9Repair DBW 2010 / 2016
901
9Repair
9.1 General information
This section describes the repair work that can be carried out
on the heaters when they are installed. Any further disman-
tling will invalidate the warranty.
During assembly only the spare parts from the corresponding
spare parts kit may be used.
WARNING
The ignition spark generator is operated with high voltage.
The following components may also be replaced with the
heater installed, provided sufficient space is available:
– Temperature limiter
– Temperature sensor
– Fan or control thermostat
– Thermal fuse
– Thermal fusible link
– Burner head
– Ignition spark generator
– Flame monitor
–Combustion chamber
Before the replacement, the connectors of the wiring harness
must be disconnected from the control unit, as otherwise
there is a danger of incurring life-threatening injuries.
Before replacing the temperature sensor or the temperature
limiter on heaters with the 1563/1564 control unit, the pres-
sure in the cooling system must also be released by opening
the radiator cap.
Also allow the heater to cool if necessary.
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