Assembling cylinder head:
– If necessary, use a pressing-in tool - 1 -
to force out the valve guides;
see Fig. 82.
– Use the pressing-in tool again to insert
the new valve guides - 1 -.
Note:
The correct pressing-in depth must be
complied with; for projection,
see section 4.
– Using a hand-held reamer - 2 -, ream
out the valve guides to their nominal
diameter; see Fig. 83.
– Re-machine the valve seats with a valve
seat milling cutter; see Fig. 84.
Note:
The valve seat must always be re-machi-
ned after installing new valve guides or
before installing new valves, but no more
metal than absolutely necessary (no pat-
ches anywhere on circumference of valve
seat).
3
L / M . . 09.96
82
83
84
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