Hobart OM-1581 manual Changing Gun Contact Tip And Liner

5-6. Changing Gun Contact Tip And Liner

2

1

3

4

Turn Off wire feeder and welding power source.

Remove top cover and open pres- sure roll assembly as shown in Section 5-4.

1 Contact Tip Wrench

Insert wrench into nozzle over contact tip.

2 Compression Nut

Loosen nut. Pull out contact tip.

3Contact Tip

4Nozzle

Pull wire out nozzle and liner should slide out. If necessary, tilt nozzle down to remove liner.

Close pressure roll assembly. Reinstall top cover.

Install new liner and contact tip over wire. Cut off wire at end of contact tip.

Tighten nut just until contact tip is secure. Overtightening nut will damage adapter.

Tools Needed:

150 437

5-7. Removing Contact Tip Adapter In Air-Cooled Models

8

7

6

5

4

3

2

1

Tools Needed:

5/64, 3/32 in

Turn Off wire feeder and welding power source.

1 Nozzle Extension

Remove as shown.

2Contact Tip

3Compression Nut

To remove, see Section 5-6.

4Liner

5Contact Tip Adapter

6Washer

7Extension Adapter

8Setscrew

Loosen setscrew and remove adapter. Install new adapter and tighten setscrew. Reinstall liner, contact tip, compression nut, and nozzle.

150 430-B

OM-1581 Page 33