Lincoln Electric WIRE-MATIC 255 SVM 119-A Service Manual page 79

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CONTROL PC BOARD REMOVAL AND REPLACEMENT (CONTINUED)
REMOVAL AND REPLACE-
MENT PROCEDURE
1. Disconnect main input power the
machine.
2. Remove the Case Top and Side
Panels using 5/16" nut driver.
3. Disconnect all wiring harness plugs
and Molex Plugs connected to the
Control Board. See Figure F.9.
J1
J7 J2
J10
FIGURE F.9 - Wiring Harness and
Molex Plug Locations.
TROUBLESHOOTING & REPAIR
J3
J9
J6
J5
J4
WIRE-MATIC 255
4. Carefully remove the P.C. Board
from the mounting standoffs. See
Figure F.10.
FIGURE F.10 - Control Board
Mounting Locations may vary
with different Code Machines.
5. Lift the Control Board straight up
and out from the machine.
6. When re-installing the Control
Board carefully secure Board to
mounting standoffs.
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