Installing Welding Gun; Process/Polarity Table; Changing Polarity - Hobart 210 MVP Owner's Manual

5-4. Installing Welding Gun

Spool Gun
É É É É
É É
6
MIG Gun
.
Be sure that gun end is tight against drive assembly.
Incorrect
Gun Not Seated
will cause shielding

5-5. Process/Polarity Table

Process
GMAW − Solid wire with shielding gas DCEP − Reverse polarity
FCAW − Self-shielding wire − no
shielding gas

5-6. Changing Polarity

CHANGING
POLARITY
Electrode negative
for flux cored wire
1
Electrode positive
for solid wire
.
A complete Parts List is available at www.HobartWelders.com
1
3
3
Exposed O-rings
Gun Fully Seated
gas leakage.
Polarity
DCEN − Straight Polarity
DCEN
DCEP
2
5
2
4
3
Correct
Cable Connections
Cable To Gun
Connect to positive (+) output
terminal
Connect to negative (−) output
terminal
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 Leads
Insert plug into receptacle, and
tighten threaded collar.
6 Spool Gun/MIG Gun Switch
Place switch in MIG Gun position.
Close door.
260 458-A
Cable To Work
Connect to negative (−) output terminal
Connect to positive (+) output terminal
! Turn off welding power
source.
1 Lead Connections For Direct
Current Electrode Negative
(DCEN)
2 Lead Connections For Direct
Current Electrode Positive
(DCEP)
Always read and follow wire
manufacturer's recommended
polarity, and see Section 5-5.
Close door.
260 459-A
OM-260 274 Page 15