ENSTROM TH-28/480 Series Maintenance Manual
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ENSTROM TH-28/480 Series Maintenance Manual

Supplement 8 g1000h integrated flight deck system
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ENSTROM TH-28/480 SERIES MAINTENANCE MANUAL
SUPPLEMENT 8
G1000H INTEGRATED FLIGHT DECK SYSTEM
The Airworthiness Limitations Section is FAA approved and specifies
inspections and other maintenance required under 14 CFR §§ 43.16 and
91.403 of the Federal Aviation Regulations unless an alternative program
has been FAA approved.
Copyright 2014, 2018 by
The Enstrom Helicopter Corporation
nd
2209 22
Street
Menominee, Michigan 49858-3515
Telephone: 906-863-1200
Fax: 906-863-6821
UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED
Rev. 1, Jan 25/18
Page i
Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

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Summary of Contents for ENSTROM TH-28/480 Series

  • Page 1 ENSTROM TH-28/480 SERIES MAINTENANCE MANUAL SUPPLEMENT 8 G1000H INTEGRATED FLIGHT DECK SYSTEM The Airworthiness Limitations Section is FAA approved and specifies inspections and other maintenance required under 14 CFR §§ 43.16 and 91.403 of the Federal Aviation Regulations unless an alternative program has been FAA approved.
  • Page 2 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System INTENTIONALLY LEFT BLANK UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED May 14/14 Page ii Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 3: Recommended Change Report

    This maintenance manual is prepared and distributed by The Enstrom Helicopter Corporation and is intended for use by personnel responsible for maintaining Enstrom TH-28, 480, and 480B helicopters. This manual is periodically revised. If, in the opinion of the user, any information has been omitted or requires clarification, please direct your comments to Enstrom via this form (duplicate) or other similar form.
  • Page 4 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System INTENTIONALLY LEFT BLANK UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED May 14/14 Page iv Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 5: Record Of Revisions

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System RECORD OF REVISIONS ISSUE DATE ISSUE DATE DATE INSERTED DATE INSERTED Jan 25/18 Jan 25/18 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Rev. 1, Jan 25/18 Page v Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 6 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System INTENTIONALLY LEFT BLANK UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED May 14/14 Page vi Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 7: Table Of Contents

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System TABLE OF CONTENTS Chapter Page Cover Page ..............................i Recommended Change Report ......................... iii Record of Revisions ........................... v Table of Contents ............................vii List of Figures ............................x List of Tables ..............................
  • Page 8 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System     GIA 63H Integrated Avionics Unit (Figure 21) ................ 1-32     GRS 77H AHRS (Figure 22, Figure 23) ................. 1-33     GMU 44 Magnetometer (Figure 24) ..................1-35  ...
  • Page 9 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System     Servicing, Troubleshooting, and Periodic Inspections ............4-3     4.3.1 Servicing ............................ 4-3     4.3.2 Troubleshooting ......................... 4-3     4.3.3 Periodic Inspections ........................4-3  ...
  • Page 10 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System LIST OF FIGURES Figure 1. G1000H Installation Block Diagram ................... 1-2  Figure 2. G1000H System LRU Installation Reference ................1-3  Figure 3. Instrument Panel Mounted LRUs and Caution/Warning System Annunciators ......1-3 ...
  • Page 11 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System LIST OF DIAGRAMS Diagram 1-1. G1000H Power Distribution Interface ................1-55 Diagram 1-2. G1000H Interface ....................... 1-59 Diagram 1-3. G1000H Case Bonding and Grounding Interface .............. 1-79 Diagram 1-4. G1000H Audio Panel Interface ..................1-83 Diagram 1-5.
  • Page 12 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System INTENTIONALLY LEFT BLANK UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Rev. 1, Jan 25/18 Page xii Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 13 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System EFFECTIVE PAGE LIST Page Date Page Date Jan 25/18 1-31 May 14/14 May 14/14 1-32 Jan 25/18 May 14/14 1-33 Jan 25/18 May 14/14 1-34 May 14/14 Jan 25/18...
  • Page 14 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System EFFECTIVE PAGE LIST Page Date Page Date 1-79 May 14/14 May 14/14 1-80 May 14/14 May 14/14 1-81 May 14/14 May 14/14 1-82 May 14/14 May 14/14 1-83...

