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 TM 55-1905-223-24-1
NOTE
Move the crankshaft to the front or rear to install second thrust bearing.
NOTE
The cylinder block has a number to keep the block and main bearings together.
The number is located on the bottom (oil pan flange) of the block at the left rear
bank. The main bearing cap has the same number stamped at the lower bottom
opposite the slot for the bearing tang. The bearings are numbered 1 through 9.
f.
Use lint-free cloth to clean the lower bearings and the mounting surfaces of the cap.
CAUTION
Do not lubricate the back of the main bearings.
g.
Position the lower half of the main bearing shells into the caps. Align the tang in the bearing with the
slot in the cap. The end of the bearing must be even with the mounting surface of the main bearing
cap.. Lubricate the bearing surfaces with clean engine lubricating oil.
h.
Install main bearing caps as follows;
NOTE
Main bearing caps are numbered 1 through 9. Position caps (1, FIG. 4-58) to
the block (2) carefully to avoid dislocation of bearing shell.
FIGURE 4-58. Main Bearing Cap Installation.
4-52
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