PS Engineering PMA4000 Installation Manual - Manual (Page 7)

PS Engineering
PMA4000 Series Audio Selector Panel and Intercom System
Installation Manual
200-041-0002 Page 2-1 Rev 5, March 2007
Section II - Installation
2.1 GENERAL INFORMATION
2.1.1 SCOPE
This section provides detailed installation and interconnect instructions for the PS Engi-
neering PMA4000-TSO Series Audio Selector Panel/Intercom System, and PMA4000
w/IRS.
Please read this manual carefully before beginning any installation to prevent damage
and post installation problems. Installation of this equipment requires special tools and
knowledge. The equipment must be installed by an appropriately rated Certified Aircraft
Repair Station, in accordance with applicable regulations.
2.2 Unpacking and Preliminary Inspection
Use care when unpacking the equipment. Inspect the units and parts supplied for visible
signs of shipping damage. Examine the unit for loose or broken buttons, bent knobs, etc.
Verify the correct quantity of components supplied with the list in Section 1.6 (B). If any
claim is to be made, save the shipping material and contact the freight carrier. Do NOT
return units damaged in shipping to PS Engineering. If the unit or accessories shows any
sign of external shipping damage, contact PS Engineering to arrange for a replacement.
Under no circumstances attempt to install a damaged unit in an aircraft. Equipment re-
turned to PS Engineering for any other reason should be shipped in the original PS Engi-
neering packaging, or other UPS approved packaging.
2.3 Equipment Installation Procedures
2.3.1 Cooling Requirements
Forced-air cooling of the PMA4000 is not required. However the unit should be kept
away from heat producing sources (i.e. defrost or heater ducts, dropping resistors, heat
producing avionics) without adequate cooling air provided.
2.3.2 Mounting Requirements
The PMA4000 must be rigidly mounted to the instrument panel of the aircraft structure
and within view and reach of the pilot position(s). Installation must comply with FAA
Advisory Circular AC 43.13-2A. The unit may be mounted in any area where adequate
clearance for the unit and associated wiring bundle exist.
2.3.3 Mounting Hole configuration
For instrument panel mounting, make openings in the panel according to the templates
and drawing supplied. Depending on the instrument panel thickness, you may elect to use
the shim supplied for the best button depth and mechanical contact. See Appendix B for
mounting hole layout.