Detroit Diesel MBE 4000 Service Manual page 180

1.17 PISTON, PISTON RING, AND CONNECTING ROD
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11. Calculate the connecting rod radial play (up-and-down movement) at the bearing journal.
If the radial play is less than 0.054 mm (0.0021 in.), or more than 0.116 mm (0.0046 in.),
replace the connecting rod. Listed in Table 1-32is the radial play.
Description
Radial Play
Table 1-32 Connecting Rod Radial Play
[a] For each connecting rod, note the average value for the bearing bore diameter, as
calculated. Example: D
[b] For each bearing journal, note the average value for the bearing journal diameter, as
calculated. Example: D
[c] From the value for the bearing bore diameter, subtract the value for the bearing
journal diameter. This result is the radial play. Example: D
NOTE:
In the above example, both measurements belonged to repair stage "undersize 0.1 mm."
12. Remove the bearing cap from the connecting rod.
13. Install the piston. Refer to section 1.17.2.
1-132
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Dimensions: mm (inch)
0.054 - 0.116 (0.0021 - 0.0046)
= 3.5421 inches.
s
= 3.5391 inches.
j
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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—D = 0.0030 inch.
s j
All information subject to change without notice.
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