Disassembly and assembly

KENR6226-01 87
Disassembly and Assembly Section
g01327033
Illustrat
ion 162
Typical example
g01485913
Illustration 163
Typical example
3. Install upper main bearing (4) to upper main
bearing cap (2). Ensure that the locating tab for
the main bearing is seated in the slot in the main
bearing cap.
Note: The upper bearing has a groove.
4. Install lower main bearing (5) to lower main
bearing cap (6)
. Ensure that the locating tab for
the main bearing is seated in the slot in the main
bearing cap.
Note: The lower bearing is a plain bearing that has
oil holes.
5. Lubricate main bearings (4) and (5) with clean
engine oil.
6. Position the upper half of main bearing cap
(2) in position on the crankshaft. Position the
lower half of
main bearing cap (6) in position on
the crankshaft. Ensure the correct location and
orientation of the bearing caps. The locating tabs
for the upper
and the lower bearings should be on
the same side of the engine. Ensure that dowels
(8) are in the correct position. This will ensure
that the two
halves of the main bearing caps are
aligned.
For 403D-1
5, 403D-15T and 403D-17 engines,
install thrust washers (7).
For 404D-2
2, 404D-22T and 404D-22TA engines,
install thrust washers (3) and (7).
Note: Ensu
re that the thrust washers are aligned
correctly and that the oil grooves are facing the
crankshaft.
7. Instal l bolts (1).
For 402D-0
5, 403D-07, 403D-11, and 404D-15
engines, tighten the bolts to a torque of 23 N·m
(17 lb ft).
For 403D-15, 403D-15T, 403D-17, 404D-22,
404D-22T and 404D-22TA engines, tighten the
bolts to a
torque of 52 N·m (38 lb ft).
Crankshaft Bearing (Front)
Table 28
Required
Tools
Tool
Part
Number
Part Desc
ription
Qty
A
27610275
Driver 1
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