Otto Bock 3F1-1 Instructions For Use Manual page 31

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6.4 Assembling the functional knee part
Complete the following steps to assemble the functional knee part:
1) Loosen the screws on the functional knee part.
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→ If the socket and lower knee part con­
tinue to collide, the ball top can be
removed (see fig. 6).
3) Carefully deburr the sanded areas.
2) Check the alignment of the actuator stir­
rup.
INFORMATION: The stirrup points up,
the wing points down.
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