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

6-1. Power Switch

6-2. Left/Right Select Switch

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 also provides the ability to jog the
wire feeder by means of the gun trigger,
however, the contactor is energized for 3
seconds.
• If the welding arc does not initiate in 3 sec-
OM-1500-6 Page 22
.
A complete Parts List is available at www.MillerWelds.com
SECTION 6 − OPERATION
1
1
2
3
1
onds after the gun trigger is activated, the
unit will perform a jog operation for a maxi-
mum of two minutes. If the gun trigger is still
activated after two minutes, the jog opera-
tion is terminated to prevent complete des-
pooling of the wire, as in the case of a dam-
aged gun.
• Jog speed can be adjusted with the Wire
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
3 Gun Trigger Receptacles
Speed control when the unit is jogging
wire. If equipped with meters, the unit dis-
plays jog speed while the unit is being
jogged.
• Pressing the Jog/Purge button also allows
the operator to purge gas lines before
welding and to preset gas pressure at the
regulator.
Ref. 803 065
Ref. 803 048
Ref. 803 048