Download Print this page

Maintenance - Miller Electric GL-25 Owner's Manual

Om-1515

Advertisement

2.
Rotate outlet
guide
onto
cable
connector;
tighten
outlet
guide.
3.
Loosen
the
outlet
guide securing
screw
on
the
drive
assembly
of the
control/feeder.
4.
Insert the outlet
guide
from the
gun
cable all
the way into
the
outlet
guide
hole
on
the
drive
assembly
of
the
control/feeder.
5.
Tighten
the outlet
guide securing
screw.
6.
Connect
the
plug
installed
in
Section 2-2
to
the gun
switch
receptacle
on
the
control/feeder.
7.
Connect the
remaining
end of the
interconnecting
power
cable
to
the weld cable terminal
on
the
control/feeder,
where
applicable.
2-4.
CHANGING
WIRE SIZE
The
contact
tube in
the gun is the
only
component
in
the gun
and
gun
cable
assembly
that
needs
to
be
changed
to
accommodate
a
different wire size.
The
contact
tube
is
threaded.
To
remove,
rotate
in
a
counterclockwise
direction;
to
install,
rotate
in
a
clockwise
direction.
2-5.
NOZZLE
A nozzle
(1-3/4)
is recommended for normal
applications.
If
longer
stick
out
of the electrode is
desired,
a
longer
nozzle
(2-3/8)
is available
but
must
be ordered
(see
Parts
List).
Should
very
close work
be done where
the nozzle is
not
desired,
a
thread
protector
is available for
use
when
the
nozzle is removed
(see
Parts
List).
SECTION
3
-
MAINTENANCE
a.
Lay
cable
out
straight.
b.
Insert
monocoil
liner
fully
into
casing; push
until
it
seats
firmly
against
wire
straightener (in
head
tube
behind
contact
tube;
see
Parts List for
view).
c.
Tighten
set
screw
in
head tube and in cable
connector.
Do
not
overtighten.
d.
If
a
new
monocoil
liner has been
installed,
cut
the
liner
off
flush
with
the
feeder
end
of
the
cable
connector.
e.
Reinstall
the
interconnecting
power
cable,
where
applicable.
f.
Reinstall the outlet
guide.
3-2.
INSPECTION AND
UPKEEP
Usage
and
conditions will determine the
frequency
and type
of
maintenance
required.
1.
Inspect
gun
for
broken
areas,
cracks,
and
loose
parts;
tighten,
repair,
and
replace
as
required.
2.
Carefully
remove
any
weld
spatter
or
foreign
matter
which may accumulate around the nozzle
orifice.
3.
Repair
or
replace
cables
as
required;
give
particular
attention
to
frayed
and
cracked
insulation
and
areas
where the cables
enter
equipment.
4.
Remove
grease
and
grime
from
components; moisture
from electrical parts and cables.
r
I
S
L!1
Ensure that the
welding
power
source
is
completely
shut
down
and
that
power
is
removed
from
the
control/feeder
prior
to
performing
any
maintenance
procedures.
3-1.
CLEANING MONOCOIL LINER
Periodically, depending
on
usage and
conditions,
it will be
necessary
to
clean the monocoil liner and
casing
to
remove
any
metal
chips
and dirt that
may
have accumulated. To
clean, proceed
as
follov~s:
-
1.
Remove monocoil liner
as
follows;
a.
Remove outlet
guide
from cable
connector.
b.
Remove
interconnecting
power
cable from cable
con
nector, where
applicable.
c.
Remove
set
screw
from cable
connector
and
from
head tube
(via
clearance hole
on
sop of
handle).
d.
Lay
cable
out
straight,
and
pull
monocoil liner
out
from feeder end.
2.
Blow monocoil liner
out
with
clean,
dry, compressed
air.
3.
Blow
casing
out
in
same manner.
4.
Reinstall monocoil liner
as
follows;
Page
2

Advertisement

loading

This manual is also suitable for:

Gl-40