Section TOC
Master TOC
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| MAINTENANCE | |||
| SAFETY PRECAUTIONS |
| ROUTINE AND PERIODIC | |||
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| WARNING |
| MAINTENANCE | ||
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| ELECTRIC SHOCK can kill. |
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| WARNING |
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• Only qualified personnel should perform this maintenance.
•Turn the input power OFF at the discon- nect switch or fuse box before working on this equipment.
•Do not touch electrically hot parts.
To avoid receiving an electric shock, keep electrode holders and cable insulation in good condition.
1.Disconnect power supply lines to the machine before performing periodic maintenance.
2.In extremely dusty locations, dirt may clog the air channels, causing the welder to run hot. Periodically blow out dust and dirt from the inside of the machine with a low pressure air system. Be sure to clean the following components thoroughly. See Figure D.1 for their location.
•Main transformer
•Output studs
•Polarity switch
•Rectifier assembly
•Control box assembly
3.Dirt and dust may also accumulate on the remote control terminal strips. Wipe or blow off the terminal strips regularly, especially in damp locations.
4.Inspect the welder output terminals and control cables for fraying, cuts, and bare spots.
5.The fan motor has sealed ball bearings and requires no maintenance.
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