Pfaff EXPRESSION 2014, Service Manual, Page: 74 / 112

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30. Changing the upper circuit board on front housing panel
Removal:
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Remove the mains lead from the mains socket and from the machine.
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the detachable work support.
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Remove the folding cover.
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Unscrew and remove both torx screws of the housing insert.
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Remove the housing insert.
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Raise both lugs 1 slightly and remove the facing panel of the front housing panel in the direction
of the arrow (fig. 85).
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Remove connection plugs 2, 7, 12, 13, 14, 15, 16, 112 and 113 from the circuit board (fig. 86).
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Unscrew and remove screws 114, 115 and 116.
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Remove the complete circuit board.