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TM    5-2815-241-34&P Section  VIII.  PISTON  AND  CONNECTING  ROD  MAINTENANCE PISTON  AND  CONNECTING  ROD This  task  covers: a.  Disassembly  (page  2-220) c.  Repair  (page  2-231) b.  Cleaning/inspection  (page  2-222) d.  Assembly  (page  2-235) INITIAL  SETUP Tools Arbor,  expanding Container,  2-gallon Expander,  piston  ring File,  half-round Fixture,  checking,  connecting  rod, ST-561 Gage, bore, dial Gage,  plug,  ST-205 Gage, ring groove, ST-560 Gage,  thickness Handle,   hinged,   1/2-inch   drive Machine, boring, ST-526 Mandrel and block, ST-870 Mandrel,  piston  pin Mandrel  set,  ST-1242 Micrometer,  0-to  1-inch Micrometer,  1-to  2-inch Micrometer,  5-  to  6-inch Mittens,  cloth,  heat-protective Plate,  surface Pliers,   snap-ring,   6-inch Press, arbor Scraper Tools  -  Continued Socket,  15/16-inch,  1/2-inch  drive Vise,   machinist’s Wrench,  torque,  0  to  150  ft  lb  (0  to 210 N•m), 1/2-inch drive Materials/Parts Cutting fluid, lapping (item 5, appendix B) Prussian  blue  (item  13,  appendix  B) Ring set, piston (six required) Soap, lubricating (item 15, appendix B) Tags,  marking  (item  17,  appendix  B) Washers,  connecting  rod  (12  required) Equipment   Condition Piston  and  connecting  rod  removed (page  2-52). References TM 55-1500-335-23, Inspection Methods, Non-Destructive ACTION LOCATION ITEM REMARKS DISASSEMBLY NOTE Steps given are typical for all six pistons and connecting rods. Be sure to tag all pistons, bearings,  and  bearing  caps  to  their  respective  connecting  rod  and  location  in  cylinder block. If a new or reground crankshaft is used, discard used bearings. 1. Connecting rod (1) Bearing  cap  (2),  two nuts (3) and two washers  (4) Take   off. Discard  washers. 2-220 Change 1


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