TM 9-2320-302-34
0033 00-12
CRANKSHAFT REPLACEMENT - CONTINUED
0033 00
INSTALLATION - CONTINUED
NOTE
Ensure all crankshaft main bearing journals are clean. Keyway on crankshaft goes to front of engine block.
4.
Coat main bearing journals and upper main bearing shells with clean engine lubricating oil. Using nylon rope and suit-
able lifting device, position crankshaft (14) in cylinder block (15) on upper main bearing shells.
5.
Remove nylon rope.
NOTE
•
Ensure saddles of main bearing caps are clean.
•
Install main bearings in sets only. Do not mix old and new bearings on same journal. If old bearings are
installed, they must be installed on same journal they were removed from.
6.
Install lower main bearing shells (13) in main bearing caps (12), with tang on bearing shells in notch at bearing caps
parting line. Coat lower main bearing shells with clean engine lubricating oil.
NOTE
Journal numbers stamped on main bearing caps should be read from oil cooler side of cylinder block begin-
ning with front main bearing cap as no. 1. Note journal number and position main bearing cap and bearing
on correct main bearing. Main bearing caps must be installed in their original positions.
7.
Install main bearing caps (12) in cylinder block (15). Apply a small amount of international compound no. 2 on threads
and undersides of heads of main bearing cap bolts (10). Install washer (11) on each main bearing cap bolt.
8.
Install main bearing cap bolts (10) hand tight.
9.
Using fiber or plastic mallet, strike main bearing caps (12) sharply toward crankshaft (14).
14
15
