Dodge D250 1990 Service Manual page 247

In-Chassis Repairs
Page 9F-18
Base Engine Components,
DODGE Turbo Diesel
Record the depth of each valve as (B).
Calculate grinding depth (GD) as follows:
GD = (B)-(A)
V
n
(J)
Umk
^ ^ G D : 0.254mm [0.010 inch]
Note: Service valve seats are available for seats that are over
the limit. Refer to the Egnine Alternative Repair Section 9K.
Install the valves in their designated location and measure the
depth.