Otto Bock 4R57 Instructions For Use Manual page 23

6.3 Installing prosthetic components
The pyramid adapter of the prosthetic component is fixed with the set screws
of the pyramid receiver of the rotation adapter.
Fitting:
► Use the torque wrench to tighten the set screws of the pyramid receiver
to 10 Nm.
Definitive assembly:
1) Secure the set screws with the adhesive.
2) Using the torque wrench, pre-tighten the set screws to 10 Nm and then
tighten to 15 Nm.
Alignment
The set screws in the pyramid receiver can be used to make static adjust­
ments during alignment, trial fittings and after the prosthesis is finished.
Replacement and disassembly
The set position of the prosthetic component can be maintained during
replacement or disassembly. In order to do this, unscrew the two set screws
that are screwed in the furthest but are not opposite each other.
Replacing set screws
Replace any set screws that are protruding or recessed too much with suit­
able ones. For approved set screws, see the section "Technical data" (see
page 25).
7 Handling
1) To release, press the release button on the side (see fig. 1 (1)) and
rotate the prosthesis.
→ The prosthesis can then be rotated from the initial position without
holding the button.
2) Upon reaching the initial position, the rotation movement is locked auto­
matically.
8 Maintenance
Annual safety inspections are recommended in the interest of the patient's
safety and in order to maintain operational safety.
9 Cleaning
1) Clean the product with a damp cloth and soap.
2) Rinse the product with clean, fresh water.
3) Dry the product with a soft cloth.
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