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Group 22 Lubrication Systems Marine Engines TAMD61A • TAMD62A • TAMD63P-A • TAMD63L-A TAMD71A • TAMD71B • TAMD72A • TAMD72WJ-A • TAMD72P-A Contents General Information ........................................... Special Tools ...................................................... Design and Function General ................................................................ Control valves ................................................ Reduction valves ............................................ Pressure relief valve ....................................... Piston cooling valve........................................ By-pass valve ................................................. Piston cooling ................................................. Oil Pump ........................................................ Oil Cooler ....................................................... Oil Filter .......................................................... Crankcase Ventilation .................................... 2 9 10 11 12 12 12 13 13 13 14 14 14 Repair Instructions General .......................................................... Engine adaptor, fastening .............................. Lubrication oil pressure, check ....................... Oil filter, replacement ..................................... Sump gasket, replacement ............................. Oil pump, replacement ................................... Oil pump, renovation ...................................... Oil cooler, replacement .................................. Oil cooler, cleaning ......................................... Oil cooler, leakage test ................................... References to Service Bulletins ..................... 15 16 17 18 18 18 20 23 24 24 26 1