TM
53431200-15
Section IV. TROUBLESHOOTING
Possible
remedy
Probable
cause
35. General
Fusc
defective
-----------------
Replace
the
fuse
This section provides information useful in
Adjust
the
rheostat
Rheostat
not
adjusted
properly.
diagnosing and correcting unsatisfactory opera-
tion or failure of the welding set and its com-
37. Wire Will Not Feed
ponents, Each trouble symptom stated is fol-
Possible remedy
Probable cause
lowed by a list of the probable causes of the
Replace the fuse (par. 32).
Motor fuse blown - - - - - - -
trouble. The possible remedy recommended is
Drive roll dirty or worn----- -Service the drive roll
described opposite the probable cause. Any trou-
(par. 33). Report
ble beyond the scope of organizational mainte-
defective roll to field
nance shall be reported to field maintenance,
maintenance.
Adjust the idler roll
3d echelon.
bearing tension (par.
36. Welding Set Will Not Start or Weld
Clean the guide bushings
Guide bushings clogged
or defective.
or replace defective
Probable cause
Possible remedy
bushings.
Welding set not connected Connect the welding set
Guide tube bent or
Service the guide tube
to welder.
defective.
to the welder (par. 10).
(par, 33), or replace a
Power switch not in ON
Place the switch in the ON
defective guide tube
position,
position
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