!"#$%&#'()*+,$-)#.$%/0*1$234$5/67("*$8/7*"$9:;;1<$
=/#:>*)6$?:>@*"$AB33CC$$$$$$$$$$$$$$$$$$$$$$$$$$$$D'&;6*"$I.$8&E*$B.
F*G.$H
15.
Do
protect gas cylinders and secure them firmly them in
upright position. A damaged cylinder can explode and fly
through the air like a guided missile.
16.
Do
USE PIPE STANDS, CLAMPS, ALIGNMENT TOOLS,
etc. to hold weld components in position for welding.
Tack welding of components with a manual torch prior to
welding may be necessary in some applications.
MODEL 501 DON’TS
1.
Don’t
watch the arc. The light can cause blindness.
2
. Don’t
attempt to weld without a secure
BARE
METAL
WORK
(
GROUND
)
CONNECTION
when using the Model 501.
3.
Don’t
attempt to weld without
PROPER
FACING
AND
CLEANING
OF
THE
MATERIAL
to be welded.
4.
Don’t
route the cables where they will be
SUBJECT
TO
DAMAGE
from traffic or equipment.
5.
Don’t
C$::
on cables. This will result in
DAMAGE
TO
THE
EQUIPMENT
.
6.
Don’t
add oil or grease to the wire feed mechanism.
7.
Don’t
increase
GAS
FLOW
RATE
(CFH) to GTAW torch
beyond levels that could result in arc instability.
8.
Don’t
switch the Model 501 Power Supply ON and OFF
rapidly with circuit breaker (CB-1).
RF and EMI Emissions
Arc Machines’ policy is to comply with the IEC and FCC
regulation. Every effort has been made to reduce RF emissions
from our power supplies to the absolute minimum. (See Model
415 Operation Manual P/N 740095 for more information.)
