Winter season preparation for auxiliary
heater
Operator should exhaust remaining summer diesel
in fuel line of auxiliary heater before winter season
comes. Remaining summer diesel can cause
plugging in fuel line if temperature drops in sudden
because of wax crystallization. Run auxiliary heater
at least 15 minutes until remaining diesel is
exhausted.
When operator runs machine in winter season, it is
recommended to fill fuel tank over 70%. If fuel tank
has much empty space, it makes moisture inside of
fuel tank. It can go to fuel line of auxiliary heater and
frozen moisture sometimes makes fuel feeding
problem.
Fuel quality requirements for auxiliary heater
If the heater is run from a separate fuel tank, comply
with the following rules.
If ambient temperatures over 0 °C;
Use diesel fuel according to DIN EN 590.
If ambient temperatures from 0 °C to -20 °C;
Use winter diesel fuel according to DIN 590.
If ambient temperatures from -20 °C to -40 °C;
Use Arctic diesel or Polar diesel.
NOTE!
- Used oil is not allowed.
- After refuelling with winter or cold diesel or the
listed blends, the fuel pipes and the metering
pump must be filled with the new fuel by letting
the heater run for 15 minutes.
- Volvo does not recommend mixing Kerosene with
diesel due to unstable combustion which causes
decrease of durability of auxiliary heater and
makes bad exhaust gas.
- Volvo recommends to use commercial additives
which improve wax crystallization of diesel fuel in
cold weather if it is difficult to use Arctic diesel or
Polar diesel.
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Operator comfort
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