Section 6 − Operation; Power Switch; Left/Right Select Switch; Jog/Purge - Miller D-74S Manuel D'utilisation

6-1. Power Switch

6-2. Left/Right Select Switch

1

6-3. Jog/Purge

Pressing the Jog/Purge switch allows the op-
erator to jog wire without energizing the weld
power or gas valve circuit.
• The unit provides the ability to jog the wire
feeder by means of the gun trigger or the
Jog/Purge switch. If the welding arc does
not initiate in 3 seconds after the gun trigger
is activated, the unit will perform a jog opera-
tion for a maximum of two minutes. If the gun
SECTION 6 − OPERATION
1
2
1
trigger is still activated after two minutes, the
jog operation is terminated to prevent com-
plete despooling of the wire, in the case of
a damaged gun.
• The unit displays the "ERR TRIG" message
to inform the operator that the trigger is acti-
vated.
• Jog speed can be adjusted by the Adjust
control when the unit is jogging wire. The
1 Power Switch
1 Left/Right Select Switch
Pressing the Left/Right Select
switch allows the operator to
choose which side of the unit's con-
trols will operate.
1 Jog/Purge Push Buttons
2 Wire Speed Controls
unit displays jog speed when the unit is be-
ing jogged.
• Jogging can also be accomplished by
pressing the Jog/Purge button.
• Pressing the Jog/Purge button also allows
the operator to purge gas lines before weld-
ing and to preset gas pressure at the
regulator.
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Ref. 803184-B