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 TM 55-1905-223-24-3
(5)
Install the upper thrust bearings in the No. 7 main bearing saddle.
CAUTION
The grooves must be against the crankshaft flange (Figure 4-43).
NOTE
Push the crankshaft toward the rear of the engine to install the front bearing
and to the front of the engine to install the rear bearing.
(6)
Install the lower main bearing shell as follows:
(a) Use clean Lubriplate or its equivalent to lubricate the bearing shell and the crankshaft journal
mating surface.
(b) Align the lower bearing shell (1, Figure 4-44) with the dowel ring (2).
(c) Push on the side of the bearing shell opposite the dowel ring to install the bearing shell
(7)
Use clean Lubriplate or its equivalent to lubricate the lower thrust bearings.
CAUTION
The grooves of the thrust bearing must be toward the crankshaft flange. The
locating dowels must not protrude above the thrust bearing surface.
FIGURE 4-43. Positioning Bearing Grooves.
4-95
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