Maintenance work on the carrier
7.3 Engine
09.03.2018
Maintenance manual 3 302 744 en 7 - 19
GMK5250L
The two radiator units (1) and (2) are protected by grilles (3) and plates (5).
The fan wheels (4) are located under the grilles. When the engine is running,
the fan wheels rotate under the grilles!
Radiator unit 1 (right)
Radiator for engine charge air, radiator for transmission gear oil, radiator
for differential gear oil, radiator for compressed air system.
Radiator unit 2 (left)
Radiator for engine coolant, condenser for refrigerant for the driver's cab
air-conditioning system.
• If necessary remove leaves, twigs and other debris from the grilles (3).
• View the fan wheels (4) through the grilles from above to check their con-
dition. 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 - 20.
G
Risk of injury due to the fan wheels.
When the fan wheels are rotating they can trap the fingers of your hand and
amputate them. Never reach into the fan wheels when they are rotating. Do
not push any tools through the grilles to clean them.
Always stop the engine before attempting to clean the fan wheels and radi-
ator fins.
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