.A complete Parts List is available at www.MillerWelds.com
SECTION 6 − MAINTENANCE &TROUBLESHOOTING
6-1. Routine Maintenance
! | Disconnect power | .Maintain more often |
| before maintaining. | during severe conditions. |
n = Check | Z = Change | ~ = Clean | l = Replace |
* To be done by Factory Authorized Service Agent |
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Every
3 Months
| l Unreadable Labels | ~ Weld Terminals | nl Weld Cables |
Every |
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6 | OR |
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Months |
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| ~ Inside Unit | n Apply Light Coat Of Oil |
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| Or Grease To Drive Motor |
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| Shaft |
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Reference
6-2. Unit Overload
Thermostats TP1 in rectifier SR1 and TP2 in stabilizer Z1 protect the unit from damage due to overheating. If TP1 and/or TP2 opens welding output will shut off, and the Over Temp light will turn on. Wait until Over Temp light turns off before trying to weld.
6-3. Changing Drive Roll and Wire Inlet Guide
2 |
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| 1 | Securing Screw |
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| 2 | Inlet Wire Guide | |
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| Loosen screw. Slide tip as close to | |
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| drive rolls as possible without | |
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| 4 | touching. Tighten screw. | |
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| 3 | Drive Roll |
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| The drive roll consists of two | |
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| different sized grooves. The | |
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| stamped markings on the end | |
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| surface of the drive roll refers to the | |
| 1 |
| groove on the opposite side of the | |
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| drive roll. The groove closest to the | ||
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| motor shaft is the proper groove to | |
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| thread (see Section | |
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| 4 Drive Roll Securing Nut | |
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| Turn nut one click to secure drive | |
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| roll. |
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| 3 |
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Tools Needed: 7/16 in
Ref. 804
