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OM-1589 Page 35
SECTION 11 − MAINTENANCE AND TROUBLESHOOTING
11-1. 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
11-2. 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.
Install new guide.
Thread welding wire and adjust drive roll
pressure, if necessary (see Sections 3-13
and 3-14).
5
3
4
2
1
7
6