Safety Accessories; Replacing The Curb Climbing Assist - Otto Bock 490E75 Series Service Manual

4.18

Safety accessories

4.18.1

Replacing the curb climbing assist

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).
Tools: Allen wrench size 5, 6; torque wrench with Allen insert size 5, 6; socket wrench extension
Removing the curb climbing assist
1) Remove both caster wheels (see Page 57).
2) Remove both suspensions / rigid elements and lower the caster wheel swing arms (see Page 63 ff.).
3) Loosen and remove the 4 screws between the curb climbing assist and adapter plate with 1 washer each (see
Fig. 246, item 1).
4) Pull the curb climbing assist forwards and remove it (see Fig. 246, item 2).
5) If necessary: Pull the adapter plate of the curb climbing assist backward and remove it (see Fig. 246, item 3).
INFORMATION: When rigid elements are used, the adapter plate is already loosened. When using sus-
pensions on the caster wheel swing arm, loosen and remove the front screw between the mobility base
Installing the curb climbing assist
1) If necessary: Insert the adapter plate of the curb climbing assist on the mobility base from the rear (see Fig. 137,
item 3).
INFORMATION: When using suspensions on the caster wheel swing arm, insert the front screw between
ments, the adapter plate is screwed on together with the rigid elements.
2) Set the curb climbing assist onto the adapter plate from the front (see Fig. 246, item 2).
3)
them (see Fig. 246, item 1).
4) Swivel the caster wheel swing arms upwards and install both suspensions/rigid elements (see Page 63 ff.).
5) Attach both caster wheels (see Page 57).
246
490E75=0_C
Service work
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