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SECTION 5 – MAINTENANCE & TROUBLESHOOTING
5-1. Routine Maintenance
3 Months
Replace
unreadable
labels.
Replace
cracked
parts.
6 Months
Blow out or vacuum
inside. During heavy
service, clean
monthly.
5-2. Replacing The Hub Assembly
Tools Needed:
9/16 in
OM-884 Page 22
Clean and
tighten
weld
terminals.
Check
14-pin
cord.
OR
2
Y Disconnect power before maintaining.
Repair or
replace
cracked
weld
cable.
Check gas
hose and
fittings.
Clean
drive
rolls.
1
3
3
2
Check
gun
cable.
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).
Ref. ST-045 315-L
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Troubleshooting
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