Miller Electric 172 M-10 Gun Cleaning Or Repairing Drive Assembly, Replacing Gun Contact Tip

5-4. Cleaning Or Repairing Drive Assembly

Tools Needed:

5/64 in

1

2

5	7	3
6

4

9

10

8

YTurn Off power before cleaning or repairing drive assembly.

1Wire Spool

2Nozzle

Cut welding wire off at nozzle. Re- tract wire onto spool and secure.

3Pressure Roll Arm

4Cotter Pin

5Pin

6Screw

7Bearing

Remove bearing. Install new bear- ing and secure with screw. Reinstall arm onto pin and secure with cotter pin.

8Screw

9Drive Roll

Remove drive roll.

Align drive roll with flat spot on shaft. Slide drive roll onto shaft and secure with screw.

10 Wire Inlet Guide

Remove guide by pressing on barbed area or cutting off one end near housing and pulling it out of hole. Push new guide into hole from rear until it snaps in place.

Close door.

Ref. ST-801 987 / Ref. ST-801 872

5-5. Replacing Gun Contact Tip

Y Turn Off power before replacing contact tip.

1 Nozzle

2 Contact Tip

Cut off welding wire at contact tip.

Remove nozzle.

Remove contact tip and install new contact tip. Reinstall nozzle.

2

Tools Needed:

1

Ref. 802 399-A

OM-1318 Page 19