Garmin 011-03094-20 - User Manual

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190-01639-00 May, 2017 Revision 6

GSU 75 ADAHRS

Installation Manual

340095

The document reference is online, please check the correspondence between the online documentation and the printed version.

Table of Contents

Default Chapter6
- Table of Contents6
Paragraph Page7
Section 1 GENERAL DESCRIPTION11
Section 1 GENERAL DESCRIPTION11
- Introduction11
- Figure 1-1. GSU 75 Unit View (in Rack)11
- Equipment Description12
Section 1 GENERAL DESCRIPTION13
- Interface Summary13
- Technical Specifications13
- Table 1-1 GSU 75 with 117-00608-00 Rack13
- Table 1-2 Physical Characteristics GMU 44 (011-00870-00, 011-00870-10)14
- Table 1-4 General Specifications15
- Table 1-5 Power Requirements15
- Certification16
- Table 1-7 TSO Authorizations for GSU 75 (011-03094-X0)16
- Table 1-8 TSO Deviations for GSU 75 (011-03094-X0)17
- Operating Instructions18
- Reference Documentation18
- Table 1-10 Referenced Publications18
Section 2 INSTALLATION OVERVIEW19
Section 2 INSTALLATION OVERVIEW19
- Introduction19
- Installation Materials19
- Table 2-1 GSU 75 Part Numbers19
- Table 2-2 GMU 44 Part Numbers19
- Table 2-3 GTP 59 Part Numbers19
- Equipment Available20
- Table 2-4 GSU 75 Accessories20
- Table 2-5 GMU 44 Accessories20
- Additional Equipment Required21
- Cabling and Wiring21
- Electrical Bonding21
Section 2 INSTALLATION OVERVIEW22
- Pneumatic Plumbing22
- Cooling Air22
- GTP 59 Icing22
- Figure 2-1 GSU 75 Air Hose Fitting Locations22
- Installation Approval Considerations for Pressurized Aircraft23
- Mounting Requirements24
- Figure 2-2 GSU 75 with Mounting Rack25
- Table 2-8 Recommended Distance from Magnetic Disturbances26
Section 3 INSTALLATION PROCEDURE28
Section 3 INSTALLATION PROCEDURE28
- Unpacking Unit28
- Wiring Harness Installation28
- Table 3-1 GSU 75 Pin Contact Part Numbers28
- Table 3-2 GMU 44 Pin Contact Part Number28
- Table 3-4 GMU 44 Recommended Crimp Tools29
- Table 3-3 GSU 75 Recommended Crimp Tools29
- Backshell Assembly and Installation30
- GSU 75/GMU 44 Interconnect Harness Fabrication Instructions30
- GSU 75/GTP 59 Interconnect Harness Fabrication Instructions31
- Table 3-5 Contents of GTP 59 Installation Kit (011-00978-00 )31
- Table 3-6 Parts Needed for GTP 59 to GSU 75 Installation (See Figure 3-2)31
Section 3 INSTALLATION PROCEDURE32
- Figure 3-1 Insulation to Pin/Socket Clearance32
- Figure 3-2 GTP 59 Sensor - GSU 75 Interconnect Harness33
- Figure 3-3 GTP 59 Outline and Installation Drawing34
- Pneumatic Connections35
- Figure 3-4 GSU 75 Air Hose Fitting Locations35
- Mounting Instructions36
- Figure 3-5 GSU 75 Mounting37
- Post Installation Configuration and Checkout38
- Continued Airworthiness38
Section 4 SYSTEM INTERCONNECTS39
Section 4 SYSTEM INTERCONNECTS39
- Pin Function List39
- Table 4-1 J751 Connector39
Section 4 SYSTEM INTERCONNECTS41
- Figure 4-2 Pigtail Connector J44141
- Table 4-2 J441 Pin Assignments41
- Power Functions42
- Table 4-3 GSU 75 Aircraft Power42
- Table 4-4 GMU 44 Input Power42
- Table 4-5 GSU 75 Magnetometer Power42
- Data Interfaces43
- Table 4-6 GSU 75 ARINC-42943
- Table 4-7 GSU 75 Configuration Module44
- Table 4-8 GSU 75 RS-232 I/O44
- Table 4-9 GMU 44 RS-232 I/O44
Table45
- GSU 75 Discrete Inputs45
- Table 4-10 GSU 75 RS-422 I/O45
- Table 4-12 GSU 75 Discrete Inputs45
- GSU 75 OAT (Outside Air Temperature) Probe46
- GSU 75 PPS (Pulse Per Second) Inputs46
- Table 4-13 GSU 75 OAT Probe I/O46
- Table 4-14 GSU 75 PPS Inputs46
Paragraph47
- GSU 75 ARINC 429 System ID Connections47
- GSU 75 System ID Inputs47
- Table 4-15. GSU 75 ARINC 429 System ID Connections47
- Table 4-16 GSU 75 System ID Inputs47
Procedure5-148
Section 5 POST INSTALLATION, CONFIGURATION, and CHECKOUT48
Procedure 5-148
Section 5 POST INSTALLATION, CONFIGURATION, and CHECKOUT PROCEDURE48
- Function Selector Switches and Display48
- Post-Installation Calibration Procedures48
- Table 5-1 Post-Installation Calibration Procedure Summary48
- Calibration Procedure A-1: Pitch/Roll Offset Compensation by Aircraft Leveling50
- Calibration Procedure A-2: Zero Pitch/Roll Offsets by Manual Entry51
Procedure5-152
Section 5 POST INSTALLATION, CONFIGURATION, and CHECKOUT52
- Calibration Procedure B: Magnetometer Calibration52
- Figure 5-1. Fixed-Wing and Helicopter Position Examples52
- Calibration Procedure C: Heading Offset Compensation54
- Calibration Procedure D: Engine Run-Up Vibration Test55
- Calibration Procedure E: Magnetometer Interference Test57
- Table 5-2 Fixed-Wing Aircraft Magnetometer Interference Test Sequence Example58
- Table 5-3 Helicopter Magnetometer Interference Test Sequence Example59
- Site Evaluation of Magnetic Disturbances for Magnetometer Calibration Procedure61
Appendix A ASSEMBLY and INSTALLATION DRAWINGS63
Appendix A ASSEMBLY and INSTALLATION DRAWINGS63
- Figure A-1 GSU 75 Outline Drawing63
- Figure A-2 GSU 75 Installation Drawing64
- Figure A-3 GMU 44 (-00) Mounting Rack65
- Figure A-4 GMU 44 (-10 and -20) Mounting Rack66
- Figure A-5 GMU 44 (-00 and -10) Top Mounted Installation67
- Figure A-6 GMU 44 (-00 and -10) Bottom Mounted Installation68
- Figure A-7 GMU 44 (-20) Top Mounted Installation69
- Figure A-8 GMU 44 (-20) Bottom Mounted Installation70
- Figure A-9 GMU 44 Connector Assembly71
- Figure A-10 GMU 44 Minimum Recommended Installation Clearance72
Appendix B INTERCONNECT DRAWING73
Appendix B INTERCONNECT DRAWING73
- Figure B-1 GSU 75 Example Interconnect73

