Hobart Welding Products OM-1594 manual Water-Cooled Feeder Connections

4-4. Water-Cooled Feeder Connections

2	4	5	7
Rear Panel
	2		5

Connect To 14-Socket
Receptacle On Welding	6	Top View
Power Source

1

3

Connect To Positive (+) Weld Output Terminal On Welding Power Source

Application	GTAW Or Where	GMAW Or Where Coolant
		Contacts Aluminum Parts Or
	HF* Is Used
		Where HF* Not Used
	MILLER Low	MILLER Aluminum Protecting
		Coolant No. 043 809**;
	Conductivity Coolant
		Distilled Or Deionized Water OK
	No. 043 810**
		Above 32° F (0° C)

Coolant

*HF: High Frequency Current

**MILLER coolants protect to -37°F (-38°C) and resist algae growth.

Obtain coolant supply.

1 Gas Fitting

Route one end of 10 ft (3 m) gas hose to rear of unit, and connect hose to gas solenoid fitting. Connect remaining end of hose to regulator/flowmeter.

2Weld Cable To Welding Power Source

Select and prepare weld cable according to welding power source manual.

3Weld Cable Grommet

4Current Sensing (Reed) Relay

5Weld Cable Terminal In Feeder

Route one end of weld cable through grommet, through reed relay, and connect to weld cable ter- minal in feeder. Connect remaining end of cable to positive (+) weld output terminal on welding power source.

6Coolant Hose Grommet

7Location Of Coolant Fittings On Front Panel

Route one end of a coolant hose through grommet, and connect to rear of Coolant Out fitting in feeder. Connect remaining end to supply fitting on coolant supply.

Route one end of remaining coolant hose through grommet, and con- nect to rear of Coolant In fitting in feeder. Connect remaining end of hose to return fitting on coolant supply.

Close and latch door.

Tools Needed:

9/16 in

Ref. 152 431-A / Ref. 801 578-A

OM-1594 Page 16