TM 9-2320-363-34-2
CRANKSHAFT REPLACEMENT (CONT)
W A R N I N G
To prevent injury, compressed air will not exceed 30 psi (207 kPa). Use
only with effective chip guarding and personal protective equipment,
goggles, shield, and gloves.
Adhesives, solvents, and sealing compounds can burn easily, can give off
harmful vapors, and are harmful to skin and clothing. To avoid injury or
death, keep away from open fire and use in well-ventilated area. If
adhesive, solvent, or sealing compound gets on skin or clothing, wash
immediately with soap and water.
1.
CLEAN OUT CRANKSHAFT OIL PASSAGES WITH BORE BRUSH. CLEAN CRANKSHAFT,
WITH
BEARINGS, AND MAIN BEARING CAPS WITH DRYCLEANING SOLVENT AND DRY
COMPRESSED AIR.
2.
USE GENERAL CLEANING METHODS TO CLEAN ALL PARTS (PAGE 2-30).
C A U T I O N
Vibration damper must be replaced when crankshaft is replaced. Failure to do
so could result in premature crankshaft failure.
Make
block
Each
each
NOTE
sure all main bearing saddles and thrust bearing counterbores in cylinder
are clean.
upper main bearing shell is grooved with oil hole. Register oil hole in
upper main bearing shell with oil hole in each main bearing saddle of
cylinder block.
Install main bearings in sets only. Do not mix old and new main bearing
on same journal. If old bearings are installed, they must be installed in
shells
same
journal they were removed from.
1.
INSPECT CRANKSHAFT TIMING GEAR KEYWAY FOR EVIDENCE OF CRACKS OR WEAR AND
REPLACE CRANKSHAFT IF EVIDENT.
12-46