190-01717-B1
G500/G600 TXi Part 23 AML STC Maintenance Manual
Rev. 1
Page 5-15
2. Disconnect electrical connector.
3. Disconnect Pitot-Static lines.
4. Loosen single mounting screw in endplate mount bracket.
5. Lift the side of the GDC 72 where the endplate mount bracket is attached and slide the unit
towards the bracket to disengage mounting pawls and remove unit.
5.4.2
Re-Installation
1. Place unit flat on mounting bracket and slide back to engage mounting pawls.
2. Engage mounting screw and torque screw to 15-20 LBF-IN.
3. Connect pitot-static lines.
4. Connect electrical connector.
5.4.3
Checkout
Perform a static and pitot system leak test in accordance with the aircraft manufacturers specification and/
or applicable regulations.
In accordance with 14 CFR Part 43 Appendix E, paragraph (b)(2), Garmin specifies a test procedure
equivalent to Part 43 Appendix E, paragraph (b)(1) with two exceptions. The tests of sub-paragraphs (iv)
(Friction) and (vi) (Barometric Scale Error) are not applicable because the digital outputs of the GDC 72
are not susceptible to these types of errors.
Perform checkout procedures in Section 5.15.2.
