Fault Phenomenon: Dynapac F300W paver after continuous operation, water temperature alarms, machine reduces power.

Troubleshooting Process:
– Checked radiator: radiator clogged with asphalt soot.
– Checked fan: fan belt slipping.
– Checked thermostat: thermostat unable to open.
– Checked water pump: water pump impeller cavitated.

Root Cause: The engine radiator fins are severely clogged with asphalt fumes and dust, causing poor ventilation and cooling failure.

Required Parts: Professionally clean radiator and replace fan belt.