1. replacing gun contact tip, 2. cleaning gun liner – Hobart Welding Products OM-948 User Manual

Page 11

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OM-948 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 / 803 497-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.

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