Miller LMSW-52, Owner'S Manual

Page: 19 / 32

OM-716 Page 15
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. Overload Protection For 220 Volts Model
Ref. ST-800 233-A / Ref. ST-800 185-A
Y Turn Off unit and disconnect
input power.
If fuse opens, unit shuts down. To
replace fuse, proceed as follows:
1
Fuse Holder Cover
2 Fuse F1 (See Parts List)
1
2
6-3. Troubleshooting
Trouble Remedy
No weld output. Check line fuses, and replace if necessary.
For 220 V models, check fuse F1, and replace if necessary (see Section 6-2).
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).