Ottobock 3R38 Gebrauchsanweisung Seite 11

3 Alignment (fig. 3)
4 Adjustment of the joints
4.1 Adjusting tension of the extension assist
Spring tension is adjusted by turning the adjustment nut (5) (fig. 4).
Turning clockwise
Turning counterclockwise
4.2 Adjusting the lock mechanism in 3R39
The 3R39 Modular Knee Joint has been factory inspected and set for imme-
diate use. The lock mechanism is adjustable with the screw. For adjustment
a 4 mm Allen wrench should be used (fig. 5).
Turn stop screw clockwise for more play.
Turn stop screw counterclockwise for less play.
Attention!
After adjustment by means of the stop screw has taken place,
make sure that the lock catches and that the joint is reliably
locked. Slight clearance does not result in functional disadvan-
tages.
Note
Use of the 710D1 Torque Wrench is strongly recommended.
Torque of clamping screw: 6 Nm/4.4 ft. lbf./53 lbf. in. (fig. 6)
Torque of adjustment screws 506G3=M6
- in the Tube Adapter 2R41=2:
- in the Tube Adapter 3R41=1:
- in the Tube Adapter 2R48:
Secure the screws by means of 636K13 Loctite.
= increased tension
= decreased tension
7 Nm/5.2 ft.lbf./62 lbf.in.
9 Nm/6.6 ft.lbf./80 lbf.in.
7 Nm/5.2 ft.lbf./62 lbf.in.
Ottobock | 11