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Attention: This wire feeder is fitted with twin roll system, the feeding and the pressure rolls are both knurled to
reduce pressure to the wire. Ensure to replace both feeding and pressure rolls when changing wire diameter.
5.7 – Close roll pressure levers (8-Fig. 13) of wire feed motor and adjust pressure by means of both pressure regulator
screws (9-Fig. 13) :
Attention: This adjustment must be done very carefully:
- Excessive pressure can cause deformation of wire and difficult the wire advance.
- Low pressure can cause sliding of wire and advance interruptions causing bad welding quality.
5.8 - Attention: To avoid damage to solenoid valve, never select gas position without gas feed from bottle.
5.9 – Connect power source and move general switch of wire feeder to ON position.
5.10 – Push wire inch key button (Fig. 12) on the internal panel of wire feeder; the feeding motor rotates. Release key button
to stop motor when the wire become situated 50 cm out of the torch tip (stick-out - Fig. 14).
5.11 – Actuate on coil brake adjustment screw (2-Fig. 8) verifying that the coil
stops at the same time of the motor. This braking regulation avoids unwind of
turns out of the coil during motor stop.
5.12 – Adjust wire speed during welding by means of wire speed
adjustment knob (2-Fig. 4).
Wire diameter
Ø1,2 mm
Ø1,6 mm
Ø 2,4 mm
Ø 2,8 mm
Note: The shown parameter values can vary with the chemical composition of wire.
6 – SPARE PARTS LIST
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Welding parameter
Current scope
Voltage
100-200A
26-30 V
150-200A
26-30 V
225-300A
26-30 V
275-450A
26-30 V
15
16
17
18
19
20
Stick-out
Wire speed
30-35 mm
2.0-8.6 m/min
30-35 mm
2.8-12.2 m/min
30-35 mm
2.7-5.2 m/min
30-35 mm
4.5-7.3 m/min
Description
Nº
1
Control PCBoard
2
Rectifier bridge
3
Cable holder
4
Wheel
5
Casing :
Right lateral cover
Left movable cover
Hinge
6
Spare rolls :
(see motor chapter)
7
Nogas/gas - 2T/4T selector switch
8
Wire inch key button
9
Motor protection 12A
10
Fuse 5A
11
Wire motor feeder
(see specific chapter)
12
Torch adaptor
13
Quick connector
14
Castor
15
Power indicator
16
Speed adjusting potentiometer
17
Main switch
18
25 Kg coil holder
19
Coil holder 15 Kg
20
Wire guide inlet
OPEN ARC 500A
stick-out
Fig.14
8
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