SECTION 5 − INSTALLATION

5-1. Installing Nozzle, Contact Tip, And Adapter

 

 

!

Turn

off

welding

power

2

 

 

source.

 

 

3

1

Nozzle

 

 

 

 

 

 

 

 

Head

2

Contact Tip

 

 

 

 

 

 

 

 

1

Tube

3

Tip Adapter

 

 

 

. Wire size stamped on tip − check

 

 

 

 

 

and match wire size.

 

8 mm

 

 

 

 

 

 

Tools Needed:

 

 

 

 

 

 

8 mm

 

 

 

 

 

 

 

 

 

 

 

 

246 669-A

5-2. Installing Welding Gun

4

2

3

1

.Be sure that gun end is tight against drive assembly.

3

3

1Drive Assembly

2Gun Securing Thumbscrew

3Gun End

Loosen thumbscrew. Insert end through opening until it bottoms against drive assembly. Tighten thumbscrew.

Welding gun must be inserted completely to prevent leakage of shielding gas.

4 Gun Trigger Leads

Insert leads, one at a time, through gun opening on front panel. Connect female friction terminals to matching male terminals in unit. Polarity is not important.

Close door.

 

Exposed O-rings

 

Incorrect

will cause shielding

Correct

gas leakage.

Gun Not Seated

 

Gun Fully Seated

804 621-A

OM-228 187 Page 13

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Hobart Welding Products 187 manual Installation, Installing Nozzle, Contact Tip, And Adapter, Installing Welding Gun