OM-245777 Page 17
5-4. Water-Cooled Feeder Connections
Ref. 246 218-C
Obtain coolant supply.
1
Gas Fitting
Connect one end of 10 ft (3 m) gas
hose to rear of unit, gas solenoid fit-
ting. Connect remaining end of
hose to regulator/flowmeter.
.
Shielding gas pressure not to
exceed 100 psi (689 kPa).
2
Weld Cable To Welding Power
Source
Select and prepare weld cable
according to welding power source
manual.
3
Weld Cable Grommet
4
Current Sensing (Reed) Relay
5
Weld 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.
6
Coolant Hose Grommet
7
Location 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.
Tools Needed:
MILLER Aluminum Protecting
Coolant No. 043 809**;
Distilled Or Deionized Water OK
Above 32
F (0
C)
GMAW Or Where Coolant
Contacts Aluminum Parts Or
Where HF* Not Used
Application
*HF: High Frequency Current
**MILLER coolants protect to -37
F (-38
C) and resist algae growth.
Coolant
6
7
9/16 in.
3
2
4
5
1
Rear Panel
Connect To Positive (+)
Weld Output Terminal On
Welding Power Source
Connect To 14-Socket
Receptacle On Welding
Power Source
2
5
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