190-02207-A2
GPS 175/GNX 375/GNC 355 Part 23 AML STC Maintenance Manual
Rev. 3
Page 6-10
6.6 Data Card/Flight Stream 510
6.6.1 Data Card/Flight Stream 510 Removal
1. Ensure the GPS 175/GNX 375/GNC 355 is powered off.
2. Remove the data card/Flight Stream 510 by pressing the card until it disengages and then pull the
card to remove it from the unit.
6.6.2 Data Card/Flight Stream 510 Re-installation
1. Insert the new data card/Flight Stream 510, with the label facing left, into the data card slot on the
front-right of the unit.
2. Push the card into the slot until it is fully inserted and locked into position.
6.7 GAE 12
6.7.1 GAE 12 Removal
1. Remove the GPS 175/GNX 375/GNC 355 in accordance with Section 6.1.1, 6.2.1, or 6.3.1.
2. Disconnect the four-conductor wire harness and the static pressure source tubing from the GAE.
3. Remove the two countersunk screws connecting the GAE to the backplate, as shown in Figure 6-5,
and remove the unit.
6.7.2 GAE 12 Re-installation
1. Mount the GAE to the backplate using the two countersunk screws as shown in Figure 6-5.
2. Torque screws to 8 in-lbf.
3. Attach the aircraft static pressure source to the GAE 12.
4. Inspect the four-conductor wiring harness and connector pins for damage, loose wiring, or
corrosion.
5. Plug the four-conductor wire harness into the connector on the GAE.
6. Verify that there are no sealants, fluids, or particles in the pneumatic lines or fittings. Also verify
that there are no pneumatic leaks by performing a static leak check.
Figure 6-5 GAE Assembly
