Hobart Welding Products H-9A Gun - Manual (Page 11)

OM-952 Page 7
SECTION 5 − MAINTENANCE & TROUBLESHOOTING
5-1. Replacing Gun Contact Tip
Ref. 803 496-B
Y Turn off welding power source.
1
Nozzle
Remove nozzle.
2
Contact Tip
3 Tip Adapter
Cut off welding wire at contact tip.
Remove contact tip from tip adapter,
and install new contact tip. Reinstall
nozzle.
Tools Needed:
1
2
3
5-2. Cleaning Gun Liner
803 496-B / 803 838-A
Y Turn off welding power source.
1
Nozzle
2 Contact Tip
3 Adapter
Head
Tube
Tools Needed:
8 mm
Lay gun cable out straight,
and blow out liner.
Remove nozzle. Cut off wire
at contact tip, and remove
contact tip and tip adapter.
8 mm
.
Thread wire according to
Section 3-4.
Reassemble drive cover
and gun in reverse order
from taking it apart.
1
2
3
Open pressure assembly. Retract
wire from liner onto spool.
.
Hold wire tightly to keep it
from unraveling. Secure
end of wire at spool.
Remove screws (3) from
cover, and remove cover
from wire drive assembly.