XCMG XE17U, Инструкция по эксплуатации

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09.2020 Seite 122 / 197
Warning – Operation in Special Conditions
Warning! Operating in Special environemental Conditions
Operations in extremely cold conditions
– If the excavator works in extremely cold days, protective measures
must be taken to ensure normal operation.
– The following detailed inspection can ensure normal operation of
the excavator at extremely low temperature.
o
Check if correct antifreeze is added in the cooling system at
extremely low temperature. Check the cooling system
carefully and record status of leakage.
o
Keep the battery fully charged to prevent freezing.
o
Maintain the engine at optimum so that it is easy to start and
operate the engine even at extremely low temperature.
o
Select engine oil of proper specification according to
temperature. Refer to “Lubrication and Specifications” in
engine manual for details.
o
Before operation, drain condensate in the fuel tank and water
separator, then refill.
o
Take out and service the fuel filter element, drain concretions
(e.g. wax), and ensure that the solid point of the fuel used is
lower than the lowest ambient temperature.
o
Lubricate the excavator fully according to “Lubricants and
Maintenance Schedule” or the lubrication diagram on the
machine.
o
Start the engine to warm it up to normal temperature before
load-on operation.
o
When the excavator is under idle speed, if dirt and ice are
frozen on travel motor gears, heat up to thaw the frozen
substances before excavator operation attempt.
o
Operate the hydraulic units with care until the temperature that
normal operation requires is reached.
o
Check all machine control units and their functions to ensure
normal working.
o
In cold days, see the items concerning start in cold days in
“Engine Start” in this manual if assisted start is unavoidable.
o
To prevent ice coating. Clean up all dirt, snow and water.
When possible, cover the machine with canvas and prevent
edge of the canvas from being frozen on ground.