Lincoln Electric SVM154-A service manual Wire Drive Motor and Gear BOX Removal and Replacement

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F-38 TROUBLESHOOTING AND REPAIR F-38

WIRE DRIVE MOTOR AND GEAR BOX REMOVAL AND REPLACEMENT (continued)

FIGURE F.9 — WIRE FEED ASSEMBLY REMOVAL.

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MOTOR ARMATURE

LEADS

CAP SCREW

LOCK WASHER

FLATWASHER

TACH

LEADS

3/4 in. NUT

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#67

LINCOLN	GAS HOSE
ELECTRIC	FITTING

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PROCEDURE

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1.Remove input power to the LN-10 unit.

2.Remove the electrode wire from the wire drive.

3.Using the 5/16 in. nut driver remove the wire drive cover.

4.Disconnect the #67 lead at the quick connect. See Figure F.9.

5.Disconnect the gas hose from the brass gun connector.

6.Disconnect the tach (hall effect device) leads.

7.Disconnect the motor armature leads.

8.Remove any necessary cable ties.

9.Using the 3/4 in. wrench remove the electrode cable from the wire feed assembly.

10.Using the 7/16 in. socket wrench and extension remove four mounting screws, lock washers and flat washers. The motor, gear box and feed head assembly are now free from the LN-10 unit.

11.Remove the wire feed assembly.

LN-10