Maintenance work on the carrier
7.3 Engine
7 - 20 3 302 649 en Maintenance manual
GMK4090
07.12.2017
Radiator unit 1 The radiator unit 1 consists of:
– Radiator for water/charge air engine
– Radiator for the transmission gear oil
– Radiator for the transfer case gear oil
– Cooling coil for compressed air
– Condenser for refrigerant for the driver's cab air-conditioning system
Radiator unit 2 The radiator unit 2 consists of:
– Radiator for hydraulic oil (mounted behind the driver's cab).
Radiator unit 3 The radiator unit 3 (additional equipment) consists of:
– Additional radiator for hydraulic oil (mounted on the hydraulic oil tank).
Check • If necessary remove leaves, twigs and other debris from the grilles (4).
• View the fan wheels (6) 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 - 20.
Have them
cleaned
G
Risk of injury at the fan wheel
When the fan wheel is rotating, it can trap and cut off amputate your fin-
gers. Never reach into a fan wheel that is rotating. Do not push any tools
through the grille to clean it.
Always stop the engine before attempting to clean the fan wheel and
radiator fins.
S
Risk of damaging the radiator fins
Do not use a high pressure cleaner or steam jet cleaner. The powerful jet
may damage the fins.
Use only suitable cleaning agents air for cleaning.
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