5
3 OPERATION
3-1
Front panel Layout
MIG-175/195
1 Inching switch
2 Current show
3 Voltage show
4 O.C
5 MMA/MIG switch
6 Voltage adjust knob
7 Inductance knob
8 Welding current knob
9 Output -
10
11 MIG torch terminal
12 Power switch
13 GAS IN
14 Power cord
15 Fan
16 Earth
Figure 3.1
3-2
Operation
USE POWER SUPPLY ACCORDING THE MACHINE TYPE.
3-2.1 Check the connection of work piece, earth cable, welding torch, gas cylinder, regulator and hose,
make sure they are firm and reliable.
3-2.2 Switch on the power source.
3-2.3 Turn on the gas valve; adjust gas volume to 3-5L/MIN. Check if there is gas leaking.
3-2.4
Hold the torch and keep tip of Tungsten electrode 2-3 mm above the work piece, and tilt 20-
30 ˚
to vertical direction. Aim Tungsten electrode to the welding seam.
3-2.5
Push torch switch, after arc is ignited, move the torch along seam evenly. Fine tune the welding
parameter to obtain exquisite welding seam. Release the torch switch to finish a welding cycle.
3-2.6
After the operation, turn off the gas valve, push torch switch to clear the residual gas in the
regulator. At the end, turn off welding power source and wall switch.
3-2.7
C
AUTION
When using an open arc process, it is necessary to use correct eye, head, and body protection.
