BorMann 022749, Owner'S Manual, Page: 13 / 17

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CAUTION!
If welding with large current for a long time and exceed the duty cycle, the overload lamp will light (yellow), the machine
will stop working until looking to the stated temperature. When the overload lamp lights you must turn the switch to
"OFF" position and wait about 15 minutes, then you can continue.
If the equipment can't work normally, you should stop working at once and check trouble reason. You must use career
man to maintenance; forbid somebody that without training to check clear or repair equipment, when repairing, you'd
better to use commendatory spare parts.
Warning!
Before any maintenance, make sure the main switch has been cut or remove the fuse. 4.2 Cleanness
Take the shell and sideboard trimly, and use cleanly and dry low-pressure air to blow dust and curt on air alleyway and inner
parts. Clear the dirt, dregs and begrime on the head of welding tongs trimly. Make sure the clean frequency according to the
circumstance.
In order to enough circulating and supply proper cooling, it's necessary to keep the alleyway cleanness.
After cleaning by low-pressure, check if any hard ware has flexible, if been flexible, you must firm them, include all electric
contactor. Check if insulation of cable has been frayed, if the cable has been frayed, you must replace it.
Warning!
If you replace the cable improperly, the bare cable may contact the grounding objects, the arc can hurt your eyes or bring
bad fire. If body contact the have cable linker or lead; you may be burned or dead.
Check and maintenance
Keep the power dry, remove grease and make sure the power can't be damaged by flaming metal and spark.
Transformer
Transformer needn't any maintenance except clear the dust and dirt trimly. Use low-pressure air to let it clean and dry.
Replacing the wire reel
When the wire on the feed reel is used up, you will need to replace it as the Chapter 2.3.2.
Cable
Place cable at a clean and dry place.
Warning!
Before repairing, you must cut the main switch or breaker.
If the machine can't work normally, use following information, you can find the reason. Check trouble and collate symptom,
as table 5-1.Ifthe problem can't be found at once, you should open the power to see ass parts and wire.
Warning!
Electric repairing must be made by career man.