© ESAB AB 1999
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7
TROUBLE SHOOTING
7.1
Checking for air leaks
During the test the device is to be run without electrode and shielding gas.
Test 1
S
Turn on the compressed air to the max. pressure of 490 kPa (5 kp/cm
2
).
S
Submerge the lower part of the gun handle into a container with methylated
spirits.
Smaller leaks in the form of occasional air bubbles need not be attended to.
Test 2
S
Hold the welding gun in such a way that the motor is in vertical position with the
feed unit turned up.
S
Pour methylated spirits on the bottom of the gun housing till the feed unit is
covered.
S
Push the gun trigger checking the gasket ring for air leaks.
After the Test
S
Pour away the methylated spirits.
S
Dry and clean the gun using compressed air.
8
ORDERING OF SPARE PARTS
PKB 250, PKB 400 is designed and tested in accordance with the international and Eu
ropean standards EN60974-7 and EN . It is the obligation of the service unit which
has carried out the service or repair work to make sure that the product still conforms
to the said standard.
Repair and electrical work should be performed by an authorised ESAB service
technician. Use only ESAB original spare and wear parts.
Spare parts may be ordered through your nearest ESAB dealer, see the last page of
this publication.
9
DISASSEMBLY AND DISPOSAL
Dispose of electronic equipment at the recycling facility!
In observance of European Directive 2002/96/EC on Waste Electrical and Electronic
Equipment and its implementation in accordance with national law, electrical and/or
electronic equipment that has reached the end of its life must be disposed of at a
recycling facility.
As the person responsible for the equipment, it is your responsibility to obtain
information on approved collection stations.
For further information contact the nearest ESAB dealer.
The welding torch system is mainly made from steel, plastics and non-ferrous metal
and must be disposed of in compliance with local environmental regulations.
The disposal of coolant is also subject to local requirements.
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