Miller Electric OM-1589 - Manual (Page 43)

OM-1589 Page 37
SECTION 13 − MAINTENANCE AND TROUBLESHOOTING
13-1. Routine Maintenance
Y Disconnect power before maintaining.
3 Months
Replace
Unreadable
Labels
Clean
And
Tighten
Weld
Terminals
Repair Or
Replace
Cracked
Weld
Cable
14-Pin Cord Gas
Hose And
Fittings
Gun
Cable
Replace
Cracked
Parts
6 Months
Blow Out Or Vacuum
Inside. During Heavy
Service, Clean
Monthly
OR
Clean
Drive
Rolls
13-2. Feeder Drive Assembly Maintenance
Ref. 800 944 / 151 781 / Ref. 151 781
Tools Needed:
5/16 in
Retract wire onto spool.
1 Pressure Roll Assembly
2 Drive Motor Shaft
3 Setscrew
4 Drive Roll
.
Number size of desired drive roll groove,
located on side of drive roll closest to
groove, must face inside toward shaft
when reinstalling drive roll.
Use wire brush to clean drive roll. Install drive
roll with desired groove in, and turn drive roll
so one setscrew faces flat side of shaft.
5 Bearing
Use wire brush to clean bearing.
6 Wire Conduit Fitting
Line up drive roll groove with bearing groove
and opening in conduit fitting. Tighten set-
screws.
7 Wire Inlet Guide
Pull guide toward rear of feeder to remove. In-
stall new guide.
Thread welding wire and adjust drive roll pres-
sure, if necessary (see Sections 3-13 and
3-14).
5
3
4
2
1
7
6