Hobart Welding Products OM-279 Connecting Gas/Air Supply, Installing And Connecting Work Clamp

2-6. Connecting Gas/Air Supply

Use only clean and dry gas/air with 70 to 150 psi

1 Unit Gas Fitting (Female 1/4

(483 to 1034 kPa) pressure.

NPT)

	2	Quick Connect Gas Fitting
1	3	Standard Gas Fitting
	Obtain and install desired fitting.
	4	Hose
2	Obtain suitable hose according to
	installed fitting, and connect to fit-
	ting. Route hose to gas/air supply.
	Adjust gas/air pressure according
	to Section 3-2.
3	Y Incorrect plasma gas can
4	From Gas/Air Supply	cause torch and power
		source damage. Use only air
		or nitrogen for the plasma
		gas.

Ref. ST-801 455

2-7. Installing And Connecting Work Clamp

3

2

1

1Work Cable From Unit

2Ring Terminal

3Screw

4Work Clamp Handle

Connect ring terminal end of cable to handle using screw.

Connect work clamp to a clean, paint-free location on workpiece, as close to cutting area as possible.

4

Tools Needed:

						ST-800 958
2-8. Electrical Service Guide
	Single-Phase Models			Three-Phase Models
Input Voltage	200	230	460	230	460		575
Input Amperes At Rated Output	42.3	36.8	18.4	18.4	9.2		7.4
Max Recommended Standard Fuse Or Circuit Breaker Rating In	60	60	30	30	15		10
Amperes
Min Input Conductor Size In AWG/Kcmil	8	10	14	14	14		14
Max Recommended Input Conductor Length	110 (33)	97 (29)	153 (47)	66 (20)	266 (81)		415
In Feet (Meters)							(127)
Min Grounding Conductor Size In AWG/Kcmil	10	10	14	14	14		14
Reference: 1993 National Electrical Code (NEC)							S-0092-J

OM-279 Page 11