Webasto Thermo Top C Operations Instructions download pdf (Page 39)

5. Maintenance of the Heater

5.1 Annual Maintenance

TheTTC heater requires a minimum of maintenance to keep in good operating condition.

The following maintenance procedures should be performed annually before each heating season:

Enclosure Box and Heater

- Clean the heater and enclosure box from any accumulated debris or dust with compressed air.

- Inspect all components for wear and damage.

Electrical System

- Check wiring harnesses for damage, repair or replace if damaged.

- Check the condition of the batteries and the connections.

- Load test the batteries and replace if necessary.

Combustion Air System

- Check for obstructions at air intake port.

- Check air intake tube carefully for restrictions and damage. Repair or replace if damaged.

Exhaust System

- Check the exhaust system carefully for restrictions or corrosion. Replace damaged parts.

Fuel System

- Change fuel filter if equipped. Inspect fuel line for damage, restrictions, routing or loose

connections. Repair or replace if damaged.

Coolant System

- Inspect all coolant lines and clamps for leakage, restrictions or damage. Repair or replace.

- Inspect coolant circulation pump for leakage. Repair or replace if damaged.

Operational Test

- Run your heating system for at least 15 minutes.

- Check water and fuel connections for leakage. Re-tighten hose clamps if necessary.

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Thermo Top C (TTC) 5 Maintenance of the Heater

NOTE

The heater will not function properly with weak batteries.

NOTE

For major repair and spare parts, return to your authorized Webasto Thermosystems Specialist.

NOTE

Operate your Webasto at least once a month for 20 minutes.

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Mario Rossi 27 Sep 2025 | 04:36:38

Thank you

Webasto Thermo Top C Operations Instructions Page 39