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Chapter 5: Mechanical Considerations
End-Cap
3. Install eight M3x6 T10 Torx screws to secure the back cover to the main housing. Torque
the screws to 5.0 in-lb (0.56 N-m) in the sequence indicated below to ensure a consistent
seal around the perimeter.
4. Install two M2x8 T6 Torx screws in the two mounting points at the top of the display on
the front of the unit. Torque the screws to 2.5 in-lb (0.28 N-m).
5.5.3
End-Cap
The following files show the dimensions and contours of the standard and GPS end-caps:
Table 5.21 Associated Files for Large Integrated Back Cover
2D line drawings of the end-cap with GPS antenna
3D CAD models of the end-cap with GPS antenna
2D line drawings of the standard end-cap
3D CAD model of the standard end-cap
The following fasteners are required to secure an end-cap to the standard back cover:
Table 5.22 Required Fasteners
End-Cap Module to Main Housing
To remove the existing end-cap:
1. If the existing end-cap contains a module connected to the main unit (such as the end-cap with
GPS antenna), you must first remove the back cover of your Omnii:
a. Remove the eight T10 Torx screws holding the back cover to the main housing.
b. Remove the two T6 Torx screws at the top of the display on the front of the unit.
c. Gently lift the back cover from the main housing to allow access to the cables that are
still attached.
d. Disconnect any cables attaching the back cover and end-cap to the main unit.
78
Psion Teklogix Omnii HDK User Manual
6
7
Description
How Used
3
1
8
5
4
2
Quantity Part Number Screw Size Torque
4
1005090
Filename
Endcap_GPS_2D.dwg
Endcap_GPS_2D.pdf
Endcap_GPS_3D.igs
Endcap_GPS_3D.stp
Endcap_Standard_2D.dwg
Endcap_Standard_2D.pdf
Endcap_Standard_3D.stp
(in-lb)
M3x5
5.0
T10
Bit
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