Maintenance And Service - Webasto Air Top 2000 ST Installation Instructions Manual

Maintenance and Service

11 Maintenance and Service
Heater units may only be repaired and maintained by an
authorised Webasto partner.
Improper repairs can endanger life!
This is both for your own safety and for the safety of others.
Regular maintenance of the heating system is required for
trouble-free operation.
• Switch off the heater unit and allow all components to
cool down before conducting repair work!
• Disconnect the battery before conducting repair work!
• Electrical welding: disconnect the positive battery
terminal and connect to earth (control unit protection).
• Do not modify any components relevant to the heating
system!
• Replacing fuses: only use fuses with the prescribed rating!
• Only use genuine accessories/genuine spare parts/parts
from other manufacturers approved by Webasto!
Maintenance and service work is due at the following intervals:
Annually:
• Check electrical connectors and contacts for corrosion.
• Clean or replace fuel filter.
• Check fuel hoses for leaks.
• Check exhaust system for corrosion and leaks.
• Check combustion air intake, exhaust outlet, heating air intake and
heating air outlets for unobstructed inlet and outlet.
• Check heating air hoses for damage.
Every 2 years:
• Check exhaust values (CO, CO
• Carry out PC diagnosis.
Every 10 years:
DANGER
• Replace heat exchanger of air heater units 10 years after initial start-
up! Enter installation date on plate provided. Affix plate on heater unit
next to type plate.
Boat heating systems
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