Miller Electric SRH-503 Welder User Manual


 
OM-2236 Page 20
SECTION 6 − MAINTENANCE & TROUBLESHOOTING
6-1. Routine Maintenance
Y Disconnect power before maintaining.
3 Months
Replace
unreadable
labels.
Clean and
tighten weld
terminals.
Repair or
replace
cracked
weld
cable.
6 Months
Blow out or vacuum inside.
During heavy service, clean
monthly
Or
6-2. Fuse F1
Ref. ST-800 101-C
Y Disconnect and lockout/tag-
out input power before open-
ing rear access door to
change fuse.
1 Fuse Holder Cover
2 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.
Close rear access door.
Tools Needed:
3/8 in
2
1
Turn
Pull Out And Replace Fuse
(Install Flat End Of Fuse Into Cover)
Turn