  • Page 15: Introduction

    Supplement 5, or 28-AC-051 Rotorcraft Flight Manual Supplement for GMA 350H operation. Aircraft Effectivity The data presented in this TH-28/480 Series Maintenance Manual Supplement is applicable to all 480B model helicopters. UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Rev. 1, Jan 25/18 Page xv Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 16: Supplemental Changes And Revisions

    Information Letters and Service Directive Bulletins are also located under the Tech Publications section of the website. Enstrom distributes maintenance manual reissues and revisions in hardcopy form via mail to owners and operators who are registered with Enstrom. Notice of recently released Service Information Letters and Service Directive Bulletins is provided via a postcard mailing.

  • Page 17: Application Of Warnings, Cautions, And Notes

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Application of Warnings, Cautions, and Notes Throughout this supplement, it is necessary to highlight or emphasize important points to avoid injury to personnel, damage to equipment, or unnecessary confusion while performing maintenance procedures.
  • Page 18 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System INTENTIONALLY LEFT BLANK UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Rev. 1, Jan 25/18 Page xviii Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 19: System Description

     (optional) KN 63 Distance Measuring Equipment (DME) (see Chapter 5)  (optional) GMA 350H Audio Panel (see TH-28/480 Series Maintenance Manual Supplement 5, Chapter 9) The G1000H system block diagram is shown in Figure 1. Figure 2 shows LRU installation locations or references to the applicable figure for additional component installation detail.

  • Page 20: Figure 1. G1000H Installation Block Diagram

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Figure 1. G1000H Installation Block Diagram UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Rev. 1, Jan 25/18 Page 1-2 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 21: Figure 2. G1000H System Lru Installation Reference

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Figure 2. G1000H System LRU Installation Reference Figure 3. Instrument Panel Mounted LRUs and Caution/Warning System Annunciators UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Rev. 1, Jan 25/18 Page 1-3...

  • Page 22: Figure 4. Upper Console Mounted Lrus

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Figure 4. Upper Console Mounted LRUs Figure 5. Keel Mounted LRUs (bottom view of keel) UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED May 14/14 Page 1-4 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 23: Figure 6. Antenna Installations

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Figure 6. Antenna Installations UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Rev. 1, Jan 25/18 Page 1-5 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 24: Gdu 1040H Displays (Pfd/Mfd)

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System GDU 1040H Displays (PFD/MFD) The GDU 1040H provides a central display and user interface for the G1000H Integrated Flight Deck. A GDU 1040H can be configured as either a PFD or an MFD through the aircraft wiring.

  • Page 25: Gea 71H Engine Aircraft I/O Unit

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System  A VOR/ILS localizer receiver that provides tuning from 108.00 to 117.95 MHz in 50 kHz increments.  An ILS glideslope receiver that provides tuning from 328.6 to 335.4 MHz as paired with the frequency tuned on the VOR/ILS localizer receiver.

  • Page 26: Grs 77H Ahrs With Gmu 44 Magnetometer

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System ICAO 24-bit aircraft address and other aircraft information sent to the Secondary Surveillance Radar system. The GTX 33H with extended squitter (ES) enabled provides ADS-B technology that improves situational awareness and flight safety. With ADS-B capabilities, position, velocity, and heading information are automatically transmitted to other aircraft and ground stations.

  • Page 27: Gdc 74H Air Data Computer With Gtp 59 Oat Probe

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System The GRS 77 AHRS provides the following information in ARINC 429 format:  Aircraft heading, pitch, and roll angles  Aircraft yaw, pitch, and roll rates  Aircraft body-axis accelerations ...
  • Page 28 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System The GDC 74H provides the following information in ARINC 429 format:  Air Temperature (total air temperature, outside/static air temperature)  Corrected Static Pressure  Density Altitude ...

  • Page 29: Caution And Warning System

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Caution and Warning System The caution and warning system includes the following:  Master caution annunciator/switch and warning annunciators located on the instrument panel (see Figure 3. Instrument Panel Mounted LRUs and Caution/Warning System Annunciators) ...

  • Page 30: Vendor Publications

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Vendor Publications The following components listed in Table 1 are to be operated and maintained I/A/W the current vendor’s instructions to ensure the continued airworthiness of the aircraft: Table 1.

  • Page 31: G1000H Software Versions

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System G1000H Software Versions Table 2. Software Versions COMPONENT IDENTIFICATION SOFTWARE VERSION GDC 74H GDU 1040H PFD, MFD GEA 71H Engine I/O For P/N 4220650-1, GIA 63H COM Integrated Avionics Unit See 28-AC-060;...

