190-01115-01 G3X/G3X Touch Installation Manual - Installation Preparation
Rev. AC Page 2-24
2.4 Mechanical Considerations
This section presents all information required for planning the physical layout of the G3X installation.
2.4.1 Physical Specifications
Use Table 2-4 to determine panel requirements. All width, height, and depth measurements are taken with
unit rack (if applicable) and connectors. LRU dimensions are listed in each LRU section. Panel cutout
templates are available for the GDU 37X, GDU 45X, GDU 46X, GDU 470, GMC 305, and GMC 307 in
the respective LRU sections of this document. Cutout templates for the GDU 37X and GDU 4XX displays
are also available in digital form (.DXF files) from the G3X manuals download page on www.garm
in.com.
Table 2-4 G3X LRU Physical Specifications
LRU Width Height Depth Unit Weight
Weight of Unit and
Connector(s)
GAD 27
(Flaps/
Lights/Trim
Controller)
3.78 inches
[96.01 mm]
1.954 inches
[49.63 mm]
no connector
3.569 inches
[90.65 mm]
with connector
5.204 inches
[132.18 mm]
no connector
6.533 inches
[165.93 mm]
with connector
0.64 lbs
(0.29 kg)
0.97 lbs
(0.44 kg)
GAD 29
(ARINC 429
Adapter)
6.10 inches
[154.9 mm]
1.48 inches
[37.6 mm]
3.23 inches [82.0 mm]
no connector
5.10 inches [129.4 mm]
w/connector
5.54 inches 140.7 mm]
w/connector and CAN
terminator
0.38 lbs
(0.172 kg)
0.626 lbs
(0.284 kg)
GAP 26
-00, -10
(Air Data
Probe)
0.82 inches
[20.9 mm]
16.0 inches
[406.4 mm]
6.12 inches [157.7 mm]
-00 probe:
0.33 lbs
(0.15 kg)
-10 probe:
0.39 lbs
(0.18 kg)
NA
GAP 26
-20
(Air Data
Probe and
Heater
Control Box)
Probe
.82 inches
[20.9 mm]
Probe
16.0 inches
[406.4 mm]
6.12 inches [157.7 mm]
-20 probe:
0.39 lbs
(0.18 kg)
NA
Control Box
2.25 inches
[57.0 mm]
(includes
wiring
grommet and
screw heads,
but not
harness)
Control Box
1.11 inches
[28.2 mm]
Control Box: 4.55 inches
[115.6 mm]
-20 control box
0.36 lbs
(0.16 kg)
GDL 39R
5.00 inches
(127.0 mm)
1.63 inches
(41.35 mm)
6.17 inches (156.7 mm)
17.7 oz
(502 g)
19.5 oz
(552 g)
*weight includes nut plate
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