8
Fig 3. Engine AQD70C, TAMD70C
1. Oil scavenging pump
2. After-cooler
3. Heat exchanger
4. Oil cooler, engine
5. Thermostat housing
6. Vibration damper
7. Seawater pump
8. Oil filters
9. Relay box
10. Electric connection box with fuses
The engines are fitted with a heat exchanger for thermosta-
tically controlled fresh water cooling of the engine block,
cylinder heads and exhaust manifold. The exhaust mani-
fold cooling jacket is designed so that it also cools all the
exhaust ports.
The engines are lubricated by means of a pressure lubri-
cating system, where an oil pump supplies lubricating oil
to all the lubricating points in the correct quantities at all
engine speeds. The pistons in the 70-type engines are
cooled by oil fed through special nozzles located in the
engine block.
The lower part of the crankcase functions as an oil contai-
ner.
The fuel system is well protected from interruptions during
running by means of effective, replaceable fuel fine filters.
On the TAMD60 engines the fuel injection pump is flange
mounted while the other engines have the pump fitted on a
bracket.
Fig. 4. Engine AQD70C, TAMD70C
1. Circulation pump
2. Charging regulator
3. Coolant filler cap
4. Injector
5. Fine filters
6. Oil filler cap
7. Stop solenoid
8. Turbo-compressor
9. Reverse gear TDMG506
10. Oil dipstick
11. Fuel injection pump
12. Alternator
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