.
- Push broaching tool (6) in broaching direction (arrow) into
the guide sleeve (7) far enough so that the first cut of the
broaching tool is positioned in the basic bore when guide
sleeve is fitted onto the valve seat ring (3).
6. Broaching tool
7. Guide sleeve
See the ‘standard data’
- Center the guide sleeve (7) in the valve seat ring (3) by
turning.
- Knock through the broaching tool (6) with a plastic hammer
(approx. 25g). and aluminum drift.
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