5 Daily maintenance and checking
5.1 Daily maintenance
Remove dust regularly with dry compressed air. If the cutting machine is used in surroundings with heavy smoke and
polluted air, it is necessary to remove dust at least one time one month.
The pressure of compressed air shall fall to required level to prevent damage to small components in the machine.
Examine inside electric joints and ensure perfect contact (Especially plugs and sockets). Fasten the loosing joints. In
case of oxidation, remove oxide film with sand paper and connect again.
Prevent water from entering into the machine and prevent the machine from getting moist. If any, blow and dry.
Measure the insulation with megohmmeter to make sure it is qualified to use.
If the cutting machine is not used for a long time, pack the machine in original package and store in dry surroundings.
All the maintenance and testing must be carried out when the power supply is totally
cut off. Please make sure the power is off before opening the closure.
5.2 Daily checking
POWER SUPPLY
Position Checking keys Remarks
Control panel
Operation,conversion and installation of the switch
Check the state of the power indicator light
Lead to unstable arc and wire
sending
Cooling fan Check if the fan state and the sound is normal or not
Clean the residue and check the
reason and solve it
Power part
Check if there is abnormal liberation and sound when the
power is on
Check if there is smell when the power is on
Whether the outside color change or get warm
Outer parts
The connector is loosen
Whether the outer shell or other connect parts are loosen
CABLE
Position Checking keys Remarks
Output cable
Wearing-out of the cable insulated
material
Cable connecting head naked (insulation
damage), or loosen (the end of power
supply, and cable of main material
connecting point)
For life security and stable cutting, adopt
suitable method to check according to
working place
Simple check daily
Careful and in-depth check on fixed period
Input cable
If the connection between the plug and the
power socket is firm
If the power input end cable fixed
If the input cable is worn out and bares the
conductor
In case of leakage and to ensure safety, please do
perform daily checking
Earth cable
If the earth cable that connects the main part is
broken and connects tightly
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