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The hardened valve seat inserts (sintered metal)
had a high spot (arrow) on inside of the insert for
a short time.
This high spot must be turned off in order to
machine the valve seat insert. There is a repair
valve seat insert with larger outside diameter as
a replacement part for all valve seat insert
designs. After replacing the valve seat inserts
the location of the hydraulic valve clearance
compensating elements must be checked and
corrected, if necessary (05211).
Conventional tools
Cylinder head clamping fixture
Seat insert lathe tool, size 2
Valve seat turning equipment, model VDSNL
Test set for valves
lower correction angle
Internal-thread-measuring equipment (range 25
External micrometer (range 25
45 30
60 mm)
50 mm)
PO5
e. g.
Hunger,
D-8000 Munchen 70
Part No. 221.60.000
e. g.
Hunger,
D-8000 Munchen 70
Part No. 220.03-l 10
e. g.
Hunger,
D-8000 Munchen 70
Part No. 236.03.308
e. g.
Hunger,
D-8000 Munchen 70
Part No. 216.93.300
e. g.
Hunger,
D-8000 Mtinchen 70
Part No. 216.64.622
e. g.
Mahr,
D-7300 Esslingen
Part No. 844
Mahr,
e. g.
D-7300 Esslingen
Part No. 40 S
EXIT
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