Replacing The Front Cover - Otto Bock 490E75 Series Service Manual

Service work
4.6.2

Replacing the front cover

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.
Tools: Allen wrench size 3
Removing the front cover with external power supply receptacles
1) Fold up the seat (see Page 16).
2) Remove the battery cover (see Page 17).
3) Loosen and remove the 4 screws in the front cover (see Fig. 11/12, item 1).
4) NOTICE! Damage to the receptacles, the cables or the voltage converter due to improper removal of the
cover.
Carefully lift off the front cover and disconnect the cables from the receptacles (see Fig. 13, item 1).
5) Remove the front cover with the receptacles.
Installing the front cover with external power supply receptacles
1) NOTICE! Risk of material damage due to incorrect polarity. Note the "+" and "-" marking on the cables
and receptacles and reestablish the correct polarity.
Connect the cables for the external power supply to the receptacles on the front cover (see Fig. 13, item 1).
2) Carefully put on the front cover.
3)
4) Attach the battery cover (see Page 17).
5) Fold down the seat (see Page 16).
11
13
18 | Ottobock
12
490E75=0_C