Lincoln Electric SVM151-A service manual Replace the case cover

Models: SVM151-A

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F-35

F-35

 

TROUBLESHOOTING & REPAIR

CASE FRONT ASSEMBLY REMOVAL AND REPLACEMENT (CONTINUED)

FIGURE F.7 – CASE FRONT ASSEMBLY REMOVAL

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PLUG ASSEMBLIES

(3)

BASE SCREWS (2)

 

AMPS

 

ACCESS FROM

 

A

 

BOTTOM

 

 

 

VOL

LINCOLN

 

 

TS

 

V

 

ELECTRIC

 

 

 

 

MULTI-

 

 

 

WELD

350

 

 

 

INPUT

 

 

 

 

CHOPPER

 

 

 

TECHNOLOGY

ORK

ELECTRODE

 

W

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REMOVAL PROCEDURE

1.Set the CC/CV power switch to OFF.

2.Remove input power to the machine.

WARNING

ELECTRIC SHOCK can kill.

Disconnect input power before removing the case cover and performing tests or making repairs to the machine.

3.Perform the Case Cover Assembly Removal procedure.

4.Perform the Power Capacitor Discharge procedure.

5.Label and disconnect the three wiring har- ness plug assemblies that connect to the case front assembly. See Figure F.7 and the Wiring Diagram.

6.Carefully turn the machine onto its side. See Figure F.7 for location.

7.Using the 3/8" nut driver, remove the two screws holding the case front assembly to the machine base. Support the case front assembly as you remove the second screw.

8.Carefully remove the case front assembly and set the machine back upright.

REPLACEMENT PROCEDURE

1.Carefully turn the machine onto its side.

2.Position the case front assembly on the base and attach it with two screws previ- ously removed.

3.Set the machine back upright. Connect the three wiring harness plug assemblies.

4.Replace the case cover.

MULTI-WELD 350

Page 75
Image 75
Lincoln Electric SVM151-A service manual Replace the case cover