Base
Engine Components
DODGE
Turbo Diesei
Alternative Repair Procedures
Page9K-17
Cylinder Head Combustion Deck Inspection and j^fo
Refacing S=*^
Inspect the head
surface
for
nicks,
erosion, etc.
Check
for head distortion as illustrated.
Limit
Variation:
.010mm
[0.0004
inch] in any given
50.8mm
[2.0
inch]
diameter area. The overall end or side-to-slde variation
limit
is:
•
0.30mm
[0.012
inch]
The combustion deck may be refaced in whatever increments
necessary
to clean up the surface and maintain the surface
finish and
flatness
tolerancing, as long as the combined
total
of
stock
removed does not exceed
1.00mm
[.0393
inch]. The
amount of stock removed each
time
must be steel stamped
just
above the edge of the combustion deck on the lower
right
hand corner of the rear face.
A
«
1.00mm
[.03937
inch]
total
B
=
94.00
±
0.25mm
[3.7008
± .0010 inch]
minimum (reference only)
C
« Surface finish 1.5 to 3.2 micrometers
[60 to 128 microinches]
D = Identification area for stamping amounts of
stock
removed
Valve
Guides:
Inspection and Installation
Inspect the valve guides for scuffing or
scoring.
Measure the valve guide bore.
Diameter Limits
New
Minimum:
8.019mm
[0.3157
inch]
New Maximum:
8.029mm
[0.3165
inch]
Worn
Limit:
8.090mm
[0.3185
inch]
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