Miller Electric DS-64M Swingarc - Manual (Page 40)

OM-1588 Page 36
SECTION 14 − MAINTENANCE AND TROUBLESHOOTING
14-1. Routine Maintenance
Y Disconnect power before maintaining.
3 Months
Replace
unreadable
labels.
Clean and
tighten
weld
terminals.
Repair or
replace
cracked
weld
cable.
Check
14-pin cord.
Check gas
hose and
fittings.
Check gun
cable.
Replace
cracked
parts.
6 Months
Blow out or vacuum
inside. During heavy
service, clean
monthly.
Or
Clean
drive rolls.
14-2. Motor Start Control
ST-162 132 / Ref. SA-183 121-B
To change wire feed starting speed
proceed as follows:
Turn Off wire feeder and welding
power source.
Remove wrapper.
1
Motor Board PC1
2 Motor Start Control Poten-
tiometer R70
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 potentiometer
R70 using a small nonconductive
screwdriver.
Reinstall wrapper.
Right Side
Tools Needed:
1/4 in
Non-Conductive
1 2