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1. Orient the heel wedge (Fig. 3, Pos. 3) for insertion so the locking recess in the wedge is posi-
tioned in the proximal and posterior direction.
2. Slide the heel wedge into position from the posterior side of the prosthetic foot between the
attachment spring (Fig. 3, Pos. 2) and heel spring (Fig. 3, Pos. 4).
5.3.2 Heel Wedge Removal
INFORMATION
The heel wedge has a tendency to rotate during removal. Pulling it in the direction of rotation
makes it easier to remove the wedge.
1. Push on the medial or lateral side of the heel wedge with your finger to free it from the mating
stop (Fig. 3, Pos. 7) on the attachment spring (Fig. 3, Pos. 2).
2. After the heel wedge is partially free grab it by the respective lateral or medial side and pull it
free from the prosthetic foot.
5.4 Foam Cover
Both Footshell Connection Caps 2C20 (slim) and 2C19 (normal) serve as a detachable connec-
tion between the foam cover and the footshell. They snap into the proximal brim of the footshell.
1. Cut the foam cover to length, allowing for distal compression about 0.4 in (10 mm) for transtibial
and about 1.6 in (40 mm) for transfemoral covers.
2. With the connection cap attached to the footshell, pull the foam cover over the prosthesis, re-
assemble the foot and mark the outer contours of the connection cap.
3. Remove the connection cap and clean the foam cover with Isopropyl Alcohol 634A58.
4. Apply 636N9 Otto Bock Contact Adhesive or 636W17 Plastic Adhesive to the distal end of the
foam cover and to the connection cap.
5. Allow the adhesive to dry (approx. 10 minutes) and cut out a space in the distal foam cover
with a grinding and milling machine to allow for precise fit for the upper part of the adapter.
Sufficient space should be available for the adapter to ensure proper function and eliminate
noise during walking.
6. Assemble the foam cover and finish off the outer shape of the foam cover in usual way with
carbon foot installed. Any compression of the foam cover by cosmetic stockings or SuperSkin
needs to be taken into account.
6 Cleaning and Care
1. Clean with a damp, soft cloth and soap when needed.
2. Rinse the prosthesis component with clear fresh water.
3. Dry the prosthesis component with a soft cloth.
7 Maintenance Instructions
• Foot assembly should be inspected after 30 days (4 weeks) of use.
• Inspection of the entire prosthesis for wear during normal consultations.
• Footshell may require replacement if wear is excessive.
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