Сварочное оборудование Telwin INVERPULSE 625 MIG TIG MMA - инструкция пользователя по применению, эксплуатации и установке на русском языке. Мы надеемся, она поможет вам решить возникшие у вас вопросы при эксплуатации техники.
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remove the metal dust deposited in the feeder area (rollers and wire-guide infeed
and outfeed).
7.2 EXTRAORDINARY MAINTENANCE
EXTRAORDINARY MAINTENANCE OPERATIONS SHOULD BE CARRIED
OUT ONLY AND EXCLUSIVELY BY SKILLED OR AUTHORISED ELECTRICAL-
MECHANICAL TECHNICIANS.
WARNING! BEFORE REMOVING THE WELDING MACHINE PANELS
AND WORKING INSIDE THE MACHINE MAKE SURE THE WELDING
MACHINE IS SWITCHED OFF AND DISCONNECTED FROM THE MAIN
POWER SUPPLY OUTLET.
If checks are made inside the welding machine while it is live, this may cause
serious electric shock due to direct contact with live parts and/or injury due to
direct contact with moving parts.
- Periodically, and in any case with a frequency in keeping with the utilisation and with
the environment’s dust conditions, inspect the inside of the welding machine and
remove the dust deposited on the electronic boards with a very soft brush or with
appropriate solvents.
- At the same time make sure the electrical connections are tight and check the wiring
for damage to the insulation.
- At the end of these operations re-assemble the panels of the welding machine and
screw the fastening screws right down.
- Never, ever carry out welding operations while the welding machine is open.
8. TROUBLESHOOTING (TAB.8)
WARNING! CARRYING OUT CERTAIN CHECKS IMPLIES THE RISK OF
CONTACT WITH LIVE AND/OR MOVING PARTS.
IF THE WELDING MACHINE IS NOT WORKING PROPERLY, BEFORE MAKING
MORE SYSTEMATIC CHECKS OR CALLING YOUR SERVICING CENTRE MAKE
THE FOLLOWING CHECKS:
- Make sure the welding current (adjusted using the encoder) is correct.
- Make sure there is no alarm indicating triggering of the thermal relay or of the
overvoltage, undervoltage or short circuit safeguards.
- Make sure you have not exceeded the rated duty cycle; if the thermal cutout has
triggered wait until the welding machine has cooled naturally, make sure the fan is
working properly.
- Check the main power supply voltage: if it is too low or too high the welding machine
will signal this fault (see section 4.2).
- Make sure there is no shorting at welding machine output: in such a case eliminate
the problem.
- Make sure the welding circuit connections have been made correctly, in particular
that the earth clamp is actually connected to the piece, with no insulating material
(e.g. paint) in the way .
- Make sure you are using the right protective gas, and the correct amount.
Before carrying out any work on the wire feeder or inside the welding machine, first
consult chapter 7 on “
MAINTENANCE”.
