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SECTION
4-
MAINTENANCE
*
Retain Nuts For Installation
Of Water-Cooled Nozzle
18.114
229
4-1.
INSPECTION AND UPKEEP
a
WARNING:
ELECTRIC SHOCK
can
kill;
ROBOT
ARM
MOVEMENT
can cause
serious
Injury
or
death;
INCORRECT PROCEDURES
can cause
Injury.
Do
not
touch live electrical
parts.
Shut down
welding
power
source
and robot
control,
and disconnect
input
power
employing
lockouttagging procedures.
Lockout/tagging procedures
consist of
removing
input
power
plug
from
receptacle, padlocking
line disconnect
switch(es)
in
open
position,
removing
fuses from fuse
box(es),
or
shutting
off
and
red-tagging
circuit
breaker(s)
or
other
disconnecting device(s).
MOVING PARTS
can cause
serIous
Injury.
Keep
away from
moving
parts.
HOT
SURFACES
can cause severe
burns.
Allow
cooling period
before
touching
gun.
WELDING
WIRE
can
cause
puncture
wounds.
The
welding
wire and all metal
parts
in contact
with it
are
electrically energized
when the
welding
power
source
contactor is
energized.
Usage
and
shop
conditions determine the
frequency
and
type
of maintenance
required.
At
minimum,
inspect
welding
gun and outlet cable
monthly
as
follows:
1.
Inspect
gun and
phenolic plates
for broken
areas,
cracks,
and loose
parts;
tighten, repair,
and
replace
as
required.
2.
Carefully
remove
weld
spatter
or
dirt from around
the nozzle
opening.
3.
Repair
or
replace
as
required
all hoses and
cables;
give particular
attention
to
frayed
and cracked
insulation and
areas
where cables
enter
equipment.
4.
Remove grease and dirt from
components,
and
moisture from electrical
parts
and cables.
5.
Clean outlet
cable
liner
using compressed
air
whenever the wire is removed.
a
CAUTION:
FLYING
DIRT
AND
METAL
PARTICLES
can
injure
personnel
and
damage equIpment.
Point outlet cable liner
only
in
a
safe
direction
away from
personnel
and
equipment
when
cleaning
with
compressed
air.
Remove These Parts
1.
Contact
Tip
*2.
Nuts
3.
lip Adapter
4.
Bushing
5.
0-RIng
6.
Ceramic insulator
7.
Nozzle
FIgure
3-4. Removal Of Air-Cooled Nozzle
OM-1556
Page
6
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