Lincoln Electric AUTODRIVE 4R90 - Manual (Page 22)

D-1 MAINTENANCE D-1
AutoDrive 4R90
ELECTRIC SHOCK can kill.
• Turn the input power OFF at the
welding power source before
installation or changing drive
rolls and/or guides.
• Do not touch electrically live
parts.
• When inching with the gun trigger, electrode
and drive mechanism are "hot" to work and
ground and could remain energized several
seconds after the gun trigger is released.
• Do not operate with covers, panels or guards
removed or open.
• Only qualified personnel should perform main-
tenance work.
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WARNING
SAFETY PRECAUTIONS
ROUTINE MAINTENANCE
To remove the AutoDrive 4R90 for servicing:
(See Figure D.1)
1. Turn off power to the welding power supply and the
entire weld cell.
2. Loosen the thumb screw that secures the torch to
the feed plate.
3. Use a 3/4” (19mm) wrench to remove the electrode
cable from the feed plate.
4. Remove the screw from the bottom rear of the
feeder.
5. Slide the feeder back in the bracket and remove.
6. When reassembling the feeder in the mounting
bracket, make sure all of the studs fully are fully
engaged in the slots. (See Figure D.2)
PERIODIC MAINTENANCE
CALIBRATION SPECIFICATION
FIGURE D.1
FIGURE D.2