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F-32

TROUBLESHOOTING & REPAIR

F-32

CONTROL BOARD REMOVAL AND REPLACEMENT (continued)

FIGURE F.13 - CONTROL BOARD LOCATION

Control

Board

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PO

 

 

 

ON

WER

 

 

 

GAS

PRESSURE

 

 

 

 

TH

 

 

 

 

 

 

 

 

ERMAL

 

OFF

PURGE

SAFETY

 

!

LIN

C

 

 

 

E

 

 

 

LE OL

 

 

 

 

CT N

 

 

 

 

RIC

 

 

 

 

 

PRO-

 

 

 

 

CUT

25

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PROCEDURE

1.Remove input power to the PRO-CUT 25 machine.

2.Remove carrying handle using a 4mm allen wrench.

3.Using a crescent wrench, carefully remove the plastic nut from around the pressure regulator located on the top of the machine.

4.Using a 7mm nut driver, remove the case wrap- around.

5.Perform Capacitor Discharge Procedure.

6.Using a very small flathead screwdriver or a thin knife blade, carefully remove the red plastic cap from the front of the plastic OUTPUT knob located on the front of the machine. See Figure F14.

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FIGURE F.14 - SMALL RED CAP REMOVAL

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Small Red

Cap

POWER

 

ON

GAS PR

 

 

 

ESSURE

T

 

 

 

HERMAL

 

OFF

PURGE

SAFETY

 

!

LIN

C

 

 

E

 

 

LE OL

 

 

 

CT N

 

 

 

RIC

 

 

 

 

PRO-

 

 

 

CUT

25

 

 

 

PRO-CUT 25

Page 66
Image 66
Lincoln Electric SVM149-A service manual Small Red Cap