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5-7.
Inspecting
And
Cleaning
Optional
Spark
Arrestor
5-8.
Troubleshooting
A.
Welding
~$
2
I
Trouble
Remedy
No
weld
output.
Check
fuses
F2
and
F3,
and
replace
if
necessary
(see
Section
5-6).
Have
Factory
Authorized
Service
Agent
check
main
rectifier
and
capacitor
C5.
Check
and
secure
connectionsto
Remote
14
Receptacle
RC1.
Place
Remote
Output
(Contactor)
switch
S6
in
On
position,
or
place
switch
in
Remote
14
position
and
connect
remote
contactor
to
Remote
14
receptacle
RC1
(See
Section
3-2).
Have
Factory
Authorized
Service
Agent
check
brushes
and
slip
rings,
and
circuit
board
PCi.
Low
weld
output.
~
Check
fuses
F2
and
F3,
and
replace
if
open
(see
Section
5-6).
Check
and
adjust
engine
speed
(see
Section
5-5).
Tune
engine
according
to
engine
manual.
Place
Remote
Amperage
Control
switch
S7
in
Panel
position,
or
place
switch
in
Remote
14
position
and
connect
remote
amperage
control
to
Remote
14
receptacle
RC1.
Have
Factory
Authorized
Service
Agent
check
brushes
and
slip
rings,
main
rectifier,
integrated
recti
fier
SR3,
and
capacitor
C5.
High
weld
output.
~
Check
and
adjust
engine
speed
(see
Section
5-5).
Have
Factory
Authorized
Service
Agent
check
main
rectifier.
Stop
engine
and
allow
to
cool.
1
Spark
Arrestor
2
Cleanout
Plug
Remove
plug
and
remove
any
dirt
covering
cleanout
hole.
3
Exhaust
Pipe
Start
engine
and
run
at
idle
speed
to
blow
out
cleanout
hole.
If
nothing
blows
out
of
hole,
briefly
cover
end
of
exhaust
pipe
with
fireproof
material.
Stop
engine
and
allow
to
cool.
Reinstall
cleanout
plug.
ST-8O1
154-B
I
Ref.
ST-175
920-A
Tools
Needed:
~
3/8in
OM-156
368
Page
18