1. routine maintenance, 2. replacing the hub assembly – Miller Electric A.B.B. Robot Interface Gas Control Hub And Spindle User Manual
Page 26

OM-884 Page 22
SECTION 5 – MAINTENANCE & TROUBLESHOOTING
5-1.
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.
5-2.
Replacing The Hub Assembly
Ref. ST-045 315-L
Turn Off weld control and welding
power source. Retract wire onto
spool and remove. Take hub apart
as shown.
1
Keyed Washer
2
Fiber Washer
3
Brake Washer
Replace worn or broken parts (see
Parts List), and slide parts onto
shaft in order shown.
Tighten tension adjustment nut until
a slight force is needed to turn hub.
Install welding wire (see Section
2-13 or 2-14).
Tools Needed:
9/16 in
1
2
3
3
2