Maintenance And Troubleshooting - Villager VWM 200 Combo Original Instruction Manual

Villager VWM 200 Combo (GB)
●For Short Circuit Transfer Arc, L is about 0~3mm, L is about 10d.For example,
1
d=1.0mm,L =10mm.
1
For Short Circuit Transfer Arc,U is about 16~22V,I is about 90~200 A.
2 2
3.6 THE FUNCTIONS OF THE GUN SWITCH
●When operating, once the gun switch is triggered, wire feeding and current starts when it is
released the welding operation ends. Welding current and voltage are controlled by the knob
of welding current and voltage in
Figure 1 .
ON OFF
Figure 3 : Relations between Welding Arc and the gun switch on/off
3.7 SETTINGS FOR ALUMINUM WELDING
●Argon must be used as protective gas. In this case the gas heater is not necessary.
●Less pressure of the Wire feeding roll should be applied on these rolls than steel.
●Longer and larger inner diameter contact tips should be used.

MAINTENANCE AND TROUBLESHOOTING

4. MAINTENANCE AND TROUBLESHOOTING
Only qualified persons should install use or service this equipment. Protect yourself and others
from possible serious injury or death.
WARNING: Do not operate with covers removed. Disconnect input power before servicing.
Do not touch electrically live parts.
Electric shock can kill
●Have an electrician install and service this equipment
●Turn the input power off at the fuse box before working on equipment
●Do not touch electrically hot parts
WARNING: Before removing any screw on the machine for maintenance, power supply must
be disconnected from the electric lines and enough time should be allowed for capacitor
discharging. During maintenance, pay attention to the moving parts in the machine such as
ventilator, wire feeding motor, rolls and, wire spool.