  • Page 32: Airworthiness Limitations

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System SECTION 2 AIRWORTHINESS LIMITATIONS Airworthiness Limitations The Airworthiness Limitations Section is FAA approved and specifies inspections and other maintenance required under 14 CFR §§ 43.16 and 91.403 of the Federal Aviation Regulations unless an alternative program has been FAA approved.

  • Page 33: Servicing, Troubleshooting And Periodic Inspection

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System SECTION 3 SERVICING, TROUBLESHOOTING, AND PERIODIC INSPECTIONS Servicing, Troubleshooting and Periodic Inspection Servicing The G1000H system LRUs contain no user serviceable components or assemblies. Operations involving the removal of the G1000H LRUs must be done by authorized maintenance technicians.

  • Page 34: G1000H Controls

    MFD. The G1000H system controls include knobs, keys, and joystick located on the PFD and MFD bezels. Basic interaction and functionality will be discussed in this section. Refer to the Enstrom 480/480B RFMS for detailed operating instructions of the G1000H system. G1000H Controls Figure 7.
  • Page 35 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System 4. Heading Knob Turn to manually select a heading. Press to display a digital heading momentarily to the left of the HSI and synchronize the Selected Heading to the current heading 5.

  • Page 36: Secure Digital Cards

    G1000H LRUs. Not all SD cards are compatible with the G1000H. Only Sandisk cards are approved for use with the G1000H. Use only SD cards supplied by Enstrom. Basically, all software and configuration parameters are pre- determined by Garmin and/or the OEM. During removal and replacement of LRUs, software and configuration files may need to be reloaded.

  • Page 37: Softkey Function

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Remove an SD card: Ensure that the G1000H system is powered off. Gently press on the SD card to release the spring latch and eject the card. Figure 9. Display Bezel SD Card Slots Softkey Function The softkeys are located along the bottom of the displays.

  • Page 38: System Status Page

    LRUs. Pertinent information on all system databases is also displayed. Active LRUs are indicated by green check marks and failed LRUs are indicated by red “X”s. Failed LRUs should be noted and an Enstrom service center dealer informed. The system status page can be accessed by entering configuration mode.

  • Page 39: G1000H Modes Of Operation

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System G1000H Modes of Operation 1.4.5.1 Normal Mode The G1000H normal system mode is automatically entered when power is applied to the system. Refer to the G1000H RFMS to operate the G1000H system in normal mode.
  • Page 40 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Configuration pages are grouped according to function. The active page title is displayed at the top of the screen in the center. In the bottom right corner of the screen, the current configuration page group, number of pages available in the group, and placement of the current page within the group are indicated by icons.

  • Page 41: Figure 12. 'Set' And 'Active' Commands

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System 1.4.5.6 ‘Set’ and ‘Active’ Commands The SET and ACTIVE commands on various configuration pages are used for setting input/output conditions (Figure 12. ‘Set’ and ‘Active’ Commands). Figure 12. ‘Set’ and ‘Active’ Commands When troubleshooting the system, the technician can look for inequalities (configuration mismatches) between the SET and ACTIVE columns.

  • Page 42: Figure 13. Configuration Status Prompts

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System 1.4.5.7 Configuration Status Whenever configuration settings are changed, the technician receives on-screen prompts and/or confirmation similar to those shown in Figure 13. Configuration Status Prompts. Figure 13. Configuration Status Prompts 1.4.5.8 LRU Status...

  • Page 43: System Maintenance

    Removal or installation of equipment will change the aircraft empty weight and empty weight c.g. These changes will be recorded on Form F-511-5, Basic Weight and Balance Record, as required (reference Enstrom 480B Series Maintenance Manual). UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Rev.

  • Page 44: Table 4. Dc Power Distribution

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Table 4. DC Power Distribution Circuit Breaker Name Circuit Breaker Rating Circuit Breaker Location MAIN GEN 10 Amps Main C/B and Switch Panel IGN EXCITE 2 Amps 28 VDC BUS SWITCHES...

  • Page 45: Figure 16. Circuit Breaker, Switch, And Alert Panel

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Figure 16. Circuit Breaker, Switch, and Alert Panel UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Rev. 1, Jan 25/18 Page 1-27 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 46: Figure 17. Emergency Circuit Breaker Panel

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Figure 17. Emergency Circuit Breaker Panel Figure 18. GDU 1040H Installation and Removal UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED May 14/14 Page 1-28 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 47: Gdu 1040H Mfd/Pfd (Figure 18)

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System GDU 1040H MFD/PFD (Figure 18) 1.5.1.1 Scheduled Maintenance There is no scheduled maintenance for the GDU 1040H. Maintenance is “On Condition Only”. 1.5.1.2 Removal Remove power to the GDU 1040H. Pull the PFD and/or MFD circuit breakers out (emergency circuit breaker panel also).

