Otto Bock 490E75 Series, Руководство по обслуживанию

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Service work
490E75=0_C Ottobock | 61
4.10.6 Replacement tasks on the caster wheel swing arm (rear-wheel drive RWD/front-wheel drive
FWD)
4.10.6.1 Replacing the caster wheel swivel lock
INFORMATION
The track stabiliser and caster wheel swivel lock use some of the same screw connections. Properly reattach the
shared screw connections immediately after completing any necessary replacement. Always observe the informa-
tion in both sections when replacing components.
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Prerequisites:
Optional: Move the seat to the lowest seat height (see Page 15).
Switch off the control unit and deactivate the main fuse (see Page 15).
If necessary: Remove the legrests.
Jack up the wheelchair (see Page 14).
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Tools: Medium slotted screwdriver; Allen wrench size 4; torque wrench with Allen insert size 4
Removing the caster wheel swivel lock
1) Remove the caster wheel (see Page 57).
2) Remove the caster fork with splash guard (optional) (see Page 59).
3) Loosen and remove the 2 screws on the bolt of the caster wheel swivel lock (see Fig. 126, item 1).
4) Loosen and remove the Bowden cable mounting with 1 screw on the caster wheel swing arm (see Fig. 126,
item 2).
5) Remove the drive wheel (see Page 45).
6) If necessary: Remove the drive wheel splash guard (see Page 45).
7) Loosen and remove the 2 screws of the control panel with 1 washer each (see Fig. 127, item 1).
8) Remove the control panel for the caster wheel swivel lock from the drive wheel splash guard (see Fig. 127,
item 2).
9) INFORMATION: Note the installed position of the Bowden cables and Bowden cable mountings.
Remove the caster wheel swivel lock with the Bowden cables. Remove additional Bowden cable mountings and
covers if necessary (see Page 18 ff).
10) Loosen and remove the 2 screws on the stopper of the caster wheel swivel lock (see Fig. 128/129, item 1).
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11) Remove the stopper of the caster wheel swivel lock from the caster fork (see Fig. 128/129, item 2).
Installing the caster wheel swivel lock
1) Position the stopper of the caster wheel swivel lock on the caster fork (see Fig. 128/129, item 2).
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3) Position the control panel for the caster wheel swivel lock on the drive wheel splash guard (see Fig. 127, item 2).
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5) Attach the drive wheel splash guard (see Page 45).
6) Attach the drive wheel (see Page 45).
7) Position the Bowden cables with the bolt for the caster wheel swivel lock according to their original installed
position. Attach the loosened Bowden cable mountings and covers (see Page 18 ff).
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item 2).
10) Install the caster fork with splash guard (optional) (see Page 59).
11) Attach the caster wheel (see Page 57).