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| MAINTENANCE |
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SAF | ETY PRECAUTIONS |
| AVOIDING WIRE FEEDING PROBLEMS |
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| Wire feeding problems can be avoided by observing | ||||
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| WARNING |
| the following gun handling and feeder set up proce- | ||||
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| ELECTRIC SHOCK can kill. | a) | Do not bend the conduit more than 45°. |
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| • Do not touch electrically live parts such | b) Keep the minimum amount of conduit necessary | ||||||
| • When inching with gun trigger, electrode and |
| for the wire reel to connect to the wire feeder. |
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| as output terminals or internal wiring. |
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| drive mechanism are “hot” to work and | c) Do not allow dolly wheels or trucks to run over | |||||
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| ground and could remain energized several | ||||||
| • | seconds after the gun trigger is released. |
| cables. |
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| Turn OFF input power at welding power | d) Keep cable clean by following maintenance | ||||||
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| source before installation or changing | ||||||
| • Welding power source must be connected |
| instructions. |
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| drive roll and/or guide tubes. |
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| to system ground per the National | e) | Use only clean, | The Lincoln | |||
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| Electrical Code or any applicable local | ||||||
| • | codes. |
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| electrodes have proper surface lubrication. |
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| Only qualified personnel should | f) | Replace contact tip when the arc starts to become | |||||
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| perform maintenance work. |
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Observe all additional Safety Guidelines detailed |
| unstable or the contact tip end is fused or | ||||||
g) | deformed. |
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throughout this manual. |
| Do not use excessive wire spindle brake settings. | ||||||
ROUTINE MAINTENANCE |
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| pressure settings. |
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Drive Rolls and Guide Tubes |
| h) Use proper drive rolls, wire guides and drive roll | ||||||
| PERIODIC MAINTENANCE |
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After feeding every coil of wire, inspect the feed plate | Wire Drive Motor and Gearbox |
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and drive rolls. Clean them as necessary. |
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All drive rolls have two identical grooves. The rolls | Every year inspect the gearbox and coat the gear | |||||||
may be flipped over to use the other groove. | teeth with a | Do not use | ||||||
See “Procedure to Install Drive Rolls and Wire | graphite grease. |
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Every six months check the motor brushes. Replace | ||||||||
Guides” in the INSTALLATION section for roll chang- | ||||||||
ing instructions. |
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| them if they are less than 1/4” long. |
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POWER FEED 10 / R