MAINTENANCE
Removing and Installing the Top Cover and Back Housing
Recommended tools: T-6 Torx bit, Torx driver, mini flat-tip screwdriver.
To remove the top cover from the unit
1. Place the unit facing down on clean work area.
2. Using the flat-tip screwdriver remove the label at the top of the unit (Logo
3. Clean the adhesive remains of the labels using alcohol.
4. Using the Torx driver with the T-6 Torx bit, unscrew the screw fastening the
5. Carefully remove the top cover from the unit.
To install the top cover
1. Position the top cover over the unit.
2. Verify that the cover is positioned correctly, the screw hole is aligned to the
3. Using the Torx driver with the T-6 Torx bit, screw with a torque of 3.0±0.5 in-lb
4. Glue a new label over the screw hole.
MTP850 TETRA Handportable Terminal / Basic Service Manual
label) to gain access to the single screw fastening the top cover.
top cover.
threads of the front housing and the external antenna connector is visible
through its dedicated hole.
(0.34±0.056Nm).
Figure 5 Top Cover Removal and Installation
6 - 9