Webasto Thermo 90 ST Heater span> Works
Before starting any work on the heater, be sure to disconnect the main cable from the car battery. It is forbidden to remove the terminals from the battery when the heater is running because of the danger of overheating of the heater and the associated operation of the overheating protection, including while the heater is working or is in the purge phase.
When carrying out a large amount of work, it is advisable to still remove the heater from the car. When repairing work requiring changing the installation location of the heater should be guided by the Installation Instructions for a specific car model. After carrying out work on the liquid circuit, the nozzles should be filled with antifreeze recommended by the vehicle manufacturer and the air must be carefully removed.
Car works
ATTENTION
The temperature around the heater should not exceed 90C (for example, when painting a car)
The heater is not allowed to be started, including with a timer, in enclosed spaces, including garages or workshops that do not have a hood. In the interest of maintaining the h eater’s performance during the non-heating season, it must be turned on once a month for about 10 minutes, and the following preventive maintenance should be carried out:
- Clean the heater housing to prevent water from getting inside.
- Check electrical connections for corrosion and connection strength.
- Check intake and exhaust lines for blockages or contamination.
- Check fuel line and fuel filter for leaks.
- Check fluid circuit and circulation pump for leaks.
- Check fluid nozzles for cracks and damage.
- Replace the fuel filter if it is dirty or when preparing for the heating season.