1. front panel controls – Hobart Welding Products ARCSTAR OM-486 User Manual

Page 22

Advertising
background image

OM-486 Page 18

SECTION 5 – OPERATING WELDING GENERATOR

5-1.

Front Panel Controls

Ref. ST-189 925-A

1

DC Polarity/AC Switch

Y

Do not switch under load.

Use switch to select AC weld output or polar-
ity of DC weld output.

2

Process Select Switch

Y

Do not switch under load.

Use switch to select output for weld process.

3

A/V Control

Use control to select weld voltage or
amperage. Control may be adjusted while
welding.

4

Engine Control Switch

Use switch to start engine, select speed, and
stop engine. In Run/Idle position, engine

runs at idle speed at no load, and weld/power
speed under load. In Run position, engine
runs at weld/power speed.

.

Place switch in Run position to operate
most GMAW equipment.

5

Engine Choke Control

Use control to change engine air-fuel mix.

To Start: pull out choke and turn Engine
Control switch to Start position. Release
switch and slowly push choke in when
engine starts.

.

If the engine does not start, let the
engine come to a complete stop before
attempting restart.

To Stop: turn Engine Control switch to Off
position.

6

Engine Hour Meter

7

Output (Contactor) Switch

Use switch to control remote contactor if
connected to remote 14 receptacle RC1
(see Section 5-2).

Y

Weld output terminals are energized
when Output (Contactor) switch is
On and engine is running.

8

Remote Amperage/Voltage Switch

Use switch to select front panel or remote
amperage/voltage control (see Section 5-2).

4

2

1

8

5

6

3

7

Advertising