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Metabo MIG MAG 150-20 XT Manual

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17
ENGLISH
A Welding gun for 150/20 XT,
SB 14 (not detachable)
1) 3 m torch leads
B Welding gun for 165 SP,
SB 14 KZ-2
1) 3 m torch leads
C Welding gun for 170/30 XTC,
SB 15 KZ-2
1) 3 m torch leads
2) 4 m torch leads
3) 5 m torch leads
D Welding gun for 200/40 XT and
250/60 XT, SB 25 KZ-2
1) 3 m torch leads
2) 4 m torch leads
3) 5 m torch leads
E Welding gun for 300/45 XT,
SB 36 KZ-2
1) 3 m torch leads
2) 4 m torch leads
3) 5 m torch leads
F Earth cable for 150/20 XT
1) 3 m, 16 mm
2
(not detachable)
G Earth cable for 165 SP,
3 m, 16 mm
2
H Earth cable for 170/30 XTC,
200/40 XT and 250/60 XT
1) 3 m, 25 mm
2
I Earth cable for 300/45 XT
1) 5 m, 35 mm
2
J Dual clock pressure regulator
1) without stop valve
2) with stop valve
K Adaptor for electrode wire spools
1) 5 kg spools steel/stainless steel
and 2 kg aluminium spools
2) 15 kg basket coils steel/stain-
less steel and 7 kg aluminium
basket coils
L Welding visor
1) Automatic visor,
shade DIN 11
2) Automatic visor,
shade DIN 9-13 variable
3) with lens shade DIN 11
4) with safety plate and window,
shade DIN 11
M Nozzle spray
1) 150 ml
2) 400 ml
A
Danger!
Repairs to power tools must be car-
ried 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 machine.
All packaging material are 100 % recy-
clable.
Worn out power tools and accessories
contain considerable amounts of valua-
ble raw and rubber materials, which can
be recycled.
These instructions are printed on paper
produced with elemental chlorine free
bleaching process.
The machine is safeguarded against
overloads by multiple protection devices,
working independent of each other.
Part of these protection devices are the
fine-wire fuses on the PCBs. If any of
these fuses blows this indicates a seri-
ous machine defect.
B
Danger! High voltage!
Never attempt to replace a fine-wire
fuse inside the machine yourself.
Contact a qualified electrician!
Before replacing a blown fuse the
machine needs a complete check and
any defects repaired!
11.1 Trouble Shooting
Irregular wire feed
Feed roll pressure?
− Adjust to correct pressure
Wire guiding at wire feed motor not in
line?
− Line up feed roll and wire guiding.
Liner blocked, not suitable for wire size?
− Check, replace if necessary.
Irregularly coiled wire or wire crossed?
− Replace wire spool.
Wire rusty or of poor quality?
− Replace wire spool, clean or replace
liner.
Spool brake tightened too much?
− Loosen spool brake.
Feed roll dirty, worn, or not correct size
for wire diameter?
− Clean or replace feed roll.
No wire feed
Trigger switch in gun faulty?
− Have trigger switch checked by a
qualified electrician.
No welding current with working wire
feed
Poor contact of earth cable?
− Check earth cable for proper con-
tact.
Brittle or porous weld seam
Gas line connection not tight?
− Check connections.
Gas cylinder empty?
− Replace.
Gas valve closed?
− Open gas valve.
Pressure regulator faulty?
− Check pressure regulator.
Solenoid valve faulty?
− Have solenoid valve checked by a
qualified electrician.
Gas shroud on torch or torch leads
blocked?
− Clean gas shroud.
Air draft at welding spot?
− Screen off welding spot or increase
gas flow rate.
Workpiece not clean?
− Remove rust, grease, or paint coat-
ing.
Poor wire quality, unsuitable shielding
gas?
− Use different electrode wire or a
suitable shielding gas.
Steady gas flow
Solenoid valve faulty?
− Replace solenoid valve.
Foreign matter in solenoid valve?
− Clean solenoid valve.
Arcing when gas shroud touches the
workpiece
Short-circuit between contact tip and gas
shroud?
− Clean gas shroud and burner neck,
spray with nozzle spray.
Gun getting too hot
Contact tip too large or loose?
− Install contact tip matching the wire
size, tighten contact tip.
No function of machine
Supply circuit fuse blown or cut-out?
− Replace or turn ON again.
9. Repairs
10. Environmental Protection
11. Faults
… 17 …


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