F-28

TROUBLESHOOTING & REPAIR

F-28

 

 

CONTROL PC BOARD REMOVAL AND REPLACEMENT (CONTINUED)

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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.

4.Carefully remove the P.C. Board from the mounting standoffs. See Figure F.10.

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255 CONTROL

 

G2803

 

WM-

 

J1

J7

 

J10

J2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J3

J9

J6

J4J5

FIGURE F.10 - Control Board Mounting Locations may vary with different Code Machines.

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5. Lift the Control Board straight up

FIGURE F.9 - Wiring Harness and and out from the machine.

Molex Plug Locations.

6. When re-installing the Control Board carefully secure Board to mounting standoffs.

WIRE-MATIC 255

Page 79
Image 79
Lincoln Electric SVM 119-A service manual Removal and REPLACE- Ment Procedure