Quantcast 5-10.  PISTON AND CONNECTING ROD MAINTENANCE

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ARMY TM 9-2815-257-24 AIR FORCE TO 38G1-128-2 MARINE CORPS TM 10155A/2815-24/3 5-20 5-10.  PISTON AND CONNECTING ROD MAINTENANCE This task covers removal, cleaning, inspection, and installation. INITIAL SETUP Tools: Equipment Condition: Tool Kit, Master Mechanic (Item 3, App. B, Sect. III)     Cylinder head removed (Para. 5-11) Camshaft removed (Para. 5-9) Parts/Materials: Balancer shaft removed (Para. 5-8)    Solvent, Dry Cleaning (Item 7, App. E) Rag, Cleaning (Item 8, App. E) A.    REMOVAL. 1. Remove connecting rod nuts (1, Figure 5-12) and washers (2) from rod bolts (3, 4). 2. Remove connecting rod cap (5) and lower bearing half (6) from crankshaft journal.  Remove pins (7) only if replacement is required. 3. Rotate crankshaft to the top of its stroke so that piston (8) rises out of cylinder block.  Remove assembled piston (8) and connecting rod (9) from crankcase.  Remove upper bearing half (10). Use extreme caution when handling hot components.  Wear protective gloves.  Failure to observe this warning can result in injury to personnel. 4. Remove two circlips (11) from piston pin (12).  Discard circlips.  To remove piston pin from piston (8), heat components to 158 to 176 F (70 to 80 C).  Drive pin from piston and connecting rod (9). 5. Remove piston rings (13) from piston (8).  Discard rings. 6. Remove rod bolts (3, 4) from connecting rod (9). WARNING


 


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