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B-6
OPERATION
B-6
OPERATING STEPS
The following procedures are for using the IDEALARC
DC-1000 in the local control mode of operation. For
remote control of the machine, see the Remote
Control of Machine Operation section.
Before operating the machine, make sure you have all
materials needed to complete the job. Be sure you are
familiar with, and have taken all possible safety pre-
cautions before starting work. It is important that you
follow these operating steps each time you use the
machine.
1. Turn on the main AC power supply to the
machine.
2. Set the CONTROL CIRCUIT POLARITY SWITCH
to the appropriate position.
- Set toggle to “Electrode Negative” position if the
electrode is connected to the negative (-) output
terminal.
- Set toggle to “Electrode Positive” position if the
electrode is connected to the positive (+) output
terminal.
3. Set the WELDING MODE SWITCH to welding
process being used.
- CV Innershield®
- CV Submerged Arc
- VV (CC)
4. Push the ON/OFF PUSH BUTTON to the ON
position.
- The red neon light glows.
- The fan starts.
5. Set Output Control Potentiometer to desired volt-
age or current.
6. Make the weld (NOTE: Terminal #2 and #4 must
be connected together to energize the machine
output).
REMOTE CONTROL OF MACHINE
OPERATION
The toggle switch on the control panel labeled “Output
Control at DC-1000” - “Output Control Remote” gives
the operator the option of controlling the machine out-
put from a remote location. If in the Remote position, a
wire feeder with remote control capabilities or a
remote control device such as a K775, must be con-
nected to terminals #75, #76, and #77 to operate.
Refer to
Accessories
Section for wire feeder remote
information.
WELDING PROCEDURE
RECOMMENDATIONS
Select Welding Mode Switch position based on type of
welding to be done.
1 Innershield® Welding/Other Open Arc Processes:
Use the CV Innershield® mode.
2. Submerged Arc Welding: Use the CV Submerged
Arc mode. If performing high speed welding,
switch between the CV Submerged Arc and the
CV Innershield® mode and use the mode that
produces the best welding results. High Current,
Large Puddle Submerged Arc Welding: Use the
VV (CC) mode.
3. When the IDEALARC DC-1000 is used for
Air/Carbon Arc cutting, use the CV (I) mode and
initially set the OUTPUT CONTROL POTEN-
TIOMETER to “9”. Based on the size of the car-
bon being used, turn the potentiometer to a lower
setting as required to obtain the best results. You
can use carbon rods up to 5/8” (15.9 mm) in diam-
eter. The welder protection circuit protects the
machine from extremely high short circuiting puls-
es.
SEMI-AUTOMATIC AND
AUTOMATIC WIRE FEEDING WITH
IDEALARC DC-1000 AND WIRE
FEEDERS
NA-3 AUTOMATIC WIRE FEEDER
1. Set the DC-1000 Output Control Switch to
Remote.
NOTE: Later model NA-3 automatic wire feeders are
capable of cold starts when the NA-3 Mode switch is
in the CV or VV (CC) mode position. Some earlier
models are capable of cold starting only in the VV
(CC) mode position. Cold starting enables you to
inch the wire down to the work, automatically stop,
and automatically energize the flux hopper valve.
2. Set the DC-1000 welding mode switch for the
desired process: CV Submerged Arc, CV
Innershield® mode or VV (CC) mode.
3. Set the NA-3 mode Switch Position to either CV or
VV (CC) to match the DC-1000 mode selected in
step 2.
4. Refer to the NA-3 operators manual for instruc-
tions on how to use the NA-3 in conjunction with
the DC-1000.
5. Follow the following guidelines for good arc strik-
ing detailed below for each welding mode.
IDEALARC DC-1000
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