Praxair Compact 200H 2R Guide De L'utilisateur page 10

2 rolls motor (Mig 190C/250C):
Nr.
1
2
3
4
6
8
10
11
12
8 – MAINTENANCE
MIG machines do not need special cares of maintenance, however, it is recommended a periodically inspecting and
cleaning operation. The frequency of this operation must be in according to the environment values of dust or humidity. It
must be made as follows:
- Disconnect the machine from the mains supply.
- Remove lateral covers.
- Clean all dust or humidity with a low pressure and dry air flow.
- Well retighten all electrical contacts (bolts and nuts).
- Also the torch must be periodically inspected. During operation it is subjected to high temperatures. To obtain more
information about torch maintenance it is recomended to read the respective user's manual.
DAMAGE
The machine do not weld when
conected the main switch.
Irregular advance of wire
10
2R Board
Axe
Traction
Spring
Pressure ajustment screw
24V/50W motor
Roll 0,8/1,0 mm
Roll 1,0/1,2 mm
Roll screw
Inlet wire guide
Failure on main voltage
Blowed command circuit fuses.
Interruption of the primary cable.
Low pressure of rolls.
Wire guide damaged or in bad condition.
Diameter rolls do not match with wire
diameter.
Wire coil breakage system too much
tightened.
Damaged wire or wire coil.
Description
CAUSE PROCEEDING
Check main supply voltage and protective
electrical circuits.
Check and replace, if necessary.
Check and replace, if necessary
Adjust the pressure system.
Clean properly and replace, if necessary.
Replace rolls with the adequate diameter.
Adjust with the adequate pressure
Check and replace, if necessary.
200H 2R