3-13.
Motor
Start
Control
a
WARNING
ELECTRIC
SHOCK
can
kill.
Do
not
touch
live
electrical
parts.
TurnOffwirefeederandweldingpowersource,
and
disconnect
input
power
before
inspecting
or
installing.
STATIC
ELECTRICITY
can
damage
parts
on
circuit
boards.
Put
on
grounded
wrist
strap
BEFORE
handling
boards
or
parts.
wfwaml.r
2/93
non-conductive
ST-152
378
/
SB-146
862-D
Figure
3-15.
Motor
Start
Control
On
Motor
Control
Board
PCi
To
change
wire
feed
starting
speed
proceed
as
follows:
Turn
Off
unit
and
welding
power
source.
Remove
wrapper.
1
Front
Panel
Remove
screw
from
upper
left
cor
ner,
and
open
hinged
front
panel.
2
Motor
Board
PCi
3
Motor
Start
Control
Poten
tiometer
A70
Turn
potentiometer
clockwise
to
in
crease
time
it
takes
the
motor
to
ramp
up
to
speed.
Remove
protec
tive
white
rubber
cap
before
making
adjustment.
Adjust
poten
tiometer
R70
using
a
small
non-
conductive
screwdriver.
Close
and
secure
front
panel,
and
reinstall
wrapper.
Tools
Needed:
1/4
in
OM-1
583
Page
10