CHENGDU HUAYUAN ELECTRIC EQUIPMENT CO.,LTD
LGK-100.160.200
13
Hoop
Gas pressure
regulating valve
Inlet pipe
Draining water tip
The compressed gas should fit the second rule of the fourth item. Connect the
gas pipe with the gas inlet of inhaler on the back panel and hoop tightly.
c) Connection of cutting torch
1. Choose the nozzle of torch.
Different nozzle aperture diameter is suited by different current range,
please choose it refer to the form as below.
Nozzle
aperture
dia.
（
mm
）
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
Suitable
current
（
A
）
2
0～
30
3
0～
40
4
0～
65
7
0～
90
8
0～
100
11
0～
130
14
0～
170
18
0～
210
22
0～
250
2. Connection of gas cooling torch: first connect the torch cable connector
M14 nut with the copper nozzle signed with Gas& Power Output on the
front panel, screw down the nut; then connect the torch striking wire to
terminal post signed with Arc Striking on the front panel and screw down
the nut. Finally, connect the torch control pin to the outlet signed with
Control on the front panel and screw down the nut.
Special notes: it should not exceed the rated current of torch when use gas
cooling torch, or it will be damaged by heat.
3. The requirements on connection of control pin when customers change
different torch from another factory.
Adopt WS20J4TQ 4-core pin form WEIPU Electrical Appliance Co., Ltd
Requirements on gas cooling torch:
1). Connect the 1,2 pin of 4-core pin to switch control wire of cutting torch.
2). Short connect 3,4 pin of 4-core pin by gummed wire.
3). Striking arc wire connects cold-press joint UT-8.
d) Connection of cutting ground wire
Connect the fast connector of cutting ground wire with the outlet signed with Cutting
Ground Wire on the front panel and screw down it clockwise. The other end of the cutting
