OPERATION & MAINTENANCE MANUAL SWE50E/SWE60E/SWE70E/SWE80E9/SWE100
3.8.5 Warning
(1) For the air-conditioner cabinet with dust screen, the dust screen must be monthly cleaned, or
it will be jammed by the dust, so the air in the cab cannot swimmingly flow through the heat
exchanger and the air-condition effect will be worse.
(2) Under special conditions, (e.g damp or not too hot environment, dust screen jam, circulating
port jam by foreign materials), using strong refrigeration for a long time, you will feel the wind
is becoming smaller or even no wind, this is the representation of air conditioner vaporization
and frosting. The frost on the vaporizer surface blocks the passage of air flow which makes
refrigeration worse. But this is not malfunction, now you should stop refrigeration for a moment,
remove the blocking materials, choose big wind and restart refrigeration after several minutes
then it will become normal. After it’s normal, do not choose small wind and strong refrigeration
at the same time, e.g you can choose medium refrigeration and weak refrigeration
(3) Please close the hot water valve before using the refrigeration system in summer or the
aeration system in spring or autumn. In winter, please open the hot water valve before using the
heating system.
(4) When using heating system in winter, use it after the water temperature of engine increases.
(5) For the radiator interlinks to the water tank of the engine, so, once it leaks, the water tank
will lack water and the engine will overheat. In winter, protecting the radiator from being frozen
crack is as important as the water tank. To prevent the cooling fluid from freezing and causing
the radiator or the water tank cracks, please use the prescribed cooling fluid by the main engine
plant. You’d better effuse the cooling fluid if the engine stops for a long time in winter, or it will
freeze.
(6) The refrigerant will frostbite your skin and eyes especially. Furthermore, it will release
poisonous light and gas when meets the naked flame. So, any time before the refrigeration
system is disassembled, the refrigerant must be reclaimed or released at first, in order to avoid it
sprays over skin or into eyes. During disassembling, please ensure no open flame aside.
(7) Please run the refrigeration system for 5 to 10 minutes every half a month if it is not be used
over a long period of time.
(8) Items for regular check
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