(b)
Use suitable cushioning and wrapping materials for equipment protection.
NOTE: Cushioning and wrapping materials may vary, depending on the environment in which they are to be used.
2. Grounding of Seats and Seat Equipment
This section contains installation, maintenance and service procedures for properly grounding seats and seat electrical/electronic components.
Seat tracks on modern transport aircraft are not designed to carry ground. All electrical seat and seat related components should be grounded via the aircraft’s electrical system. Proper grounding and bonding techniques used on the metal portions of the seat group are essential to
NOTE: B/E Aerospace seating products are manufactured to conform to the aircraft manufacturer’s electrical grounding specifications that are/were current at the time of manufacture. Specifications continue to change, and not all products currently in service conform to present specifications. For information on upgrading seat electric/electronic equipment grounding to current manufacturing specifications, contact B/E Aerospace’s Seating Aftermarket Operations (SAO) for options and quotes. Although properly maintained seating products continue to meet certification, evolving OEM specifications may result in the application of different grounding specifications during a prolonged schedule of manufacture and delivery.
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B/E AEROSPACE
COMPONENT MAINTENANCE MANUAL MILLENNIUM. 88813 SERIES
(1) Grounding to A/C Electrical System
(a) Main static ground for the seat is the grounding connection through the seat-to-seat cable. This main static ground may be either a contact in the seat-to-seat connector or a #10 stud connected to a ground cable from the seat-to-seat cable. Refer to Figure 2011 for an example.
1 - ROTATING PHASE 115VAC
6 - STATIC GROUND 3 - ROTATING PHASE 115VAC
5 - DATA
Figure 2011
(b) Static ground connection to the ECU from ground stud(s) on the seat structure may be accomplished through a ground strap that is a component of the seat-to-seat wiring harness or via ground fittings on the ECU enclosure itself. Refer to Figure 2012 for an example.
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B/E AEROSPACE
COMPONENT MAINTENANCE MANUAL
MILLENNIUM. 88813 SERIES
BONDED TO SEAT PRIMARY GROUND
Figure 2012
(c) Ground stud(s) on the seat’s metallic frame provide for ground strap terminal connections. Refer to Figure 2013.
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