Miller Electric 452 Welder User Manual


 
. A complete Parts List is available at www.MillerWelds.com
OM-222 Page 23
SECTION 6 MAINTENANCE AND TROUBLESHOOTING
6-1. Routine Maintenance
! Disconnect power before maintaining.
. Maintain more often during severe conditions.
n = Check Z = Change ~ = Clean Δ = Repair l = Replace
* To be done by Factory Authorized Service Agent
Every
3
Months
nl Labels n~ Weld Terminals
Every
3
Months
nΔ lCables And Cords
Every
6
Months
~:During heavy service, clean monthly.
6-2. Fuse F1
Ref. ST-800 101-C
! 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.
Close and secure access door.
1
Tools Needed:
3/8 in