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V : CHECKING (See fig.12)
a) After fitting the socket, check that when flexed, this socket comes into contact with the hoop A1of the frame
before the hydraulic unit B comes up against the inside A2 of the frame.
b) Tighten the lock nut V.
c) Dismantel the tool for locking in rotation Z.
VI - ADJUSTMENT (See figures 13, 14 and 15)
Getting the perpendicularity of the hydracadence unit.
a) Keep the hydracadence unit vertical and make a mark with
a pencil at 12 mm in front of the articular center of the ankle
(figure 13).
b) Use the heel height adjustment knob B4 to modify the
place of the articular center of the knee (figure 14).
The articular center of the knee must be on the vertical line
crossing at the mark situated 12 mm in front of the ankle joint.
c) The prosthesis being still on an horizontal area, check with a
level that the upper face is perfectly horizontal. If necessary, modi-
fy the adjustment with the knee piston B1 (figure 15).
To do so :
- Loosen the nut B2.
- Turn the piston B1 with the special wrenches reference
5F01 and 5F04.
- When adjusted as required, retighten the nut B2.
IMPORTANT
After this adjustment, remove the smear on the small holes
located at the upper level of the piston rod B1.
d) Pace adjustment
To adjust the pace, use the red based knob B3.
- Turn clockwise to lock completely, then give 3 and half
wrench turns or 7 half-turns to open. Never exceed this
limit because it could damage the rubber gasket.
This is the limits of the adjustment. This adjustment will decrease
or increase the entry of the fluid, creating resistance or not.
e) Heel height adjustment
To change the height of the heel without altering the
perpendicular setting of the prosthesis (e.g. change of foot
wear), use the green knob B4.
A2
B4
D
Fig. 13
12mm
B4
B2
B1
B3
1P5099-R-09/04
Page 11/21
Fig. 12
B2
B1
A1
B
B3
Z
V
Fig. 14
Fig. 15
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