Manual Number 9019161 Revision C, August 18, 2023 10
SECTION 3 INSTALLATION PROCEDURES
GENERAL INFORMATION
IMPORTANT: READ THIS ENTIRE SECTION PRIOR TO STARTING INSTALLATION!
This section contains interconnect diagrams, mounting dimensions and other information pertaining
to the installation of the MD23 FLEX
Custom Function Display. For specific pinout that uniquely
applies to each custom application, please refer to your custom User Guide, or to the CID
Requirements associated with your application.
PARTS LIST
When unpacking this equipment, make a visual inspection and notify the sender if there is any
evidence that damage may have incurred during shipment. The following parts are included:
Item Description MCIA Part Number
a. MD23 FLEX Custom Function Display 6420023-( )
b. Installation Manual 9019161
c. Electrical Connector Kit 9019162-1
i. 26-pin d-sub
ii. Size 22 contacts/sockets
iii. Backshell kit, quick-disconnect
iv. (4) #6-32 mounting screws
d. Pneumatic Connector Kit * 9019162-2
v. (2) Pneumatic Connectors, quick-disconnect
* pneumatic connector kit only included with the pitot/static version
Optional Equipment Available
a. Large Knob Kit 9019749-1
(0.57” dia x 0.67” long)
CABLE HARNESS
Construct the cable harness in accordance with the instructions below, including the Connector
Pinout shown in Figure 3.1, Table 3.2 or Table 3.3, and Harness Assembly per Figure 3.2. Installers
should follow industry-accepted practices regarding aircraft wiring and applicable regulatory
requirements and guidance. The instructions for constructing the cable harness as listed within this
manual were also used to construct the harness during environmental and electrical testing.
Alterations may invalidate environmental qualification and/or performance results.
Refer to Section 2.2 and 2.3 for planning unit location and cable routing guidelines.
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