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Section 5 − maintenance & troubleshooting, 1. replacing gun contact tip, 2. cleaning gun liner – Hobart Welding Products H-9B Gun User Manual

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OM-225 333 Page 8

SECTION 5 − MAINTENANCE & TROUBLESHOOTING

5-1. Replacing Gun Contact Tip

Ref. 804 241-A

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

804 241-A / 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.

.

Thread wire according to
Section 3-5
.

Reassemble drive cover

and gun in reverse order

from taking it apart.

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.

8 mm

1

2

3