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December 2019W11/W12/W13 | Operation manual
Replacing the coolant
1. Park the loader on a horizontal surface and apply the parking brake.
2. Lower the lifting frame completely.
3. Switch off the engine.
4. Place a sufficiently dimensioned drip tray beneath the lower radiator hose.
5. Open the radiator cap.
6. Loosen the lower radiator hose (undo the hose clip and remove the hose).
When the coolant has drained:
1. Replace the lower radiator hose properly.
2. Mix new coolant equally between clean tap water and new antifreeze.
3. Fill the new coolant into the radiator opening until the radiator fins are covered with coolant.
4. Close the radiator cap.
5. Check the coolant level again after half an hour of operation.
Cleaning the cooling system
Clean soiled coolers with compressed air. You can also clean heavily soiled coolers with water under high pressure.
Clean:
• The engine radiator
• The hydraulic oil cooler
• The generator (with compressed air only)
The higher the dust content in the air, the more frequently all coolers must be checked and cleaned.
Always cover the air filter's intake manifold before cleaning! Do not damage the radiator fins when cleaning the
radiator. Carefully straighten bent cooler fins!
ENVIRONMENTAL INFORMATION
Do not harm the environment!
Only clean the wheel loader at a suitable location where the wastewater can be collected in an environmentally
friendly manner.
Collect contaminated wastewater and dispose of it in an environmentally friendly manner!
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