Miller Electric 172 M-10 Gun - Manual (Page 23)

OM-1318 Page 19
5-4. Cleaning Or Repairing Drive Assembly
Y Turn Off power before
cleaning or repairing drive
assembly.
1 Wire Spool
2 Nozzle
Cut welding wire off at nozzle. Re-
tract wire onto spool and secure.
3 Pressure Roll Arm
4 Cotter Pin
5 Pin
6 Screw
7 Bearing
Remove bearing. Install new bear-
ing and secure with screw. Reinstall
arm onto pin and secure with cotter
pin.
8 Screw
9 Drive 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.
2
6 7
8
10
3
4
9
1
5
Ref. ST-801 987 / Ref. ST-801 872
Tools Needed:
5/64 in
5-5. Replacing Gun Contact Tip
Ref. 802 399-A
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.
1
2
Tools Needed: