Miller Gold Seal 5000 Manual do Proprietário - Página 25
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SECTION
4-
MAINTENANCE& TROUBLESHOOTING
-
A~
WARNING
ELECTRIC SHOCK
can
kill.
Do
not
touch live electrical
parts.
Turn Oft
welding
power
source,
and disconnect
input
power before
inspecting, maintaining,
or
servicing.
HOT PARTS
can cause severe
burns.
Allow
cooling
period
before
maintaining
or
servicing.
4f
M
OVING PARTS
can cause
injury.
Keep
away from
moving
parts.
Keep
away from
pinch points
such
as
drive rolls.
Maintenance and
troubleshooting
to be
performed
only by qualified
persons.
swarnS
2
2/93
Table
4-1.
Maintenance Schedule
Time
Maintenance
Before each
use.
Tighten
all connections.
Check gun
and clean nozzle.
After each
spool
of wire.
Blow
out
gun liner. Clean and check wire drive
parts; replace
as
necessary.
Every
3 months.
Tape
or
replace
cracked cables: clean and
tighten
connections.
Replace
unreadable labels.
Every
6 months.
Blow
out
or
vacuum
inside of unit.
4-1.
Overload Protection
READ
Sectio
SAFETY BLOCKS
at start
of
n
4
before
proceeding.
Thermostat
TP1
protects
the unit from
damage
due
to
overheating.
If main transformer Ti
gets
too
hot,
TPi opens and
weld
output stops.
The fan
keeps
running
to cool the
transformer. Wait several minutes before
trying
to
weld.
A.
Overheating
B.
Motor Fuse Fl
Turn
Off
and
unplug
unit. Unlatch
door,
remove
handle,
and
remove
door/wrapper.
1
Fuse Fl
(See
Parts List For
Rating)
If this fuse opens, the wire drive
motor does not
run.
Push
on
fuseholder and twist
to
open.
Replace
fuse.
Reinstall wrapper and
handle,
and
latch door.
1T~~1ZJfl
1/4,3/Bin
ST-159
618
/
Ret.
ST-I
52
031
Tools Needed:
Figure
4-1.
Fuse Fl Location
OM-157
745
Page
7