Lincoln Electric INVERTEC V250-S Bedienungsanleitung PDF herunterladen (Seite 106)

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F-74

TROUBLESHOOTING & REPAIR

F-74

INVERTEC V250-S

MAIN TRANSFORMER REMOVAL AND REPLACEMENT

(MACHINE CODES ABOVE 10150)

(continued)

MAIN TRANSFORMER 

MOUNTING SCREWS

MAIN TRANSFORMER 

LOCKING MOUNTING TABS

Figure F.25 Main Transformer Mountings

14. Using the slot head screwdriver

unclip the locking tabs and slide the

transformer towards the front of the

machine until it is free of the slots in

the bottom of the machine. Note:

The machine will have to be tilted

on its side to gain access to the

bottom of the unit.

15. With the main transformer loose

from the base carefully tilt and

remove the transformer from the

left side of the machine.

16. Install the new transformer by tilting

and carefully positioning it in place

in the slots in the case bottom.

Slide towards the rear of the

machine until the locking tabs are

in place.

17. With the 3/8” wrench replace the

two transformer mounting screws.

Note: The machine will have to be

tilted on its side to gain access to

the bottom of the unit.

18. Using the 7/16” wrench reassemble

the four secondary leads to the out-

put rectifier module. Note lead and

washer placement and lead labels.

Tighten to between 30 and 40 IN-

LBS.

Do not stress the module terminals

when making these connections.

19. Using the slot head screwdriver

and 3/8” nut-driver reassemble the

two reactor leads to the output rec-

tifier leads. Note lead labels.

20. Replace the sleeving on the reactor

connections and replace the cable

ties.

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