SECTION 2 − SAFETY INFORMATION

Read all safety messages throughout this manual.

Obey all safety messages to avoid injury.

Learn the meaning of WARNING and CAUTION.

1 2

WARNING

ELECTRIC SHOCK can kill.

Do not touch live electrical parts.

Disconnect input power before installing or servicing.

5

3

4

2

CAUTION

MOVING PARTS can injure.

Keep away from moving parts.

Keep all panels and covers closed

when operating.

1Safety Alert Symbol

2Signal Word

WARNING means possible death or serious injury can happen.

CAUTION means possible minor injury or equipment damage can happen.

3

Statement Of Hazard And

 

Result

4

Safety Instructions To Avoid

 

Hazard

6

WARNING

READ SAFETY BLOCKS at start of

 

Section 3-1 before proceeding.

7

NOTE

Turn Off switch when using high frequency.

5

Hazard Symbol (If Available)

6

Safety Banner

Read safety blocks for each symbol shown.

7 NOTE

Special instructions for best operation − not related to safety.

SECTION 3 − INSTALLATION

3-1. Specifications

803 836-A

Air-Cooled Welding Gun For FCAW And GMAW Welding

Note: Using gasless flux cored wire reduces gun duty cycle.

H-9 Feeds .030 − .035 in (0.8 − 0.9 mm) Flux Cored Wire Or .023 − .030 in (0.6 − 0.8 mm) Hard Wire Duty Cycle Rating:

100%: 40 A With Flux Cored Wire

100%: 100 A With CO2 Shielding Gas

60%: 100 A With Mixed Gases

Weight With 8 ft (2.4 m) Power Cable: 2.2 lb (1.0 kg)

3-2. Duty Cycle And Overheating

See Section 3-1. Specifications for amperage rating and duty cycle.

Duty Cycle is percentage of 10 minutes that unit can weld at rated load without overheating.

Y Exceeding duty cycle can

100%dutycycle60%dutycycledamage unit and void warranty.

Continuous Welding

6 Minutes Welding

4 Minutes Resting

 

 

Overheating

 

A or V

 

0

 

 

15

 

 

OR

 

Minutes

Reduce Duty Cycle

 

 

sduty1 5/95

OM-952 Page 3

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Hobart Welding Products H-9A Gun manual Safety Information, Installation, Specifications, Duty Cycle And Overheating