Lincoln Electric MAGNUM PRO 400A Series Operator's Manual page 13

MAGNUM ® PRO WATER-COOLED 400A & 500A GUNS
proceDure to chanGe the GoosenecK 400a
anD 500a Guns
WARNING
ELECTRIC SHOCK can kill.
• Disconnect the gun from feeder
• Do not stand in water puddles
Tools Needed:
• Philips head screwdriver
• Crimping Clamps
• 10mm wrench
1. Unplug the gun from the feeder, and remove the gun liner.
Completely drain the water hoses.
2. Take out the two Phillips head screws and remove the collar
from handles.
FIGURE C.1
3. Remove just one side of the handle to leave the connector
uncovered.
FIGURE C.2
4. Cut hose clamps from hoses, use cutting pliers and
disconnect them from the connector block. The blue and
black hoses carry water through the torch.
5. With a 10 mm wrench, unscrew the large black threaded
connection from the copper tubing attached to the connector
block.
Transparent
Tube
Collar
6. Unscrew the brass Hex tubing (which is connected to the
transparent tube) with a 10 mm wrench from the connector
block.
7. Slide on unclamped hose clamps to the blue and black hoses.
The clamps are included with the gooseneck.
8. Screw in the brass hex fitting attached to the transparent tube
into the new gooseneck and connector block.
9. Screw the large black threaded connection to the copper
tubing of the new gooseneck and connector block.
C-2
ACCESSORIES
FIGURE C.3
FIGURE C.4
Black