Troubleshooting - Nabtesco NK-6 Symphony Mode D'emploi

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6. Troubleshooting

Status
The self-lock Check if body weight
cannot be is applied properly.
activated even if
the stance-
Check for proper
flexion rubber is
alignment.
adjusted.
Check if the foot is
appropriate.
The above measures
cannot resolve the
problem.
The joint does Check if the adjusting
not fully extend valve (E) on the
before the heel extension side of the
contacts to the hydraulic cylinder is
ground. not tightened
excessively.
The above measures
cannot resolve the
problem.
The self-lock is Check if smooth
not released heel-to-toe weight
unintentionally, shift is achieved
thereby causing while walking.
sticking.
Check for proper
alignment.
Check if the stance-
flexion rubber is stiff.
The above measures
cannot resolve the
problem.
The selective Check if the knee
lock cannot be joint is fully extended.
activated.
Check if the cosmetic
foam cover is not
involved.
The above measures
cannot resolve the
problem.
Abnormal noise Check if a foreign
or rattling object is caught in
occurred. the moving part.
Check if any parts
are missing.
Check if the stance-
flexion rubber is
deteriorated.
The above measures
cannot resolve the
problem.
Items to be
Countermeasures
checked
Teach the user how to
fully apply body weight
to the heel.
Adjust the alignment so
that body weight can be
fully applied to the heel
(See 3-2-1).
Select a foot with which
body weight can be fully
applied to the heel.
Contact your local sales
representative/dealer.
Loosen the adjusting
valve (E) on the
extension side.
Contact your local sales
representative/dealer.
Teach the user how to
walk to place sufficient
load on the toe when
pushing off the
prosthesis.
Adjust the alignment so
that body weight can be
fully applied to the toe
(See 3-2-1).
Tighten the stance-
flexion stiffness
adjusting screw.
Contact your local sales
representative/dealer.
When operating the
switch, fully extend the
knee.
Take care that the
cosmetic foam cover is
not caught.
Contact your local sales
representative/dealer.
Remove it.
Contact your local sales
representative/dealer.
Replace the stance-
flexion rubber (See 7-2).
Contact your local sales
representative/dealer.
EN – 20
P.22