Piston Rings Installation - Dodge D250 1990 Service Manual

Out-of-Chassis Repairs
Page 91-10
Base Engine Components
DODGE Turbo Diesel
Position each ring in the cylinder and use a piston to square it
±S with the bore.
A = 89mm [3.5 inch]
o 1
^ — V ^ l
^ o
^jj^ Use a feeler gauge to measure the gap.
Limits:
Ring Minimum Maximum
Top 0.4mm [0.0160 inch] 0.70mm [0.0275 inch]
Intermediate 0.25mm [0.0100 inch] 0.55mm [0.0215 inch]
Oil Control 0.25mm [0.0100 inch] 0.55mm [0.0215 inch]
<2TM Piston Rings - Installation
Note: The top surface of all of the rings are Identified with the
word Top" or the suppliers "Mark".
Assemble the rings with the word Top" or "Mark" up.
(jMrn Position the oil ring expander in the oil control ring groove.