  • Page 48: Gdu 1040H Mfd/Pfd Cooling Fan (Figure 19, Figure 20)

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System GDU 1040H MFD/PFD Cooling Fan (Figure 19, Figure 20) 1.5.2.1 Scheduled Maintenance There is no scheduled maintenance for the cooling fan. Maintenance is “On Condition Only”. 1.5.2.2 Removal Remove power to the GDU 1040H cooling fan(s).

  • Page 49: Figure 20. Pfd/Mfd Cooling Fan Installation

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Figure 20. PFD/MFD Cooling Fan Installation Figure 21. GIA 63H Installation and Removal UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED May 14/14 Page 1-31 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 50 (GIA 63H #1) Access the GIA 63H #1 by removing the MFD (para. 1.5.1.2). (GIA 63H #2) Access the GIA 63H #2 by removing the copilot side keel access panel (TH-28/480 Series Maintenance Manual (MM), para. 8-14, B). Loosen the install screw.
  • Page 51 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System GRS 77H AHRS (Figure 22, Figure 23) 1.5.4.1 Scheduled Maintenance The GRS 77H utilizes an earth magnetic field model which is updated once every five years. The update is expected to be available from Garmin by July 1 of each of the following years: 2010, 2015, and every five years thereafter, as long as the GRS 77 remains a Garmin supported product.

  • Page 52: Figure 22. Grs 77H

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Perform the GRS 77H testing and calibration procedures in accordance with Section 6 of the G1000H Integrated Avionics System Standard Maintenance Manual. Figure 22. GRS 77H Figure 23. GRS 77H Installation...
  • Page 53 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System GMU 44 Magnetometer (Figure 24) 1.5.5.1 Scheduled Maintenance There is no scheduled maintenance for the GMU 44. Maintenance is “On Condition Only”. NOTE Do not use a magnetic screwdriver or steel screws to mount the GMU44 or the cover plate.

  • Page 54: Figure 24. Gmu 44 Installation And Removal

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Figure 24. GMU 44 Installation and Removal UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED May 14/14 Page 1-36 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 55 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System GDC 74H Air Data Computer (Figure 25) 1.5.6.1 Scheduled Maintenance The GDC 74H is subject to conditional maintenance with the exceptions described in Section 7 of the G1000H Integrated Avionics System Standard Maintenance Manual.

  • Page 56: Figure 25. Gdc 74H Installation And Removal

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Figure 25. GDC 74H Installation and Removal UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED May 14/14 Page 1-38 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 57 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System GEA 71H Engine and Airframe (Figure 26) 1.5.7.1 Scheduled Maintenance There is no scheduled maintenance for the GEA 71H. Maintenance is “On Condition Only”. 1.5.7.2 Removal Remove power to the GEA 71H. Pull the PFD, EIS 1, and EIS 2 circuit breakers out (PFD, EIS 1, and EIS 2 circuit breakers are also located on the emergency circuit breaker panel).

  • Page 58: Figure 26. Gea 71H Installation And Removal

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Figure 26. GEA 71H Installation and Removal Figure 27. GTX 33H Installations and Removal UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED May 14/14 Page 1-40 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 59 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System GTX 33H Transponder (Figure 27) 1.5.8.1 Scheduled Maintenance The GTX 33H is subject to conditional maintenance with the exception described in Section 7 of the G1000H Integrated Avionics System Standard Maintenance Manual.

  • Page 60: Figure 28. Signal Conditioner Installation And Removal

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System ST 32 Signal Conditioner (Figure 28) 1.5.9.1 Scheduled Maintenance There is no scheduled maintenance required for the ST 32 Signal Conditioners. Maintenance is “On Condition Only”. 1.5.9.2 Removal Remove power to the GEA 71H.

