Replacing The Display And Connection Module - Otto Bock 490E75 Series Service Manual

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Additional installation versions
The push-button module can be attached to a tray (see Fig. 64). To do so, drill corresponding holes in the tray
and screw the holder to the tray.
The push-button module can be used in combination with a display module. To do so, attach the push-button
module to the LCD holder using a mirror support (see Fig. 65).
64
4.8.12

Replacing the display and connection module

Prerequisites:
Switch off the control device and deactivate the main fuse (see Page 15).
Tools: Allen wrenches, sizes 2.5, 3, 4, 5; open-ended wrench, size 10; torque wrench with Allen insert, size 5
Removing the display and connection module
1) Pull out the four locking pins on both sides of the cover (see Fig. 66, item 1).
2) Carefully lift off the cover of the module carrier (see Fig. 66).
3) INFORMATION: Note the installed position of the cable connections being loosened.
Disconnect all cables from the connection module (see Fig. 68 and 67). Remove or open additional cable attach-
ments if necessary (see Fig. 69).
4)
dule carrier. In this case, do not loosen the module carrier from the back support and continue with
Loosen and remove the screw and nut between the module carrier and clamp (see Fig. 70, item 1). Also remove
the clamp as you do so (see Fig. 70, item 2).
5) Loosen and remove the two screws and nuts between the retaining plate and module carrier (see Fig. 71, item 1).
6) Loosen and remove the two screws and nuts between the retaining plate and upper connecting tube (see Fig. 72,
item 2).
7) Remove the retaining plate (see Fig. 72, item 1). Then reinsert the screws into the upper connecting tube and
8) If necessary: Remove the connection module from the module carrier. To do so, loosen and remove the
two screws between the module carrier and connection module (see Fig. 73, item 1).
9) Loosen and remove the two screws between the holder and display module (see Fig. 74).
10) Disconnect the cable from the display module (see Fig. 75, item 1).
11) Loosen and remove the set screw and square nut under the arm support and remove the holder from the arm
support (see Fig. 76, item 1).
Installing the display and connection module
1) Slide the holder into the arm support and secure it with the set screw and square nut under the arm support (see
Fig. 76, item 1).
INFORMATION: All instructions for adjusting rails on arm supports are included in the instructions for
2) Connect the cable to the display module (see Fig. 75, item 1).
3)
4) Place the retaining plate onto the upper connecting tube of the back support, as far out as possible (see Fig. 72,
item 1).
490E75=0_C
65
Service work
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Ottobock | 39

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