Cloos NexT 452 AC, Operating Instructions Manual

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1.2 Semi-annual testing
Semi-annual testing by a qualified electrician
1. Disconnect the device.
2. Remove the machine covers.
3. Remove dust inside the device.
4. Check all electrical connections and ensure that all nuts and
screws are tightened.
5. Control the consumables of the welding power source for dirt/
wear and replace worn parts.
6. Check all PE connections.
7. Put on the covers.
Take care that you use the original screws and spring/lock washers to
fix the covers.
After completion of the above-mentioned works, the welding power
source is ready to start.
1.3 Annual testing
A repeat test acc. to IEC 60974-4 standard "Periodic inspection and
testing" has to be made.
Beside the mentioned testing instructions the corresponding state
laws/regulations have to be met.
Control Remedy
Weekly
2
The perfect function of the operating interface, signal and
control LEDs.
Contact a qualified electrician.
5 Damage to the housing. Replace damaged housing parts.
8
The tightness, damages, buckling or pollutions of the coolant
hoses. Attach/change the coolant hoses.
Clean the coolant hoses.
10
Pollution of the filter mat.
Clean/replace the filter mat
0095022000 = Filter mat
11
Dirt and wear of the wire guiding components (wire drive
rollers, toothed wheels, bearings, wire guide tube, wire inlet
nipple, liner).
Clean/change the wire guiding components.
Dirt in the wire drive housing.
Remove residuals, dust, dirt from the wire drive
housing.
Monthly
3 The transport devices, as for example the jack rings. Repair the device.
8 Coolant pollution. Change the coolant.
ATTENTION!
INFO!
INFO!