Idle Roll Assembly Replacement; Gun Tube Assembly Replacement - Lincoln Electric MAGNUM 100SG Manual Del Operacion

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6. Drive roll may be removed with pliers, as shown in
figure D.6. It may be helpful to relieve the idle roll ten-
sion during this step.
FIGURE D.6
7. Clean the drive roll's groove or obtain a new replace-
ment drive roll (if needed).
8. Install the drive roll by reversing the above steps 1
thru 7. Either side of the drive roll may be face-up.

IDLE ROLL ASSEMBLY REPLACEMENT

1. Replace if it is degraded from use; for example, it is
becoming galled with aluminum deposits.
2. Remove drive roll. (See Maintenance Section)
3. Remove both idle roll assembly retaining screws
and washers.(See figure D.7)
FIGURE D.7
4. Using Needle nose pliers, slowly pull the idle roll
assembly out of the wire drive by equally working
both sides of the tabbed idle roll spring.
5. Insert the new idle roll assembly into the wire drive
with the correct orientation, (See figures D.8 and
D.9).
MAINTENANCE
Correct orientation. Note that lower spring is not visi-
ble in bore of idle roll bearing at arrow.
Incorrect orientation. Note that lower spring is visible
in bore of idle roll bearing at arrow.
Idle Roll
Tension
6. Using Needle nose pliers, push the new idle roll
assembly into the wire drive until it is fully seated.
7. Reinstall the retaining screws and washers. Do not
use the screws to draw the idle roll into place.
Reinstall the drive roll and wire into the wire drive.

GUN TUBE ASSEMBLY REPLACEMENT

1. Replace if it is degraded from use; for example, its
insulating tube is breaking down.
2. Remove liner assembly. (See Maintenance Section)
3. Remove left side of handle. Loosen gun tube nut
Retaining screws
and washers
with wrench. Nut has right-hand threads. Use
adjustable pliers on gun tube mounting plate to pre-
vent cable assembly from rotating in gun handle.
(See figure D.10)
MAGNUM 100SG SPOOL GUN
FIGURE D.8
RIGHT
FIGURE D.9
WRONG
FIGURE D.10
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