djm direct DJMMIG130 Manuel - Page 9

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When using the welder in a gasless configuration the shielding gas is

created from the flux within the welding wire.

When using the welder outside, you may need to erect a wind break

to make sure the shielding gas is not blown away, thereby leaving a

poor quality weld.

10.2 Gas/No-Gas Selection (for with DJMMIG195)

The welder can be configured to weld, with or without a gas supply

according to the type of welding wire being used.

- Mild Steel solid core (With Gas),

- Flux Cored (No Gas)

Welding without gas

- If using 0.9mm flux cored wire, connect the terminal as shown.

- The earth cable (Thicker Lead) should be connected to the positive

(Red) terminal.

- The cable from torch (Thinner Lead) should be connected to the

Negative (Black) terminal

Welding with gas

- If using solid cored wire 0.6/0.8mm mild steel, connect the terminal

as shown.

- The earth cable (Thicker Lead) should be connected to the negative

(Black) terminal.

- The cable from torch (Thinner Lead) should be connected to

the positive (Red) terminal.

CONNECTING THE GAS SUPPLY

- Connect a bottled gas supply to the small tube at the back of the

welder.

10.3 OPERATING THE WELDER

Setting the welding current

-The welding current can be set to 2 different levels using the

welding current adjustment switch . The required welding current

depends on the material thickness, the required penetration depth

and the welding wire diameter.

Setting the wire feed speed

-The wire feed speed is automatically adjusted to the current setting.

The final wire feed speed setting can be made on the welding wire

speed controller. It is advisable to start with the medium setting and

to re-adjust the speed as necessary. The required quantity of wire

depends on the material thickness, the penetration depth, the

welding wire diameter and also the size of the gap to be bridged

between the workpieces you wish to weld.

Electrical connection

- Before you connect the equipment to the mains supply make sure

that the data on the rating plate are identical to the mains data.

- The equipment may only be operated from properly earthed and

fused shock-proof sockets.

Connecting the earth terminal

- Connect the welding set's earth terminal in the immediate vicinity

of the welding position if possible. Ensure that the contact point is

bare metal.

Welding

- When all the electrical connections for the power supply and

welding current circuit have been made, you can proceed as follows:

- The workpieces for welding must be clear of paint, metallic

coatings, dirt, rust, grease and moisture in the area where they are to

be welded.

- Set the welding current and wire feed