Seq U En C E O F O Per A Ti O N; Stick Welding - Thermal Arc ARCMASTER 300S Service Manual

6

SEQ U EN C E O F O PER A TI O N

N O TE
Scr ol l But t ons ar e used t o sel ect t he par am et er s t o
be set . The LED ' s show w hi ch f unct i on i s bei ng
adj ust ed on t he w el d sequence gr aph. R ef er t o t he
Sym bol s Tabl e l ocat ed i n t he f r ont of t he m anual
f or Sym bol descr i pt i ons.
1
8
3
4
Fi gur e6-1: 300/ 40TS Fr ont Panel
8
4
Fi gur e6-2: 300/ 400S Fr ont Panel
1. Pul se f unct i on:
Pressing this button enables the TIG current
pulse functions.
2. R em ot e C ur r ent f unct i on:
Pressing this button enables remote current
functions.
3. TI G M ode Funct i ons:
Pressing this button scrolls through the output
TIG function modes (Standard, Slope, Slope
w/repeat, Spot).
4. D i gi t al LED di spl ay:
SEQ U EN C E O F O PER A TI O N
5. Save/ Load B ut t ons:
9
2
6. C ont r ol knob:
5
7. Pr ocess B ut t on:
7
8. Scr ol l B ut t ons:
6
9
9. C ont act or f unct i on:
2
1
7
6
Use the Scroll Buttons to move to the parameter to
be set. The LED will show which function is being
adjusted on the weld sequence graph.
Use the control knob to adjust each parameter.
Commence welding.
6 – 1
Welding amperage and parameter values are
displayed in this window. Internal warnings
such as over temperature, low or high input
voltage applied are signaled to the operator by
a warning sound and error message on the
screen.
By using the Save & Load buttons the operator
can easily save up to 5 welding parameter pro-
grams.
Allows the operator to adjust the output amper-
age within the entire range of the power source
and sets each parameter value.
This button selects between STICK, HF TIG
and Lift TIG mode.
Used to select the parameters to be set. The
LED's show which function is being adjusted
on the Sequence Graph.
Pressing this button enables Contactor func-
tions.
St i ck W el di ng
Connect work lead to negative terminal.
Connect electrode lead to positive terminal.
Switch machine on.
Set Contactor.
Connect remote control device if required.
Set HOT START.
Set WELD current.