.
A complete Parts List is available at www.HobartWelders.com
OM-260273 Page 12
5-3. Installing Work Clamp
258 550-B
1
2
3
4
5
6
.
Connection hardware must be tightened with proper tools. Do not just hand
tighten hardware. A loose electrical connection will cause poor weld
performance and excessive heating of the work clamp.
1
Work Clamp
2
Work Cable From Unit
3
Screw
4
Flat Washer
5
Lock Washer
6
Nut
Route work cable through hole in
clamp handle. Secure cable with
hardware as shown.
Tools Needed:
10 mm
5-4. Installing Welding Gun
260 458-A
1
Drive Assembly
2
MIG Gun
3
Gun Securing Thumbscrew
4
Gun End
Loosen thumbscrew. Insert end
through opening until it bottoms
against drive assembly. Tighten
thumbscrew.
Welding gun must be inserted
completely to prevent leakage of
shielding gas.
5
Gun Trigger Plug
Insert plug into receptacle, and
tighten threaded collar.
6
Spool Gun/MIG Gun Switch
Place switch in MIG Gun position.
Close door.
.
Be sure that gun end is tight against drive assembly.
4
Correct Gun
Fully Seated
4
Incorrect Gun
Not Seated
Exposed O-rings
will cause shielding
gas leakage.
Spool Gun
ÉÉ
ÉÉ
ÉÉ
5
MIG Gun
6
1
3
2
4
5-5. Process/Polarity Table
Process
Polarity
Cable Connections
Cable To Gun
Cable To Work
GMAW
−
Solid wire with shielding gas
DCEP
−
Reverse Polarity
Connect to positive (+) output
terminal
Connect to negative (
−
) output terminal
FCAW
−
Self-shielding wire
−
no
shielding gas
DCEN
−
Straight Polarity
Connect to negative (
−
) output
terminal
Connect to positive (+) output terminal
Содержание Handler 190
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