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Wire
Retainer
Retaining
Ring
OPTIONAL
Input
Command For
Wire
Speed
1PM Meter
0.8V
=
800 1PM
Input
Command For
Volts Meter O.5V
=
50V
Ref.
SD-ill
838-B
1.
Open
robot interface
access
door.
2.
Locate
display
board PC4.
3.
Check
voltage according
to
Figure
6-2.
4.
If
a
meter
power
supply
and command
voltage
is
correct and
the
meter is not
working, replace
the
me
ter
(see
Section 6-5 and
contact nearest
Factory
Au
thorized Service
Station).
5.
If the power
supply
or
command
voltage
is
incorrect,
replace display
board
PC4
(see
Section
6-5 and
contact nearest
Factory
Authorized Service Sta
tion).
6-5.
CIRCUIT BOARD HANDLING PRECAUTIONS
a
WARNING: ELECTRIC SHOCK
can
kilt.
Do
not
touch live electrical
parts.
Shut down
unit,
welding
power
source,
and
robot,
and disconnect
input
power
employing
lockout/tagging
procedures
before
inspecting,
maintaining,
or
servicing.
Lockout/tagging
procedures
consist of
padlock
ing
line disconnect switch
in
open
position,
re
moving
fuses from fuse
box,
or
shutting
off and
red-tagging
circuit breaker
or
other disconnect
ing
device.
spanner
Nut
Wire Reel
Spring
Keyed
Washer
Brake Washer
Hub
Fiber Washer
Brake
Washer
Fiber Washer
Figure
6-1. Hub And Reel Assemblies
Hex Nut
Ref.
SC-l27
328
Hub
Input
Command For
Ammeter -.O.1V
=
100A
Figure
6-2.
Display
Board Meter
Checks
Power
Supply
For
Volts Meter And Ammeter
0-5VDC
OM-135 582
Page
10
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