TM 5-3805-281-24-2
Cylinder Block, Liners, Pistons, and Rods
5. Using an inside micrometer (A) measure I.D. of
bearing.
6. Subtract O.D. of crankshaft journals from I.D. of rod
bearings to obtain oil clearance.
7. Compare measurements with the following
specifications.
8. Inspect connecting rod bearings for wear or damage. If
bearings are worn or not within specification, replace
connecting rod bearings.
Measuring Connecting Rod Bearings
Crankshaft Journal--Specification
OD ............................................................................. 76.150--76.180 mm
(2.9980--2.9992 in.)
Assemble Rod Bearing--Specification
ID ............................................................................... 76.210--76.260 mm
(3.0005--3.0025 in.)
Oil (New Parts)--Specification
Clearance ............................................. 0.030--0.110 mm (0.012--0.0044
in.)
RG,RG34710,1127
1923OCT972/2
11-168