Invacare FDX User Manual page 68

Invacare® FDX®
3.
Loosen the locking knob (1) counter-clockwise at least
one turn.
4.
Hit the knob to release the locking mechanism.
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5.
Swivel the legrest upward in order to access the rubber
stop.
6.
Use the wrench to loosen the counternut (1).
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