Lincoln Electric IM408 MAGNUM SG SPOOL GUN - Manual (Page 16)

8. P u s h w i r e u n t i l w i r e e n d e x t e n d s
approximately 6" (150 mm) past end of gas
diffuser. Re-engage idle roll pressure by
pushing release lever down.
9. Screw on spool brake tension nut and adjust
for slight wire spool braking action.
5. 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
Part B, “Drive Roll Groove Selection”, for
details.
6. Put wire spool on shaft and route wire into
plastic tube.
7. Push wire until end of wire exits back tube
and enters front tube.
9
FITTING THE ELECTRODE WIRE
• Replace the spool brake assembly.
Note: The spool brake assembly must bottom
out against the spool hub nut when
installed.The spring in the spool brake
assembly provides the proper tension on the
wire spool.
SPOOL BRAKE ADJUSTMENT
The specifications for the 4 inch spool allow a
variation in the width of the spool of up to 1/16
inch ( + 1/32 inch tolerance). The spool brake
spring will handle most spool width variations.
The following adjustments can be made if
required.
If the spool brake is not applying enough ten-
sion on the spool:
• Remove the spool brake assembly and the
spool of wire.
• Remove the spool hub nut and the lock
washer.
• Remove shim washer(s) as needed.
• Remove the spool hub bolt and place the
removed shim washers under the bolt
head.
• Reassemble all components except for the
spool cover.
HAND NUT
BRAKE SPRING
BRASS WASHER
SPOOL WASHER (NYLON)
SNAP RING