TM 5-3825-229-14&P
6-12. CRANKSHAFT AND MAIN BEARINGS (cont)
c.
Installation (cont).
(2)
Lubricate all bearing journals on crankshaft (9) with oil (OE/HDO) and carefully lower crankshaft into
position in crankcase. It may be necessary to rotate crankshaft to clear the casting bosses in the
crankcase.
NOTE
The lower main bearings are marked as to location. Bearing (6) is marked LOWER REAR. Bearings (7) are marked
LOWER INTR. and LOWER CTR. Bearing (8) is marked LOWER FRONT.
(3)
Install lower bearings (6, 7 and 8) in position in bearing caps (3, 4 and 5). Tang on bearing must engage
slot in cap.
NOTE
Bearing cap (5) is marked F for front. Bearing cap (3) is marked R for rear. Bearing caps (4) are marked for their
respective position. Bearing caps are also marked with numbers (1 through 5) to aid in installation.
6-33