N38143 Contents 1 Engine room ventilation 2 Exhaust systems Wet Systems.....................................................................................................3 Water lift systems............................................................................................4 Syphon break...................................................................................................5 Part wet/part dry systems...............................................................................6 Water separator................................................................................................7 Dry systems......................................................................................................8 3 Fuel systems Fuel connections.............................................................................................
11 Fuel connections - 415GM, 422GM, 422TGM & 700GM............................. 11 Fuel connections - 4GM, 4TGM 4.4GM, 4.4TGM, 4.4TWGM, 4.4TW2GM, 6TG2AM & 6TWGM.....................................................................................
11 Fuel tank connections....................................................................................12 Typical fuel systems.......................................................................................12 4 Raw water systems Keel cooling or skin cooling..........................................................................17 Sizing the coolers...........................................................................................17 Keel cooling connections- 415GM, 422GM & 422TGM................................19 Keel cooling connections - 700GM................................................................20 Keel cooling connections - 4GM and 4TGM.................................................21 Keel cooling connections - 4.4GM and 4.4TGM...........................................22 Keel cooling connections - 4.4TWGM and 4.4TW2GM................................23 Keel cooling connections - 6TG2AM.............................................................24 Keel cooling connections - 6TGWM..............................................................25 De-aeration......................................................................................................26 Radiator cooled...............................................................................................26 Expansion Tank...............................................................................................26 Engine bleed (Vents).......................................................................................26 Remote expansion tank - 4.4GM, 4.4TGM & 4.4TW2GM..............................28 5 Power take-off (not optional on the 415GM, 422GM & 422TGM) Belt drives - 4.4GM, 4.4TGM, 4.4TWGM and 4.4TW2GM only.....................35 Belt drives - 700GM only.................................................................................36 Belt drives - 4GM and 4TGM only..................................................................37 Belt drives - 6TG2AM and 6TWGM only........................................................38 6 Electrical system Electrolytic corrosion.....................................................................................39 Definition of galvanic and electrolytic corrosion...........................................
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