Lincoln Electric CLASSICII SVM125-A Service Manual page 25

B-11
TO USE THE CLASSIC II FOR DC
CONSTANT CURRENT STICK OR TIG
WELDING:
1. Remove the flange nuts from the weld output ter-
minals and place the work and electrode welding
cables over the terminals. For positive electrode,
connect the electrode cable to the + terminal and
the work cable to –.
reverse the electrode and work cables at the
welder's output terminals.
Replace and tighten the flange nuts securely. Be
sure the connections are tight.
2. Select the appropriate electrode.
3. Attach the work clamp securely to the work you are
welding.
4. Insert the electrode into the electrode holder.
5. Start the Diesel Engine. See Engine Operation in
this section of the manual.
6. Set the Idler Switch to "AUTO."
FIGURE B.4 – WELDING CIRCUIT CONNECTIONS FOR STICK WELDING
8 0
OPERATION
For negative electrode,
See Figure B.4.
1
5
7 6
CLASSIC II
7. Set the CURRENT RANGE SELECTOR to a set-
ting equal to or slightly higher than the desired
welding current.
8. Set the FINE CURRENT ADJUSTMENT to the set-
ting that gives the best arc characteristics for the
range selected. See Control of Welding Current
in this section of the manual.
9. Strike an arc and begin welding.
After you finish welding:
1. Stop the engine. See Engine Operation in this
section of the manual.
2. Allow the electrode and work to cool completely.
3. Remove the work clamp from the work.
4. Remove any remaining piece of electrode from the
electrode holder.
2
4 3
B-11
1. OUTPUT TERMINALS
2. ELECTRODE CABLE
3. ELECTRODE HOLDER
4. ELECTRODE
5. WORK PIECE
6. WORK CLAMP
7. WORK CABLE