OM-154 501 Page 17
5-6. Replacing Gun Contact Tip
Ref. ST-801 978
Y
Turn Off power before
replacing contact tip.
1
Nozzle
2
Contact Tip
Cut off welding wire at contact tip.
Remove nozzle.
Remove contact tip and install new
contact tip. Reinstall nozzle.
1
2
Tools Needed:
5-7. Gun Maintenance
Y
Disconnect gun first.
Tools Needed:
3/8 in
3/8 in
Head Tube
3/8 in
Remove nozzle,
contact tip, and
liner collet.
Blow out
gun casing.
Gun/Feeder
Connector
Remove liner.
To Reassemble Gun:
Install contact tip.
Insert new liner.
Install collet onto liner and tighten into gun/
feeder connector using wrench.
Cut liner off near collet so that liner end is
as close to drive rolls as possible without
touching.
Install nozzle.
Reinstall gun (see Section 3-4). Thread
welding wire (see Section 3-9). Close door.
