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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
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
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