Garmin GPS 155 Repair Manual
Also see for GPS 155: Pilot's guide addendum
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Contents
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Figure 7RF/IF Assembly Removal3.2.6 Battery Pack (011-00067-00) Removal1. Remove the covers as described in Section 3.1.2. Remove the heat sink clamping bar (115-00049-00, see Figure 12-Detail A) by removing the M3 x 5mm mountingscrew (211-50227-05). (Note: Removal of the Altitude Decoder, Interface and Main Boards is not required toremove the battery pack from the unit.)3. Remove the heat sink insulator (250-00016-00) from the regulator I800 (see figure 12-Detail A) and save this piecefor later reassembly.4. Remove the two M3 x 5mm flat head screws (211-00024-00) which attach the CDU to the battery pack.5. Remove the three M3 x 5mm screws (211-50227-05) securing the battery pack to the chassis. (Note: One screwis recessed in a hole on the side of the battery pack.)6. Slide the battery pack cable and connector (P800) through the cutout in the chassis.3.2.7 Power/Dimmer Switch (011-CS032-00) Removal1. Remove the covers as described in Section 3.1.2. Remove the Control/Display Unit as described in Section 3.2.1.3. Remove the Main Board Sub-Assembly as described in Section 3.2.4.4. Remove the coupling sleeve (125-00021-00) by unscrewing the pivot pin screw (211-00030-00).5. Remove the hex nut securing the power/dimmer switch to the chassis. This nut is 7/16” and may be removedwith a deep, thin-walled 12-point socket.6. Slide the power/dimmer switch out of the mounting hole on the chassis.14012-00091-00012-00091-00 |
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