Maintenance work on the carrier
7.3 Engine
7 - 20 3 302 577 en Maintenance manual
GMK7450
16.08.2018
The radiator units are protected by grilles (3) and plates. The fan wheels (4)
are located under the grilles. When the engine is running, the fan impellers
rotate behind the grilles!
Radiator unit 1
Radiator for the engine cooling water, radiator for the engine charge air.
Radiator unit 2
Cooler for hydraulic oil.
Checking
• If necessary remove leaves, twigs and other debris from the grilles (3).
• View the fan impellers (4) through the grilles from above to check their
condition. The impeller blades must be clean and undamaged.
H
If the radiator fins are heavily soiled have them cleaned, since further soiling
can lead to overheating;
à Have them cleaned, P. 7 - 21.
G
Risk of injury due to the fan impellers!
When the fan impellers are rotating they can trap the fingers of your hand
and amputate them. Never reach into
the fan impellers when they are rotat-
ing. Do not push any tools through the grilles to clean them.
Always stop the engine before attempting to clean the fan impellers and
radiator fins.
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