Troubleshooting and repair, Continued) – Lincoln Electric SVM143-A User Manual

Page 82

F-38

TROUBLESHOOTING AND REPAIR

F-38

DH-10

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 DH-10
unit.

11. Remove the wire feed assembly.

PROCEDURE

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

2. Remove the electrode wire from the

wire drive.

3. Using the 5/16 in. nutdriver 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.

FIGURE F.9 — WIRE FEED ASSEMBLY REMOVAL.

WIRE DRIVE MOTOR AND GEAR BOX REMOVAL AND REPLACEMENT

(continued)

LINCOLN

ELECTRIC

MOTOR

ARMATURE

LEADS

TACH

LEADS

3/4 in. NUT

CAP SCREW

LOCK WASHER

GAS HOSE

FITTING

FLATWASHER

#67