Mercedes-Benz 603 Service Manual page 276

Data
Valve seat Intake
Valve seat width (b)
Valve seat angle (a) 45"
Upper correction angle
Lower correction angle
(Y)
Permitted concentricity
deviation of valve seat
Minimum gap (a) on 0.1 - 0.5
new valves and new
valve seats
Gap (a) on reworked
valve seats and
reground valves
The gap (a) reduces by the same amount as
cylinder head parting surface has been
reworked.
Conventional tools
Cylinder head clamping fixture
Valve seat turning equipment, model VDSNL l/45 30
Test set for valve seats
10 2 9 1 2
Exhaust
45"
0.1 - 0.5
a
e. g.
e. g.
e. g.
e. g.
Hunger,
D-8000 Munchen 70
Part No. 211.60.000
Hunger,
D-8000 Munchen 70
Part No. 236.03.308
Hunger,
D-8000 Munchen 70
Part No. 216.93.300
Hunger,
D-8000 Munchen 70
Part No. 216.64.622
EXIT