Removing and Installing the G3503 Cooler | Lincoln Electric IM645-A

l.Attach Power Wave machine label from retrofit kit to its case back.

m.Stamp or etch "B" as the suffix of Power Wave’s code number located on its rating plate. Include this suffix for all future parts orders.

n.Install gas cylinder(s) onto tray.

5.Select a recommended coolant and fill cooler to specified level (see Figure 1).

6.Attach desired water-cooled accessory (gun and wire feeder or TIG torch) to cooler’s QDs.

7.Reconnect service input power to the Power Wave:

•Verify that the reconnect panel setting and lead placement match the service voltage.

8.Prime the cooler:

a.Install the Set-up overlay.

b.Keep accessories’ hose lengths horizontal, either coiled or straight, and no higher than 4 feet of the specified coolant level (Fig. 1).

c.Switch on the Power Wave machine.

d.Press the "WATER COOLER ENABLE" button so that the "WATER COOLER ENABLED" light is illuminated.

e.Press the "PRIME WATER COOLER" button until the "WATER COOLER PRESSURE" light is steadily illuminated.

9.Check coolant level. Add more if required.

REMOVING AND INSTALLING THE G3503-[ ]

COOLER

1.Preparation:

•Always switch off the Power Wave machine power.

•Always disconnect the Power Wave machine from service input power.

2.Remove cooler assembly G3503-[ ]:

a.remove gas cylinder(s) from tray.

b.remove cooler access panel.

c.Remove both fasteners from base that hold cooler and mounting brackets (if equipped) in place. Remove ground lead, if present. Carefully pull cooler assembly rearward, until cooler’s Molex connectors are visible.

d.disconnect cooler’s connectors from the P3 and P4 harnesses. Continue pulling the cooler out of the Power Wave.

3.If necessary, perform periodic maintenance or ser- vice on the cooler.

4.Reinstall cooler by reversing tasks in step 2. Be sure to reattach ground lead, if previously removed.

5.If necessary, fill cooler with selected coolant to specified level (see Fig. 1).

6.Attach desired water-cooled accessory (gun and wire feeder or TIG torch) to cooler’s QDs.

7.Reconnect service input power to the Power Wave:

•verify that the reconnect panel setting and lead placement match the service voltage.

8.Prime the cooler:

a.Install the Set-up overlay.

b.Keep accessories’ hose lengths horizontal, either coiled or straight, and no higher than 4 feet of the specified coolant level (Fig. 1).

c.Switch on the Power Wave machine.

d.Press the "WATER COOLER ENABLE" button so that the "WATER COOLER ENABLED" light is illuminated .

e.Press the "PRIME WATER COOLER" button until the "WATER COOLER PRESSURE" light is steadily illuminated.

9.Check coolant level. Add more if required.

G3503-[ ] POWER WAVE 450 WATER COOLER UPGRADE KIT

IM645-A specifications

The Lincoln Electric IM645-A is a highly regarded multi-process welding machine, designed to meet the needs of both professional welders and serious DIY enthusiasts. It seamlessly integrates multiple functionalities, allowing users to perform MIG, TIG, Stick, and flux-cored welding. This versatility makes it an essential tool in various applications, from metal fabrication to repairs and maintenance tasks.

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The IM645-A supports advanced technologies such as Synergic Control, which automatically adjusts the welding parameters based on the chosen wire diameter and material type. This feature simplifies the setup process, allowing users to focus on the quality of their work rather than struggling with settings.

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In conclusion, the Lincoln Electric IM645-A stands out in the market for its multi-process capabilities, advanced inverter technology, user-friendly interface, durable construction, and safety features. Whether you're a seasoned professional or a hobbyist, this welding machine provides an excellent balance of performance, versatility, and reliability, making it a valuable addition to any workshop.