15
3.9
Spares And Expendable Parts
Use only original spares and expendable parts. With parts purchased from other suppliers,
there is no certainty that these parts have been designed and manufactured to cope with the
operation and safety requirements that will be made of them.
When ordering spare parts, please give the exact description and the relevant part number, as
given in the spare parts list. Please also give the serial number of your machine.
3.10
Particular Danger Spots
Never hoist the power supply and cart with the gas cylinder bottle installed.
3.11
Calibration Of Power Supply
In view of international standards, regular calibration is advisable. Magnatech recommends a
12-month calibration interval. For more information, please contact Magnatech.
3.12
Safety Precautions At The Installation Location
The power supply must be placed on an even, firm surface so that it is stable and cannot fall
over. Special regulations apply to areas at risk from fire and/or explosion. Observe all relevant
national and international regulations. Ensure that the workplace and the area around it are
always kept clean and tidy.
3.13
Safety Precautions In Normal Operation
Only operate the power supply if all its protective features are fully functional. Before switching
power on to the power supply ensures that nobody can be injured. At least once a week, check
the power supply for any damage that may be visible from the outside, and check that the safety
features all function correctly.
3.14
Turn Power Off Before Connecting/Disconnecting Cables
Turn the Main Power Switch off before connecting or disconnecting any cables at the rear of the
power source to prevent possible damage to the electrical circuitry.
3.15 Safety
Inspection
The owner/operator is obliged to have the power supply checked for proper condition by a
trained electrician after any alterations, installations of additional components, modification,
repairs, care and maintenance, and in any case at least every twelve months.
In the course of such inspection, the following regulations must be observed (as a minimum):
•
IEC (EN) 60 974-1 – Arc welding equipment – Part 1: Welding power sources
•
VBG 4, 5 – Electrical plant and apparatus
•
VBG 15, 33/49 – Welding, cutting and allied processes
•
VDE 0701-1-Repair, modification and inspection of electrical appliances; general
requirements
•
VDE 0702-1-Repeat tests on electrical appliances
3.16
Additional Safety And Health Information
3.16.1
ANSI Standard Z49.1, SAFETY IN WELDING AND CUTTING. Order from the
American Welding Society, P. O. Box 351040, 550 N. W. LaJeune Road, Miami, FL
33125.