Lincoln Electric MAGNUM IM887 Operator's Manual page 12

MAGNUM 250 LX - OPERATING INSTRUCTIONS
4. Select wire of size and type needed. Wire must be straight, with
no kinks or bends. Check drive roller for the correct groove
positioning for the size wire selected. See "Drive Roll Groove
Selection", for details.
5. Put wire spool on shaft. After spool wire is in place, make sure the
Spool Brake Lever is riding on outer flange of wire spool and, the
Roller Arm is underneath of spool riding on wire.
CORRECT
INCORRECT
6. Unspool and straighten about 6 inches of wire, then route into
plastic tube.
WIRE SPOOL
7. Push wire until end of wire exits back tube and enters front tube,
passing between drive roll & pressure idler roll.
SPOOL BRAKE
LEVER
ROLLER ARM
ROLLER ARM
SPOOL BRAKE
LEVER
PLASTIC
TUBE
PRESSURE
LEVER
FRONT
TUBE
8. Push wire until wire end extends approximately 6" (150 mm)
past end of gas diffuser. Re-engage idle roll pressure by pushing
release lever down as shown above, then close lid.
9. Screw spool cover knob onto spool gun cover (making sure all
keyways line up).
SPOOL COVER
KNOB
SPOOL COVER
10. Obtain contact tip size to match wire selected. Slip contact tip
over wire and screw into diffuser. Tighten securely.
CONTACT TIP
GAS NOZZLE
11. Cut off wire close to contact tip, then screw gas nozzle over the
diffuser
6
DRIVE ROLL BACK TUBE
LID
DIFFUSER
PRESSURE
IDLER
ROLL