Air Liquide M 132, Руководство пользователя

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5.2 REPLACING THE GUN LINER
1 . Turn OFF welder.
2 . Follow the instructions in the figure below:
No functions operate Faulty power cord (one or more Check and remedy
phases disconnected)
Blown fuse Replace
Irregular wire feed Insufficient spring pressure Tighten pressure assembly knob
Wire-guide blocked Replace
Wire groove - unsuitable for wire, Turn roller over or change it
or excessively worn
Excessive braking on coil Loosen brake using adjusting screw
Oxidized, poorly wound, poor quality wire, Remedy by removing defective coils. If problem persists,
with tangled or overlapping coils, etc. change the wire reel
Reduced welding power Ground cable not connected Check that the power cord is in good condition and make
sure that the ground clamps are flrmly fixed to the workpiece
Detached or loose connection Check, tighten or replace, as necessary
on switches
Faulty contactor Check the state of the contacts and the
mechanical efficiency of the contactor
Faulty rectifier Visually check for signs of burn-out; if present, replace rectifler
Porous or spongy welds No gas Check presence of gas and gas supply pressure
Drafts in the welding area Use a suitable screen. Increase gas delivery
pressure if necessary
Clogged holes in gas diffuser Clear clogged holes using compressed air
Gas leakage in supply hoses Check and replace faulty component
Solenoid valve blocked Check solenoid operation and electrical connection
Faulty regulator Check operation by removing the hose connecting
the pressure regulator to the power source
Poor quality gas or wire Gas must be extra-dry; change the cylinder or use
a different type wire
Gas supply does Worn or dirty solenoid valve Replace solenoid
not switch off
Presslng torch trigger Faulty torch trigger, disconnected Remove the torch connection plug and short circuit the poles;
produces no result
or broken control cables if the machine operates properly, check the cables and
the torch trigger
Fuse blown Replace, using a fuse of the same rating
Faulty power switch Clean with compressed air. Ensure that wires are
tightly secured; replace switch if necessary
Faulty electronic circuit Replace circuit
TYPE OF BREAKDOWN POSSIBLE CAUSES CHECKS AND SOLUTIONS
5.3 TROUBLESHOOTING
13
Before removing
the sheath, spray
some low viscosi-
ty oil through the
gap to lubricate
the o-ring
Before inserting the new
sheath, apply some
grease on the lower sec-
tion of the sheath itself