3-37. CRANKSHAFT REPAIR
THIS TASK COVERS:
Engine crankshaft and main bearings removed
SPECIAL ENVIRONMENTAL CONDITIONS
GENERAL SAFETY INSTRUCTIONS
Oil, lubricating, OE/HDO 30
Compressed air used for cleaning purposes will
(Appendix C, Item 21)
not exceed 30 psi.
Solvent, SD-3 (Appendix C, Item 30)
Wear heat-resistant gloves when handling heated
Use solvents away from flame and in well-venti-
Automotive repairman MOS 63H
Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Use only
with effective chip guarding and protective equipment such as goggles or shield,
gloves, etc. Failure to comply may result in injury to personnel.
Approved solvents may be flammable and will not be used near open flame. Use only in
well-ventilated area. Failure to comply may result in injury to personnel.
Avoid heavy use of wire wheel or wire brush to clean rod bearing and main bearing journal
surfaces. Failure to comply may result in an out-of-round condition to crankshaft journals.
1. Crankshaft (2)
Clean as follows:
a. Remove pipe plugs and clean all
Use SD-3 solvent to flush oil
oil holes with nylon bristle brush
holes after cleaning.
soaked with SD-3 solvent.
b. Clean remaining surfaces with
c. Dry with compressed air.
d. Install and tighten pipe plugs
to 5 lb-ft (7 Nm).