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OM-227 398 Page 8
4-3. Millermatic 350P Water Cooled Gun Connections
Ref. 804 945-A
. Turn on coolant supply before welding
or gun will be damaged.
1 Coolant Supply
2 Millermatic 350P
3 Gun Control Cable
Insert plug into gun control receptacle and
tighten threaded collar.
4 Water In Hose
Connect to coolant supply with supplied
coupler and water hose (left-hand threads).
5 Gun Connector
Loosen gun securing knob, and insert gun
connector through Wire opening until it
bottoms against block. Tighten knob. Close
and latch door.
6 Water Out Hose
Connect to coolant supply with supplied
coupler and water hose (left-hand threads).
7 Coolant “In”
8 Coolant “Out”
Tools Needed:
5
9/16 in
6
4
3
1
2
8
7