4Kw Air Fuel Heaters
20
VII. Maintenance
7.1
During the season when the heater is not used, the heater power
should be disconnected, and the heater should be kept clean and
dry. The heater circuit connector should be routinely inspected for
rust and loosening.
7.2
The heater should be operated at least once a month, for no less
than 15 minutes per run, to prevent mechanical components such
as the fuel pump and the motor from malfunctioning.
7.3
The fuel line needs to be inspected frequently for leakage.
7.4
The inlet end of the housing, air intake. and exhaust ducts should be
checked frequently for any foreign materials blocking the channel.
7.5
The heat exchangers and exhaust pipe cannot be used for more
than 10 years. Upon expiry, the replacement must be genuine parts,
which will be replaced by the heater manufacturer or their
authorized personnel. The composite sensor must be replaced at
the same time.
7.6
During welding operations to the vehicle, the positive end of the
heater should be removed from the battery and properly isolated to
prevent damage to the control unit. During transport, storage, the
heater’s ambient temperature should not exceed - 40 °C to 85°C.
8
The heater may have circuit failure due to the following reasons:
corrosion of connector, poor contact of connector, incorrect
connector insertion, corrosion of wire or fuse, etc. Quarterly
inspection is recommended to prevent circuit failure.
