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SYSTEM DESCRIPTION AND INSTALLATION MANUAL
1. Overview
A. General
(1) This section provides instructions for removing, reinstalling, and adjusting the
HS--600 HSU, combiner, and/or splitter that has been previously installed by the
aircraft manufacturer or completion center. 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.
B. Equipment and Materials
(1) 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 adjust the
system. Do not over tighten mounting screws. Where torque values are not given, it
is acceptable to finger tighten the mounting screws.
2. Procedure for the HS- -600 HSU
A. Removal and Reinstallation Procedures
(1) Remove the HSU.
(a) Remove power from the HSU and the interfacing subsystems (such as SATCOM.
Circuit breakers for the systems are typically located on the flight deck.
(b) Loosen the mounting tray holddown clamps by rotating in a counterclockwise
direction.
(c) Slowly pull forward on the unit handle to separate the unit and tray connectors
and slide the unit out of the tray, lifting slightly to clear the holddown clamps.
(d) Place electrostatic protective covers on the HSU rear connector to protect the
pins from damage.
(e) Place the HSU in a protective static--resistant bag and protective carrying case.
Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.
HS--600 High Speed Data System
SECTION 7
MAINTENANCE PRACTICES
23- -20- -31
Page 7--1
30 May 2002
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