4-1-2 Adjusting the extension assist
MODE D'EMPLOI – À destination des prothésistes
Genou hydraulique à 6 axes NK-6 Symphony
Genou hydraulique à 6 axes NK-6
INSTRUCTION MANUAL – For Prosthetists
6-Bar Hydraulic Knee Joint NK-6 Symphony
CAUTION
6-Bar Hydraulic Knee NK-6
GEBRAUCHSANWEISUNG – Für Orthopädietechniker
6-gliedriges Hydraulik-Kniegelenk NK-6 Symphony
6-gliedriges Hydraulikknie NK-6
MANUAL DE INSTRUCCIONES – Para técnicos ortopédicos
CAUTION
Rodilla hidráulica de 6 ejes NK-6 Symphonyy
Rodilla hidráulica de 6 ejes NK-6
MANUALE DI ISTRUZIONI – Per protesisti
Articolazione del ginocchio idraulico a 6 assi NK-6 Symphony
Ginocchio idraulico a 6 assi NK-6
Increase stiffness
Fig. 10 How to Adjust the Extension Assist Spring
GEBRUIKSHANDLEIDING – Voor prothesisten
6-assige hydraulische knie NK-6 Symphony
6-assige hydraulische knie NK-6
P.15
spring
The extension assist spring keeps the knee
joint in the full extension when the
prosthesis is lifted from the floor.
▪ Adjust the adjusting bolt shown in Fig. 10
with a 2.5 mm hexagonal wrench.
▪ To increase the extension assist force,
turn the bolt clockwise. To reduce the
force, turn it counterclockwise.
If the extension assist force is too low for
the prosthesis, there is a possibility of
landing with the knee flexed, and the
user may fall down due to knee buckling.
Adjust the spring so that the foot can
contact to the ground with the knee fully
extended.
The adjusting screw has stoppers between
the maximum and minimum positions. It
can be adjusted in the range of about four
turns.
If the adjusting bolt is turned to an
excessively high torque, it may be
damaged.
IMPORTANT
The adjusting screw has been set to a
position which is common to most people
in the factory default setting. When you
are unable to find a suitable position, turn
the screw to reset the position to the
standard setting shown below.
Standard setting: A position obtained by
3 turning
counterclockwise
tightened position.
81-SS00084E (V.2) - 07/2021
EN – 13
Extension assist spring
Adjusting bolt
Decrease stiffness
from
fully
FR
1
EN
29
DE
57
ES
85
IT
113
NL
141
41