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Summary

Section 1 General Description

1.2 Equipment Description

Details on the GSU 75 ADAHRS and GMU 44 Magnetometer.

1.4 Technical Specifications

Section 2 Installation Overview

2.11 Mounting Requirements

Guidelines for mounting the GSU 75 and GMU 44 units.

Section 3 Installation Procedure

3.2 Wiring Harness Installation

Steps for installing wiring harnesses and connectors.

3.6 Pneumatic Connections

3.7 Mounting Instructions

Specific instructions for mounting the GMU 44 and GSU 75.

3.8 Post Installation Configuration and Checkout

Steps for configuring and checking the installation after mounting.

Appendix A Assembly and Installation Drawings

Appendix B Interconnect Drawing

Section 4 System Interconnects

4.1 Pin Function List

Detailed list of pin functions for GSU 75 J751 connector.

4.2 Power Functions

4.3 Data Interfaces

Details on ARINC 429, RS-232, RS-422, and RS-485 interfaces.

Section 5 Post Installation, Configuration, and Checkout Procedure

5.2 Post-Installation Calibration Procedures

Summary of calibration procedures required before operation.

5.3 Calibration Procedure A-1: Pitch;Roll Offset Compensation by Aircraft Leveling

Step-by-step guide for aircraft leveling calibration.

5.4 Calibration Procedure A-2: Zero Pitch;Roll Offsets by Manual Entry

5.5 Calibration Procedure B: Magnetometer Calibration

Procedure for calibrating the magnetometer.

5.6 Calibration Procedure C: Heading Offset Compensation

5.7 Calibration Procedure D: Engine Run-Up Vibration Test

Procedure to validate installation vibration characteristics.

5.8 Calibration Procedure E: Magnetometer Interference Test

Procedure to test for magnetic interference affecting the unit.

5.9 Site Evaluation of Magnetic Disturbances for Magnetometer Calibration Procedure

Garmin 011-03094-20 Specifications

General

Brand	Garmin
Model	011-03094-20
Category	Avionics Display
Language	English

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