Miller S-74 MPa Plus Manuale d'uso - Pagina 23

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SECTION 5

5-1. Power Switch

6-1.

Power Switch

5-2. Jog/Purge Switch

6-2.

Jog/Purge Switch

1 Jog/Purge Switch

Pressing the Jog/Purge switch allows the

operator 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

SECTION 5

OPERATION

SECTION 6 – OPERATION

Ref. 255193-D

activated, the unit will perform a jog op-

eration for a maximum of two minutes.

If the gun trigger is still activated after

two minutes, the jog operation is termi-

nated to prevent complete despooling

of the wire, in the case of a damaged

gun.

� The unit displays the "TRIG ERR" mes-

sage to inform the operator that the trig-

ger is activated.

OPERATION

Power Switch

Ref. 255193-D

Jog/Purge Switch

Ref. 255193-D

OM-273244 Page 17

Power Switch

1 Power Switch

Jog/Purge Switch

� Jog speed can be adjusted by the Ad-

just control when the unit is jogging

wire. The unit displays jog speed when

the unit is being jogged.

� Jogging can also be accomplished by

pressing the Jog/Purge button.

� Pressing the Jog/Purge button also al-

lows the operator to purge gas lines be-

fore welding and to preset gas pressure

at the regulator.

OM-273244 Page 17

OM-289404 Page 17