Quantcast 3-37.  CRANKSHAFT REPAIR

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TM 9-2815-225-34&P 3-37.  CRANKSHAFT REPAIR THIS TASK COVERS: a.  Cleaning b.  Inspection INITIAL SETUP: APPLICABLE MODELS TROUBLESHOOTING REFERENCES All Para. 2-8 SPECIAL TOOLS EQUIPMENT CONDITION None Engine crankshaft and main bearings removed (para. 3-31). TEST EQUIPMENT None SPECIAL ENVIRONMENTAL CONDITIONS None MATERIALS/PARTS 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 crankshaft gear. PERSONNEL REQUIRED    Use solvents away from flame and in well-venti- Automotive repairman MOS 63H lated area. REFERENCES (TM) None LOCATION/ITEM ACTION REMARKS a.  Cleaning WARNING 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. CAUTION 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 SD-3 solvent. c.  Dry with compressed air. d.  Install and tighten pipe plugs to 5 lb-ft (7 Nm). 3-150


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