TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
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TM 9-2350-311-20-1 4-1 LOCATION OF POWERPLANT COMPONENTS (ENGINE MODEL 7083-7396) NOTE Location of surge tank pressure relief valve differs in M109A2/M109A3 and M109A4/ M109A5 Howitzers (para 7-5). LEGEND 1 Transmission lifting eye 2 Engine oil filter-to-oil cooler hose 3 Engine oil cooler-to-filter hose 4 Flame heater igniter 5 Coolant pump 6 Engine viscous vibration damper 7 Oil pan 8 Tachometer driveshaft 9 Speedometer driveshaft 10 Engine coolant inlet tube 11 Engine and transmission support 12 Brake apply lever — right 13 Brake apply lever — left 14 Universal joint flange adapter 15 Transmission 16 Transmission throttle valve rod 17 Transmission steer control rod 18 Transmission shift control rod 19 Secondary fuel filter 20 Alternator-to-rectifier wiring harness 21 Transmission inspection cover (brake adjustment) 22 Surge tank-to-coolant pump hose 23 Engine oil filters 24 Primary fuel filter 25 Coolant surge tank 26 Radiator filler 27 Radiator cooling fans 28 Fuel return line quick disconnect 29 Inlet thermostat housing 30 Engine lifting eye 31 Engine coolant temperature transmitter 32 Engine exhaust outlet duct 33 Engine blower inlet housing 34 Turbocharger 35 Engine turbocharger inlet duct 36 Engine governor 37 Engine governor throttle control rod 38 Exhaust crossover tube 39 Air box heater fuel pump solenoid valve 40 Air box heater motor and pump assembly 41 Right engine exhaust manifold 42 Engine oil filler cap 43 Transfer breather tube 44 Bypass thermostat housing 45 Aeration detector 46 Radiator cooling fan shroud 47 Radiator-to-surge tank hose 48 Crossover tube-to-surge tank hose 49 Surge tank pressure relief valve 50 Crossover tube 51 Radiator 4-2