Hobart Welding Products 452 Welding System User Manual


 
OM-277 Page 23
SECTION 5 MAINTENANCE & TROUBLESHOOTING
5-1. Routine Maintenance
Y Disconnect power before maintaining.
3 Months
Replace
unreadable
labels.
Repair or
replace
cracked
weld cable.
Clean and
tighten weld
terminals.
6 Months
Blow out or
vacuum inside.
During heavy
service, clean monthly.
OR
5-2. Fuse F1
Ref. ST-800 101-C
Y Turn Off power before open-
ing rear access door.
1 Fuse F1 (See Parts List For
Rating)
Fuse F1 protects control transform-
er from overload. If F1 opens, weld
output and fan motor stops. Re-
place F1.
1
Tools Needed:
3/8 in