.A complete Parts List is available at www.MillerWelds.com

4-2. Duty Cycle And Overheating

For Units Connected to a 208 Volt Circuit or a 230 Volt Circuit:

50% Duty Cycle At 40 amperes, 140 volts DC

50%dutycycle

5 Minutes Cutting

5 Minutes Resting

Duty Cycle is percentage of 10 min- utes that unit can cut at rated load without overheating.

If unit overheats, thermostat(s) opens, output stops, Temperature trouble light goes On, and cooling fan runs. Wait fifteen minutes for unit to cool or temperature light to go off. Reduce amperage or duty cycle before cutting or gouging.

NOTICE Exceeding duty cycle can damage unit and void warranty.

Overheating

A

0

 

 

15

 

OR

Minutes

Reduce Duty Cycle

sduty1 5/95 / Ref. 244 405-A

4-3. Power Source Dimensions And Weight

8-1/4 in.

(210 mm)

Dimensions And Weight

31.4 lb (14.2 kg)

including torch11-1/4 in. (286 mm)

14-1/4 in.

(362 mm)

loc_2 3/96 - Ref. 244 405-A

4-4. Torch Dimensions And Weight

8-3/8 in.

(213 mm)

1 in.

(25 mm)

 

1-3/8 in.

 

3.0 lb (1.4 kg)

(35 mm)

Ref. 801 397-A

OM-244 013 Page 12

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Hobart Welding Products HP-70 Duty Cycle And Overheating, Power Source Dimensions And Weight, Torch Dimensions And Weight