Usage instructions for NJ1 adaptive bike
15
(AF 5 mm) to 7 Nm torque and secure
them with thread lock fluid.
Figure 14: M6 clamp screws for angle and height
adjustment of the bottom bracket position
To
adjust the height
, two M6 clamp
screws (AF 5 mm) must be loosened on
the bottom bracket housing. Then the bot-
tom bracket housing can be moved along
the bottom bracket support to the desired
position. Then tighten up the four M6
clamp screws (AF 5 mm) to 7 Nm torque
and secure them with thread lock fluid.
For smaller adjustments to the height, infi-
nitely variable adjustments of +/- 25 mm
can be made on the bottom bracket sup-
port. To adjust the height, the two M6
clamp screws (AF 5 mm) must be loos-
ened on the bottom bracket support. Then
the bottom bracket support can be moved
in its mount to the desired position. Then
tighten the four M6 clamp screws (AF
5 mm) to 7
Nm torque and secure them
with thread lock fluid.
Figure 15: M6 clamp screws for adjusting the height
of the bottom bracket position
If you want to make a change to the bottom
bracket position, please contact your rehabilita-
tion specialist dealer or PRO ACTIV.
Please note that, after a large adjustment
to the chain bottom bracket position, the lines
and the cable lengths must be adjusted.
19.2.3 Crank length and grip width
The
crank length
can be chosen from different
lengths individually to suit the length of the
arms and mobility of the user. Different widths
of bottom bracket shafts and spacers between
the pedal cranks and the rotary axles of the
handles are available to adjust the
grip width
.
If you want to make a change to the crank
length or grip width, please contact your reha-
bilitation specialist dealer or PRO ACTIV.
Figure 16: Crank length and grip width
Grip width
Crank
length
Bottom bracket
shaft
Handle
rotary axle
Pedal
crank
M6 clamp screws on
the bottom bracket
housing (height
adjustment)
Clamp screws on the
clamp (angle adjustment)
M6 clamp screws on the
bottom bracket support
(height adju/-
25 mm)
