Hobart Welding Products 300 DC - Manual (Page 20)

OM-318 Page 16
SECTION 4 – MAINTENANCE & TROUBLESHOOTING
4-1. Routine Maintenance
Y Disconnect power before maintaining.
3 Months
Replace
Unreadable
Labels
Repair Or
Replace
Cracked
Weld
Cables
Replace
Cracked
Parts
14-Pin Cord
Torch, Electrode Holder,
Or Gun Cable
Clean And
Tighten
Weld
Terminals
6 Months
Blow Out Or Vacuum
Inside,
During Heavy Service,
Clean Monthly
OR
4-2. Circuit Breakers CB1 And CB2
Ref. ST-152 973-A / Ref. S-143 930-A
1 Circuit Breaker CB1
If CB1 opens, 115 volts ac output to
the 115 volts ac duplex receptacle
and Remote 14 receptacle stops.
Press button to reset breaker.
2 Circuit Breaker CB2
If CB2 opens, 24 volts ac output to
the Remote 14 receptacle stops.
Press button to reset breaker.
CB2
10A
CB1
15A
1 2