SECTION 5 − OPERATION

5-1. Controls

50 60

1

2

3

4070

80

5

8

6

4

7

10

9

Rear of

Unit

1Gas/Air Pressure Gauge

2Gas/Air Pressure Adjustment Knob

3Output Control

Use control to set cutting output.

Gas/air automatically flows at the set pressure.

Use Gas/Air Set area of control range for set- ting gas/air pressure (see Section 5-2).

4 Trouble Lights (see Section 6-2)

Power light comes On when Power switch is placed in On position.

5Power Light

6Ready Light

Ready light comes On when unit is On to indi- cate that all safety shutdown systems are okay. If Ready light does not come On, check trouble lights.

7 Trigger Hold Switch

To cut without holding torch trigger, set trigger hold switch so upper end is pressed In. Press

the torch trigger, begin cutting, and release the trigger. To stop cutting, press and release trigger.

When set in down position, trigger must be held closed while cutting.

8Torch Quick-Disconnect Connector

9Power Switch

10Door for Consumables Storage

Ref. 202 359 / Ref. 802 803-A

OM-202 515 Page 17

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Miller Electric UPC 838 manual Operation, Controls, 4070