Replacing The Adjustment Tubes On The Seat Frame - Otto Bock discovery tmax Service Manual

3.5.1.2 Replacing the Adjustment Tubes on the Seat Frame

INFORMATION
If a push bar is installed, it needs to be replaced at the same time (see the next chapter).
Article Number
471C22=SS021
471C22=SS022
471C22=SS023
471C22=SS024
Article Number
471D22=SS022
471D22=SS023
471D22=SS024
471D22=SS025
* Seat width between the armrests, measured between the lateral guides of the armrest (lateral guides without optional seat
plates)
1) Loosen 4 x Allen head screws on each of the adjustment tubes at the front (see Fig. 5, item 1) and rear (see
Fig. 5, item 2).
2) Loosen 2 x Allen head screws with counter nuts on the adjustment tube of the central seat fork (see Fig. 5,
item 3).
3) Loosen 2 x Allen head screws with counter nuts on the adjustment tube of the locking mechanism (see Fig. 5,
item 4).
4) Push the adjustment tubes to the side and replace them one by one.
5) Symmetrically preinstall the adjustment tubes one by one in the desired width.
INFORMATION: The connection between the adjustment tube and frame always has to be realised on
both sides with 2 Allen head screws + washers (use inner 2 bores).
INFORMATION: If required, an asymmetry of 12.5 mm (1/2") is allowable when adapting the adjust­
ment tubes. The asymmetry must be on the same side on all adjustment tubes. However, the allow­
able adjustment range must not be exceeded.
6) Tighten all Allen head screws to the following torque values:
→ Item 1/2: 10 Nm
→ Item 3/4: Allen head screw – 8 Nm; counter nut – 10 Nm
discovery tmax
3
Adjustment Tube (for front/rear)*
for seat width 12"–16" / 30–40 cm
for seat width 14"–18" / 35–45 cm
for seat width 16"–20" / 40–50 cm
for seat width 18"–22" / 45–55 cm
Adjustment Tube (for seat fork/locking mechanism)*
for seat width 12"–16" / 30–40 cm
for seat width 14"–18" / 35–45 cm
for seat width 16"–20" / 40–50 cm
for seat width 18"–22" / 45–55 cm
Service Work
4
Quantity
2
2
2
2
Quantity
2
2
2
2
Ottobock | 9