Fronius TransPocket 1500 Service Manual page 4

History ......................................................................................................................................................... 31
Modification ............................................................................................................................................ 31
Measuring and testing equipment, tools ...................................................................................................... 31
General remarks .................................................................................................................................... 31
Measuring and test equipment ............................................................................................................... 31
Tools and appliances .............................................................................................................................. 31
Additional needed tools .......................................................................................................................... 32
Filter attachment ......................................................................................................................................... 32
Filter attachment with filter insert ............................................................................................................ 32
Opening the housing ................................................................................................................................... 33
Opening the housing .............................................................................................................................. 33
Care and maintenance ................................................................................................................................ 33
Regular checks and care ........................................................................................................................ 33
Checking and setting the maximum welding amperage ......................................................................... 33
Troubleshooting ........................................................................................................................................... 34
Safety ..................................................................................................................................................... 34
Troubleshooting table ............................................................................................................................. 34
Measuring, inspection and adjustment jobs -
Checking and setting the parameters on the welding sockets .................................................................... 38
General remarks .................................................................................................................................... 38
Checking the maximum welding amperage and Hot-Start ...................................................................... 38
Setting the maximum welding amperage ................................................................................................ 38
Checking the minimum welding amperage ............................................................................................. 39
Checking the open-circuit voltage ........................................................................................................... 40
Checking the open-circuit voltage - TP 1500 VRD .................................................................................. 41
Check the arc-force and anti-stick .......................................................................................................... 41
Cycle test ............................................................................................................................................... 42
Checking the transistor module .............................................................................................................. 44
Checking the secondary diode ............................................................................................................... 48
Checking the potentiometer ribbon cable ............................................................................................... 49
PE conductor test ................................................................................................................................... 49
Insulation test ......................................................................................................................................... 50
Maintenance and repair work ...................................................................................................................... 52
Installation instructions ........................................................................................................................... 52
Overall circuit diagram ................................................................................................................................ 53
Installation instructions: LCG15 board and secondary diode ...................................................................... 55
Safety ..................................................................................................................................................... 55
Scope of supply ...................................................................................................................................... 55
Tools needed .......................................................................................................................................... 55
Opening the housing .............................................................................................................................. 55
Removing the LCG15 board ................................................................................................................... 56
Removing the secondary diode .............................................................................................................. 57
Fitting the secondary diode ..................................................................................................................... 58
Fitting the LCG15 board - secondary diode with two cup springs ........................................................... 59
Fitting the LCG15 board - secondary diode with four cup springs ........................................................... 59
Mounting the shunt and connecting the leads ......................................................................................... 60
Closing the housing ................................................................................................................................ 61
Installation instructions: LCA15 board ......................................................................................................... 62
Safety ..................................................................................................................................................... 62
Scope of supply ...................................................................................................................................... 62
Tools needed .......................................................................................................................................... 62
Additional tools needed .......................................................................................................................... 62
Opening the housing .............................................................................................................................. 62
Removing the LCA15 board ................................................................................................................... 63
Fitting the LCA15 board .......................................................................................................................... 64
Closing the housing ................................................................................................................................ 68
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