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F-46

TROUBLESHOOTING & REPAIR

F-46

 

 

 

INPUT CONTACTOR CLEANING AND/OR REPLACEMENT (Continued)

FIGURE F.19. INPUT CONTACTOR (top view)

T3 W

T2 V

T1

U

TOP VIEW

REMOVAL PROCEDURE

8. For contactor cleaning or inspection see

 

Figure F.21.

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1.Disconnect input power to the machine.

2.Remove case sides and roof using a 3/8” nut driver.

3.Label leads T1, T2, T3, U, V, W and their respective terminals. See Figure F.19.

4.Using a 11/16” nut driver, remove the six leads connected to the input contactor.

5.Using a 7/16” nut driver, remove the four bolts mounting the input contactor to the frame of the machine. Note washer posi- tions for replacement. See Figure F.20.

6.Disconnect leads 240 and 241 using quick connects located in loom.

7.Carefully lift input contactor out of machine.

REPLACEMENT PROCEDURE

1.Mount input contactor to machine frame using the four bolts, washers, and nuts previously removed.

2.Reconnect leads #240 and #241.

3.Reconnect leads T1, T2, T3, U, V, W previ- ously removed.

4.Replace case sides and roof previously removed.

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FIGURE F.20. 7/16” MOUNTING BOLTS

Mounting Bolts

L E F T S I D E

MULTI-SOURCE

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Lincoln Electric SVM155-A service manual Removal Procedure

SVM155-A specifications

The Lincoln Electric SVM155-A is a state-of-the-art welding machine that excels in versatility and performance, making it ideal for both professional welders and hobbyists. This multi-process welder supports MIG, TIG, and stick welding processes, allowing users to tackle a wide range of applications with a single device. Its user-friendly design and advanced technology make it an exceptional choice for those looking to enhance their welding capabilities.

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