SECTION 4 – MAINTENANCE & TROUBLESHOOTING

4-1.

Routine Maintenance

 

 

 

 

Y Disconnect power before maintaining.

 

 

 

 

3 Months

 

 

 

Replace

 

 

Repair Or

 

Unreadable

 

 

Replace

 

Labels

 

 

Cracked

 

 

 

 

Weld

 

 

 

 

Cables

 

Clean And

 

 

Replace

 

Tighten

 

 

 

 

 

Cracked

 

Weld

 

 

 

 

 

Parts

 

Terminals

14-Pin Cord

Torch, Electrode Holder,

 

 

 

 

Or Gun Cable

 

 

 

 

 

 

 

6 Months

 

 

 

 

Blow Out Or Vacuum

 

 

 

OR

Inside,

 

 

 

During Heavy Service,

 

 

 

 

Clean Monthly

 

 

4-2.

Circuit Breakers CB1 And CB2

 

 

 

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.

21

CB2

CB1

10A

15A

Ref. ST-152 973-A / Ref. S-143 930-A

OM-318 Page 16

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Hobart Welding Products 300 AC Maintenance & Troubleshooting, Routine Maintenance, Months, Circuit Breakers CB1 And CB2