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OM-221 694 Page 26
4-18. Preparing Unit For TIG Welding
4
5
6
2 1 3
P6
P3
To select TIG welding process, proceed as
follows:
Follow safety precautions according to
Section 1.
Prepare unit according Section 3.
Connect torch to the WORK connector.
Using a cable with a proper adapter, con-
nect work clamp cable to the MIG gun con-
nector.
If using a water-cooled torch, connect input
coolant hose to blue quick connect fitting
and return coolant hose to red quick con-
nect fitting.
Check coolant level after attaching torch
coolant hoses and running cooler. Be sure
coolant appears in upper half of indicator.
Add coolant if necessary (see Section 3-8).
If a remote control is desired, connect it to
the Remote Control receptacle.
Connect gas hose to gas connector on rear
of unit.
Turn unit On.
Allow time for unit to complete its start up
cycle.
Set TIG welding process using P3 push
button.
Purge air from torch gas hose using P8
push button (see Section 4-8).
Select trigger mode using P6 push button
(see Section 4-6).
4-19. TIG Welding Advanced Settings
Setting Initial And Final Amperage
To set initial and final amperage, proceed
as follows:
Press P2 to enter SET UP menu.
Select MENU FULL on D1 and D2 (see
Section 4-10).
Use E1 to change D1 to IN−A.
D2 value is default setting of 20 A (range is
0 A to 350 A).
Use E2 to change D2 value.
This parameter allows starting the welding
process at a lower initial amperage setting.
Use E1 to change D1 to FI−A.
D2 value is default setting of 20 A (range is
0 A to 350 A).
Use E2 to change D2 value.
This parameter allows finishing the welding
process at a lower final amperage setting.
Setting Postflow
Select MENU FULL on D1 and D2 (see
Section 4-10).
Use E1 to change D1 to POSG.
D2 value is default setting of 0.1 second
(range is 0.0 seconds to 10.0 seconds).
Use E2 to change D2 value.
Setting Cooler Status
. Be sure that cooler is turned on for wa-
ter-cooled torch to prevent damage to
torch components.
Select MENU FULL on D1 and D2 (see
Section 4-10).
Use E1 to change D1 to W−UN.
D2 value is default setting of ON.
Use E2 to change D2 value to OFF, if appli-
cable.