Page 9-4
G900X/G950 Installation and Maintenance Manual – GCU 476
Revision D
190-00719-00
9.7 Mounting
Requirements
The GCU 476 is to be mounted using the GCU 476 Unit Rack, see Figure 9-1. Installer must fabricate
any additional mounting equipment needed, use outline and installation drawings for reference.
Figure 9-1. GCU 476 Unit Rack
9.8 Unit
Installation
The GCU 476 is installed by gently pushing the unit into the rack. A 3/32" hex drive tool is then used to
turn the jack screw clockwise until it is firmly seated into the rack, ensuring jack screw is not
over-tightened.
For final installation and assembly, refer to the outline and installation drawings shown in Appendix E of
this manual.
9.9 Continued
Airworthiness
Maintenance of the GCU 476 is “on condition” only.