Installing Gas Supply; Connecting 120 Volt Input Power - Hobart Welding Products Handler 125 Owner's Manual

5-6. Installing Gas Supply

Tools Needed:
11/16, 1-1/8 in.
Obtain gas cylinder and chain to running
gear, wall, or other stationary support so
cylinder cannot fall and break off valve.
1 Cap
2 Cylinder Valve
Remove cap, stand to side of valve, and
open valve slightly. Gas flow blows dust and
dirt from valve. Close valve.
3 Cylinder
4 Regulator/Flowmeter

5-7. Connecting 120 Volt Input Power

OM-283007 Page 14
6
Install regulator/flowmeter to cylinder valve.
Be sure that gauge face is vertical for
viewing and adjusting.
5 Regulator/Flowmeter Gas Hose
Connection
6 Welding Power Source Gas Hose
Connection
Connect gas hose
regulator/flowmeter gas hose connection,
and fitting on rear of welding power source.
2
4
7
5
Shielding Gas
7 Flow Adjust
Turn flow adjust screw to increase or
decrease gas flow. Flow rate should be set
when gas is flowing through welding power
source and welding gun. Turn Range switch
to Purge or Fan Only position. Press gun
trigger to start gas flow. Typical flow rate is
between
20 cfh (cubic feet per hour). Check wire
manufacturer's recommended flow rate.
!
Installation must meet all
National and Local Codes −
have only qualified persons
make this installation.
!
Special installation may be
required where gasoline or
volatile liquids are present −
see NEC Article 511 or CEC
Section 20.
For 120 volts AC input power, a 20
ampere individual circuit protected
by time-delay fuses or circuit
breaker is required.
1 Plug From Unit
2 Receptacle − NEMA Type
5−15R (Customer Supplied)
Select extension cord of 12 AWG
1
for up to 50 ft (15 m) or 10 AWG for
50 up to 100 ft (30 m).
1
2
3
802028 / Ref. 803379-A
Input6 2011−03 / Ref. 161062