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Webasto TSL 17 Coolant Heater
Annual Maintenance
General Information
The TSL 17 coolant heater requires a minimum of maintenance to keep it in good operating condition.
The following maintenance procedures should be performed annually before each heating season:
Heater
– Clean the heater of any accumulated debris or dust with compressed air.
– Inspect all components for wear and damage. Repair or replace worn and damaged components.
Electrical System
– Check wiring harnesses for damage, repair or replace damaged wiring.
– 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. Repair or replace if damaged.
Fuel System
– Change fuel filter once a year preferably before the heating season. 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 leaking or 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.
ATTENTION
The heater will not function properly with defective or discharged batteries.
ATTENTION
Operate the Webasto TSL 17 coolant heater at least once a month for 15 minutes to keep it in optimal
operating condition.
www.webasto.us
Annual Maintenance
10
Webasto Product N.A., Inc.
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