Yeswelder CUT-55DS, User Manual

7

2. INST

ALLA

TION AND CONNECTION

3

)

 Operation of the reducer valve

Figure 2-1: Embedded filter reducer

The embedded filter reducer is properly set when leaving factory, and users do not need to set
it themselves in general.

If users need to set the embedded filter reducer, the machine cover should be opened as shown
in the above figure. Steps are as follows: start the gas flow; lift the pressure control knob upward;
adjust the gas pressure to the desired value by rotating the knob (rotate to “+” direction to increase
gas pressure; rotate to “-” direction to reduce gas pressure); 

press down the pressure control

knob to get the knob locked. The water can be drained automatically for auto-drain function is
available for the embedded filter reducer.

4

)

 Installation of the cutting torch

Insert one end of the electrode into the
torch head.
Insert the other end of the electrode into
the distributor.
Connect the nozzle with the electrode and
distributor.
Connect the protective sleeve with the
nozzle, screw it into the torch head, and
tighten it.

Figure 2-2: Installation of cutting torch head

2.2 Precautions

1) Make sure the place to install the machine can bear the weight of the cutting machine.

2) Do not install the machine at places where water droplet splash may be produced, such as
near water pipes.

3) Cutting should be carried out in dry environment with humidity of 90% or less.

4) The temperature of the working environment should be between -10

℃

 and 40

℃

.

5) Avoid cutting in the open air unless sheltered from sunlight and rain. Keep it dry at all times
and do not place it on wet ground or in puddles.

6) Avoid cutting in dusty area or environment with corrosive chemical gas.

7) Do not carry out cutting with the cutting machine placed on a platform with a pitch greater
than 10°.

Plasma handle

Electrode AG-60

External nozzle AG-60 with groove

Electrode nozzle AG - 60

Plasma spear AG - 60