Maintenance; Available Accessories; Repairs; Environmental Protection - Metabo WIG 170 AC/DC Manual De Uso

6. Maintenance

This welding machine contains no user-
serviceable parts.
Depending on dust accumulation the
dust should be blown out from the
machine with dry and oil-free com-
pressed air every 4 - 6 months.
To open the welding machine remove
housing retaining screws and slide
upper housing backwards.
Periodically perform a check for visible
damage.
Contact a qualified electrician if any of
the cables are damaged.

7. Available Accessories

For machines of the WIG 170 AC/DC
series we recommend the following
accessories. These accessories have
been tested with the machine and
ensure unproblematic operation.
A TIG torch Mistral,
1) 4 m torch leads
2) 8 m torch leads
B Dual clock pressure regulator
1) without stop valve
2) with stop valve
C Foot-operated remote control unit
for stepless welding current regula-
tion.
1) with 5 m leads, plastic shell
2) with 5 m leads, aluminium shell
3) with 10 m leads, aluminium
shell
D Hand-operated remote control unit
for stepless welding current regula-
tion.
1) with 5 m leads
2) with 10 m leads
E Welding return cable, 25 mm
F Welding cable, 16 mm
G Welding visor
1) helmet
2) automatic screen

8. Repairs

A
Danger!
Repairs to power tools must be
carried out by qualified electricians
only!
Welding machines in need of repair can
be sent to the service centre of your
country. Refer to spare parts list for
address.
Please attach a description of the fault to
the power tool.

9. Environmental Protection

The saw's packaging can be 100 %
recycled.
Worn out power tools and accessories
contain considerable amounts of valua-
All manuals and user guides at all-guides.com
ble raw and rubber materials, which can
be recycled.
These instructions are printed on chlo-
rine-free bleached paper.

10. Faults

In case of malfunction three bars (---)
appear in the display.
At the same time the Equipment-on indi-
cator LED extinguishes.
Excess temperature
The excess temperature indicator is illu-
minated.
− DO NOT switch machine OFF,
in order for the fan to cool the
machine down faster.
− If the temperature has fallen off to
normal levels, the display will show
the welding current again.
You may now continue welding.

11. Trouble Shooting

Brittle or porous weld seam
Gas valve
closed?
Gas cylinder
empty?
Unsuitable shield-
ing gas?
Gas line connec-
tion not tight?
Pressure regula-
tor faulty?
Gas shroud on
torch or torch
leads blocked?
2 Air draft at weld-
, 3 m
ing spot?
2
, 3 m
Workpiece not
clean?
Solenoid valve
faulty or dirty?
Welding return
cable making
poor contact?
Control PCB
faulty?
No function of machine
Supply circuit fuse
blown or cut-out?
Open gas valve.
Replace.
Use a suitable
shielding gas.
Check connec-
tions.
Check pressure
regulator.
Clean gas shroud.
Screen off weld-
ing spot or
increase gas flow
rate.
Remove rust,
grease or paint
coating.
Steady gas flow
Have solenoid
valve checked by
a qualified electri-
cian.
No welding current
Check welding
return cable for
proper contact.
Contact
service centre.
Replace or turn
ON again.
ENGLISH
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