Inspect The Valve Springs; Measure Valve Spring Force; Assembly Of The Cylinder Head - Dodge D250 1990 Service Manual

In-Chassis Repairs
Page 9F-20
Base Engine Components
DODGE Turbo Diesel
If required, grind area (A) with a 60 degree stone and (B) with a
15 degree stone to center the seat on the valve face. Maintain
the valve seat width limits.
Minimum (1): 1.5mm [0.060 inch]
Maximum (2): 2.0mm [0.080 inch]
Inspect the Valve Springs
Measure the valve spring.
Limits:
Approximate Free Length (L): 55.63mm [2.190 inch]
Maximum Inclination: 1.0mm [0.039 inch]
Measure Valve Spring Force
Force Required:
289.32 N [65 lbs] is the minimum acceptable load required to
compress the spring to a height of 49.25 mm [1.94 inch].
j^Jj Assembly of the Cylinder Head
§f& Note: Clean all cylinder head components before assembling.
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Install the valve stem seals.
Note: The intake and exhaust seals are the same.