Idle Roll Assembly Replacement; Gun Tube Assembly Replacement - Lincoln Electric Magnum PRO100SG Manual Del Operador

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MAGNUM PRO 100SG
4. Drive roll may be removed with pliers, as shown in figure D.6.
It may be helpful to relieve the idle roll tension during this
FIGURE D.6
step.
5. Clean the drive roll's groove or obtain a new replacement
drive roll (if needed).
6. 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

Replace if it is degraded from use; for example, it is becoming
galled with aluminum deposits.
1. Remove drive roll. (See Maintenance Section)
2. Remove both idle roll assembly retaining screws and
washers.(See figure D.7)
FIGURE D.7
Retaining Screws
and Washers
3. 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.
4. Insert the new idle roll assembly into the wire drive with the
correct orientation, (See figures D.8 and D.9).
Correct orientation. Note that lower spring is not visible in bore
FIGURE D.8
of idle roll bearing at arrow.
Correct
Incorrect orientation. Note that lower spring is visible in bore of
FIGURE D.9
idle roll bearing at arrow.
Incorrect
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

Replace if it is degraded from use; for example, its insulating tube
is breaking down.
1. Remove liner assembly. (See Maintenance Section)
2. Remove left side of handle. Loosen gun tube nut with wrench.
Nut has right-hand threads. Use adjustable pliers on gun tube
mounting plate to prevent cable assembly from rotating in gun
FIGURE D.10
handle. (See figure D.10)
D-3
MAINTENANCE

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K4360-1

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