Jasic L20701, Operator'S Manual

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7
Figure 2-1: Installation of the reducer valve
4
)
Installation of the cutting torch
Figure Installation of cutting torch head 2-2:
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
)
Not suitable for use in 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°.
3
)
Installation and operation of the reducer valve
Steps for reducer setting 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. Drain the water by turning the drain knob when there is too
much water in the
. reducer valve
Screw the electrode into the torch head.
－
－
Screw the nozzle into the torch head, and
tighten it.
－
Screw the protective sleeve into the torch
head, and tighten it.
－
Fix the bracket on the torch head, and
tighten the fastening screw.
Pressure control knob
Connecting frame
Pressure gauge
Gas hose
reducer valve
Drain knob
Torch head
Electrode
Nozzle
Protective sleeve
Bracket
Torch handle
－
The type of the plasma cutting torch:PT-31.
8
)
Precautions against topping over
，
if the welding power source shall be placed on
tilted plane
.
9
)
Do not use the welding power source to thaw frozen pipe.