Ottobock 4R74 AL Gebrauchsanweisung Seite 9

► Apply the specified installation torque values.
► Observe the instructions for securing the screw connections and
the use of the correct length.
5.1 Mounting the adapter
> Recommended tools:
710D4 torque wrench, 636K13 Loctite®
1) If the pyramid receiver or the pyramid adapter is rotatable:
Place the pressure plate on the adapter.
2) Place the adapter on the connecting component.
3) Optional: Align the pyramid receiver or the pyramid adapter.
4) Secure the screws with Loctite®.
5) Screw in the 2 posterior countersunk head screws and tighten
them (mounting tightening torque: 12 Nm).
6) Screw in the 2 anterior countersunk head screws and tighten them
(mounting tightening torque: 12 Nm).
5.2 Connecting the pyramid adapter and pyramid receiver
The pyramid adapter is fixed with the set screws of the pyramid receiv­
er.
> Required tools and materials:
710D4 torque wrench, 636K13 Loctite®
1) Trial fitting:
Screw in the set screws.
Use the torque wrench to tighten the set screws (10 Nm).
2) Definitive mounting:
Use Loctite® to secure the set screws.
Screw in the set screws.
Pre-tighten the set screws with the torque wrench (10 Nm) and
then tighten them (15 Nm)
3) Replace any set screws that are protruding or recessed too much
with suitable ones (see selection table).
Selection table for set screws
Reference number
506G3=M8X12-V
506G3=M8X14
506G3=M8X16
Alignment
The set screws in the pyramid receiver can be used to make static
adjustments during alignment, trial fittings and after the prosthesis is
finished.
Replacement and disassembly
The set position of the prosthetic component can be maintained dur­
ing replacement or disassembly. In order to do this, unscrew the two
set screws that are screwed in the furthest and located next to each
other.
6 Cleaning
1) Clean the product with a damp, soft cloth.
2) Dry the product with a soft cloth.
3) Allow to air dry in order to remove residual moisture.
7 Maintenance
CAUTION
Failure to follow the maintenance instructions
Injuries due to changes in or loss of functionality and damage to the
product
► Observe the maintenance instructions.
► The prosthetic components should be inspected after the first 30
days of use.
► Inspect the entire prosthesis for wear during normal consultations.
► Conduct annual safety inspections.
Length (mm)
12
14
16
Ottobock | 9