Hobart Welding Products HSW 25 - Manual (Page 15)

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SECTION 6 − MAINTENANCE AND TROUBLESHOOTING
6-1. Routine Maintenance
Y Disconnect power before maintaining.
Every Use 3 Months 6 Months
Inspect
Tips
Replace
Unreadable
Labels
Blow Off
Or
Vacuum
Unit
During Heavy Service,
Clean Monthly
OR
6-2. Troubleshooting
Trouble Remedy
No weld output. Check line fuses, and replace if necessary.
Low weld output. Dress or replace tips (see Section 4-1).
Check tip threads. Replace tips if necessary (see Section 4-1).
Remove and clean tongs (see Section 4-2).
Clean ends of tongs and tong holders (see Section 4-2).
Longer than normal weld time required. Dress or replace tips (see Section 4-1).
Clean workpieces.
Adjust tong pressure (see Section 4-3).
Clean ends of tongs and tong holders (see Section 4-2).
Check input line voltage.
Burn through at point of weld. Adjust tong pressure (see Section 4-3).
Dress or replace tips (see Section 4-1).
Realign tips (see Section 4-2).