Table 1001 (Continued)
Troubleshooting Procedures
PROBABLE CAUSE AND FAULT
FAULT ISOLATION CORRECTIVE ACTION
4. Lumbar valve tube
a. Remove O-ring attaching lumbar valvebroken/ defective
tube to inflatable lumbar cushion.
b.
Install replacement lumbar valve assembly.
c.
Install lumbar control cable to lumbar valve assembly.
d.
Test for proper operation.
e.
If problem persists, go to step 5.
5. Lumbar cushion
a. Replace lumbar cushion assembly. assembly defective
b. Test for proper operation.
NOTE: Refer to REPAIR (Page Block 6000) for more detailed instructions on removal and installation of seat control components.
NOTE: For troubleshooting electronic customer-furnished equipment, please refer to the appropriate vendor-furnished maintenance documentation.
Page 1008
25-26-87
B/E AEROSPACE
COMPONENT MAINTENANCE MANUAL
MILLENNIUM. 88813 SERIES
SCHEMATIC AND WIRING DIAGRAMS
1. General
NOTE: Refer to the customer-furnished equipment maintenance documentation for appropriate troubleshooting and maintenance of customer-furnished electronics and electrical equipment used within these B/E Aerospace seating products.
A. Cable Routing
This section contains installation, maintenance and service procedures for properly routing and securing electrical cables on aircraft seating equipment. These general practices apply to all series of aircraft passenger seats manufactured by B/E Aerospace. Refer to aircraft manufacturer’s specifications for OEM requirements and more detail. For example:
OEM Specification Document
Boeing Electrical Bonding BAC5117
Installation of Electrical Wiring BAC5158
(1) Routing Principles
(a)
Cables shall be as accessible as possible to allow for ease of maintenance and inspection since most repairs are carried out on the aircraft.
(b)
Route cables to avoid possible damage from passenger contact, underseat carry on storage and shifting, spills, and/or mechanical movement of seat components. Refer to Figure 2001.
Page 2001
B/E AEROSPACE
COMPONENT MAINTENANCE MANUAL MILLENNIUM. 88813 SERIES
RECLINE MECHANISM STRUCTURE
Figure 2001
(c) When seat parts can rotate between each other, route the cables parallel to the rotation axis. Refer to Figure 2002.
Figure 2002
Page 2002
B/E AEROSPACE
COMPONENT MAINTENANCE MANUAL
MILLENNIUM. 88813 SERIES
(d)
Route cables to minimize the need for protective methods and materials like wrap or sleeves.
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