TABLE OF CONTENTS
0463 660 001 © ESAB AB 2019
Checking torch trigger, fan, gas valve, contactor and TMR-sensor
functionality .......................................................................................
28
Restoring the wire feed unit after power up checks ............................. 33
DISASSEMBLY AND REASSEMBLY
......................................................
34
CALIBRATION AND VALIDATION
...........................................................
39
Measurement methods and tolerances
................................................
39
Requirements specifications and standards
.......................................
39
Accuracy out of tolerance
.....................................................................
40
REPLACEMENT INSTRUCTIONS
...........................................................
41
Replacing the button cell battery on the control circuit board
..........
41
Replacing the control circuit board (13AP1)
........................................
42
Replacing LED circuit board 13AP2 located by the feeder
mechanism
..............................................................................................
43
Replacing LED circuit board 13AP3 located by the wire bobbin
.......
44
Replacing the current sensor switch board (13AP4)
..........................
44
Replacing the fan (13EV1)
.....................................................................
45
Replacing the bobbin brake hub
...........................................................
45
Replacing the torch copper bar
............................................................
46
Replacing the solenoid valve
................................................................
47
Replacing the feeder mechanism
.........................................................
48
Replacing separate parts inside the feeder mechanism
....................
50
Replacing the torch connector
..............................................................
51
IN-SERVICE, MAINTENANCE AND PERIODIC INSPECTION
PROCEDURE
...........................................................................................
53
Visual inspection in accordance with 5.1 IEC 60974-4
.......................
53
Intermediate cables .............................................................................. 53
Enclosure ............................................................................................. 53
Return clamp ........................................................................................ 53
Welding gun/torch................................................................................. 53
Welding circuit ...................................................................................... 54
General condition ................................................................................. 54
Wire feeder/ wear parts ........................................................................ 54
Magnetic gas valve............................................................................... 54
Controls and indicators......................................................................... 54
Cleaning the equipment
.........................................................................
55
Labelling and report
...............................................................................
55
Maintenance and inspection procedure
...............................................
56
SPARE PARTS AND ACCESSORIES
.....................................................
57
Rights reserved to alter specifications without notice.