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Master TOC

F-42

TROUBLESHOOTING & REPAIR

F-42

WIRE DRIVE ASSEMBLY REMOVAL AND REPLACEMENT (continued)

FIGURE F.12 — WIRE DRIVE ASSEMBLY REMOVAL FOR CODES 10563 & 10583 REFER TO P344-F.2

FOR EXPLODED VIEW OF WIRE DRIVE FOR CODES 10986 AND 10990 - SIMILAR PROCEDURE

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17

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1.Wire Drive Assembly

2.Motor/Gearbox Assembly

3.Flange Nut

4.Positive Lead

5.Hose Clamp

6.Flex Hose

7.Outer Guide Assembly

8.Thumb Screw

9.Adjustment Arm Assembly

10.Idle Arm

11.Round Head Screw

12.Lock Washer

13.Flat Washer

14.Molded Drive Roll Shaft Assembly

15.Pan Head Screw

16.Lock Washer

17.Hex Head Cap Screw

18.Lock Washer

19.Flat Washer

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4

3

7

10

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8

5

 

15

 

 

 

6

13

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PROCEDURE

1.Disconnect main input power to the machine.

2.Remove the wire gun and wire.

3.Lift the wire drive door to gain access to the wire drive assembly.

4.Lift the tool tray door to allow access to the tool tray.

5.Use a 5/16 in. nutdriver and remove the tool tray to gain access to the motor/gearbox assembly.

6.Disconnect the wire connectors J13 and J12 to the motor/gearbox assem- bly. See Wiring Diagram.

7.Use a 3/4 in. wrench and remove the flange nut and positive lead from the wire drive assembly. See Figure F.12.

8.Use pliers to remove the hose clamp and flex hose from the wire drive assembly.

9.Remove the outer guide assembly from the wire drive assembly by loosening the thumb screws until the outer guide can be removed.

POWER MIG 255

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Lincoln Electric SVM144-B service manual Wire Drive Assembly Removal and Replacement, Procedure