HUAYUAN LGK-63/100MA, Operator'S Manual

Page: 13 / 18

Chengdu Huayuan Electric Equipment Co.,Ltd LGK-40/63/100IGBT OPERATOR’S MANUAL
12
front-below panel.
7. Connection of cutting ground wire
Connect the fast connector of cutting ground wire with the outlet marked with Cutting Ground Wire on the front-below panel and
screw down it clockwise. The other end of the cutting ground wire is connected to workpiece firmly.
Operation method
1. Security notes

Turn on the power switch after installation and connection. Then the power indicator lamp is ON.

Gas control switch switches to Check air. Adjust the pressure Adjusting knob of gas filter on the back panel to make the pressure
and flux fit cutting condition. After adjusting, set the switch to Cutting position.

Set the cutting current to required value.

Let the nozzle axes plumb the workpiece and cling to it firmly, press down the torch switch and start to cut by striking arc from
the edge of workpiece. To punch hole by plasma arc in the middle of workpiece is not proposed, because the nozzle would be
damaged easily. It is better to punch a hole in the arc-striking position first, then strike arc from the edge of the hole.
 If want to stop cutting, please loosen the torch switch, cutting arc extinguishes, and gas supply will stop in 5-8S automatically.
Notes
:
Operation strictly accordant with the following steps
Notice
Electric shock may
hurt or even kill
man. Cutting may cause fire or explosion

Splashes may ignite flammable materials nearby.
Those materials should be 10m away from the
working place. 
Shut off the power during connection

Do not touch the conducted parts
Fume & dust is harmful.

Do not breathe in the fume and dust
caused by cutting

Clean up the oil spot on work piece.

Keep fresh air in working place

Fume extraction equipment should
be prepared.
Arc may hurt your eyes and skin.

Strong arc may hurt your eyes.

Ultraviolet radiation generated by arc may hurt
skin and eyes. Please wear shielded guard when
cutting.
Overheated part may hurt
your skin.

Do not touch the overheated part on
the work piece.

Do not touch hot cable or torch just
by hands.
Fast moving thing may injure you.

Do not put your hands or other things into the
fan shield.

Cover the opened case shell well during cutting
operation.
In case of injury for your skin and eyes, please wear
required guards according to Labor Security and Hygiene
rules. Electrode and nozzle should be replaced only after
the cutter is power off.
Operation should proceed according to related Labor and
Security regulations.