40
4.6.4.5 Use and maintenance
1. Because the working temperature designed for the electronic control assembly is within the range of -40℃
~ + 50℃, so it is inappropriate for the vehicles using the electronic control assembly to work beyond the
range of ambient temperature (especially at high temperature). When this scope is exceeded, the warming
up more than half an hour is necessary at the low temperature. At the high temperature, it should be noted
that an inspection is taken after working about 1 hour, i.e. it should be checked that the temperature of
radiation plate should not be over 85°C, otherwise, the electronic control device will be protected against
the overheat.
2. It is necessary to check often the connection terminal and the touch-point of contactor etc., and clean dust
and greasy dirt etc., to ensure the reliable contact.
3. Regularly check all mounting points, electric junction points and the reliability of fastens. Check the arc
burns at each touch point of contactor. When the contact is seriously burn, it should be replaced in time.
4. Please charge timely the battery once the battery power reaches the second counted backward from the left
so as to avoid over-discharge and shorten the service life of battery.
5. When the wear parts like the contactor need to be replaced, the original specification and model should be
applied. If it is necessary to use the replacements, the agreement should be granted by the professional
maintenance personnel or our company technical personnel.
6. When the controller or instrument works improperly, please get contact in time with our company or our
authorized service shop for maintenance.
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General