Hobart Welding Products OM-474 Welding System User Manual


 
OM-474 Page 30
7-7. Overload Protection
Ref. ST-191 898 / Ref. ST-154 862-A / Ref. ST-154 952-C
Y Stop engine.
. If any fuse or circuit breaker
continues to open, contact Fac-
tory Authorized Service Agent.
1 Magnetic Shutdown
Switch MS1
2 Fuse F (See Parts List)
Fuse F protects magnetic shutdown
switch MS1. If fuse F opens, the en-
gine stops.
Check fuse F and replace if open.
3 Fuse Wire (Lead 88)
The fuse wire protects the glow plug
circuit from overload. Fuse wire
opens if glow plug current exceeds
30 amperes.
If fuse wire opens, contact Factory
Authorized Service Agent.
4 Circuit Breaker CB3 (Optional)
5 Circuit Breaker CB4 (Optional)
CB3 protects the 115 volt ac output
and CB4 protects the 24 volt ac out-
put to optional Remote 14 receptacle
RC3 and terminal strip 3T. If CB3
opens, 115 volt output stops. If CB4
opens, 24 volt output stops.
Press button to reset breaker.
Tools Needed:
1
2
3
4 5