User's Manual

SYSTEM DESCRIPTION AND INSTALLATION MANUAL
TCAS 3000 Traffic Alert and Collision Avoidance System
34−43−23
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Page 7−1
15 Dec 2005
MAINTENANCE PRACTICES
1. General
This section provides instructions for removing, reinstalling, and adjusting each LRU of the
TCAS 3000 that has been previously installed by the aircraft manufacturer or completion
center. Where applicable, instructions for replacing lamps, knobs, and set screws are
included. Adjustment information is called out as required.
CAUTION: SHOULD ANY INSTALLATION CRITICAL CASES ARISE WITH THE
REINSTALLATION OF ANY UNIT, YOU MUST COMPLY 100 PERCENT WITH THE
INSTRUCTION.
CAUTION: TO PREVENT DAMAGE TO EQUIPMENT, TURN AIRCRAFT POWER OFF WHEN
REMOVING OR INSTALLING LRUS.
When removing or installing any TCAS LRU, prepare the aircraft for safe ground
maintenance. Open and tag all applicable system circuit breakers.
2. Equipment and Materials
CAUTION: BEFORE YOU USE A MATERIAL, REFER TO THE MANUFACTURERS’ MATERIAL
SAFETY DATA SHEETS FOR SAFETY INFORMATION. SOME MATERIALS CAN BE
DANGEROUS.
Maintenance materials identified with a ACSS Material Number (AMN) are given in Table 7− 1.
Table 7− 1. Materials
Name Description Source
HMN 9722878 Sealing compound,
temperature−resistant,
high−adhesion, two component,
polysulfide synthetic rubber
(MIL−S−8802, Type I −
dichromate cured sealing
materials, Class B1/2 −
spreadable) — PR−1422 (base
and accelerator)
Courtaulds Aerospace,
Glendale, CA
NOTES:
1. Equivalent alternatives are permitted for materials in this list.
2. The HMN codes in the list of materials identify the HMN given to each material.
No additional special equipment or materials, other than those commonly used in the shop,
are required to install the units in existing trays and clamps, and to adjust the system. Do not
over tighten mounting screws. Where torque values are not given, it is acceptable to finger
tighten the mounting screws.