Hobart Welding Products 500 Welder User Manual


 
OM-201 444 Page 22
4-5. Ammeter And Voltmeter (Optional)
1
2
1 Voltmeter
Voltmeter displays voltage at the
weld output terminals, but not nec-
essarily the welding arc due to
cable resistance, poor connec-
tions, etc.
2 Ammeter
Ammeter displays weld amperage
output of unit.
SECTION 5 MAINTENANCE & TROUBLESHOOTING
5-1. 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
Sealed
Bearings
No Oil
Needed