  • Page 61: Figure 29. Avionics Cooling Fan Installation

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Avionics Cooling Fan 1.5.10.1 Scheduled Maintenance There is no scheduled maintenance required for the avionics cooling fan. Maintenance is “On Condition Only”. 1.5.10.2 Removal Remove power to the avionics cooling fan. Pull the AVIONIC CF circuit breaker out.
  • Page 62 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Crew Alerting System 1.5.11.1 Functional Test Rotor RPM and Engine Out Annunciators; Engine, Main and Tail Rotor Transmission Chip Detector CAS Alerts; Engine Oil Pressure and DC Generator CAS Alerts Verify all circuit breakers are closed (push in).
  • Page 63 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System (17) Verify an audible ping is heard in the crew headset. (18) Acknowledge by pressing the MASTER CAUTION annunciator/ switch. (19) Verify the MASTER CAUTION annunciator is extinguished and ENG OIL PRESS and DC GENERATOR CAS alerts are steady on.
  • Page 64 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Cool the engine oil temperature probe to 212°F/100°C Verify the ENG OIL TEMP CAS alert is extinguished. Reinstall the engine oil temperature probe. C. Main Rotor Transmission Oil Temperature CAS Alert Remove the transmission oil temperature probe and heat probe to 225°F/107°C.
  • Page 65 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Low Fuel CAS Alert Remove connector J134 and jumper pins 1 and 2 together. Verify that the FUEL LOW CAS alert and the MASTER CAUTION annunciator is flashing.
  • Page 66 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Acknowledge by pressing the MASTER CAUTION annunciator/ switch. Verify the MASTER CAUTION annunciator is extinguished and ENG INLET AIR CAS alert is steady on. Remove jumper and reconnect J69 connector.
  • Page 67 TOT MISCOMPARE CAS alerts are extinguished. TOT Exceedance CAS Alert Drive TOT indication to 1,702°F/928°C using the TOT Calibration Check (reference the TH-28/480 Series Maintenance Manual, paragraph 7-45). Verify that the TOT EXCEEDANCE CAS alert and the MASTER CAUTION annunciator is flashing.
  • Page 68 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System PFD Cooling Fan CAS Alert Pull PFD FAN (CB155) circuit breaker. Verify that the PFD FAN CAS alert and the MASTER CAUTION annunciator is flashing. Verify an audible ping is heard in the crew headset.
  • Page 69 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Verify the MASTER CAUTION annunciator is extinguished and AVI FAN FAIL CAS alert is steady on. Push in AVIONIC CF (CB154) circuit breaker. Verify the AVI FAN FAIL CAS alert is extinguished.
  • Page 70 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Q. Engine Anti-Ice CAS Message Turn the Anti-Ice switch to the ON position. Verify that the ENG ANTI-ICE CAS message is displayed. Turn the Anti-Ice switch to the OFF position.
  • Page 71 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System SECTION 6 ELECTRICAL WIRING DIAGRAMS G1000H System Wiring Diagrams Diagram Reference G1000H Interface P/N 4220650-1 P/N 4220650-3 Power Distribution G1000H Interface 1-10 Case Bonding and Grounding 1-11 Audio Panel...
  • Page 72 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System INTENTIONALLY LEFT BLANK UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED May 14/14 Page 1-54 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 73 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-1. G1000H Power Distribution Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192805-1 Rev. A) (Sheet 1 of 2) Rev. 1, Jan 25/18 Page 1-55 (1-56 Blank)
  • Page 74 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 75: Diagram 1-1. G1000H Power Distribution Interface

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-1. G1000H Power Distribution Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192805-1 Rev. A) (Sheet 2 of 2) Rev. 1, Jan 25/18 Page 1-57 (1-58 Blank)
  • Page 76 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 77: Diagram 1-2. G1000H Interface

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-2. G1000H Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192801-1 Rev. A) (Sheet 1 of 10) Rev. 1, Jan 25/18 Page 1-59 (1-60 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 78 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 79 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-2. G1000H Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192801-1 Rev. A) (Sheet 2 of 10) Rev. 1, Jan 25/18 Page 1-61 (1-62 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 80 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 81 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-2. G1000H Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192801-1 Rev. A) (Sheet 3 of 10) Rev. 1, Jan 25/18 Page 1-63 (1-64 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 82 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 83 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-2. G1000H Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192801-1 Rev. A) (Sheet 4 of 10) Rev. 1, Jan 25/18 Page 1-65 (1-66 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 84 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 85 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-2. G1000H Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192801-1 Rev. A) (Sheet 5 of 10) Rev. 1, Jan 25/18 Page 1-67 (1-68 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 86 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 87 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-2. G1000H Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192801-1 Rev. A) (Sheet 6 of 10) Rev. 1, Jan 25/18 Page 1-69 (1-70 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 88 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 89 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-2. G1000H Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192801-1 Rev. A) (Sheet 7 of 10) Rev. 1, Jan 25/18 Page 1-71 (1-72 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 90 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 91 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-2. G1000H Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192801-1 Rev. A) (Sheet 8 of 10) Rev. 1, Jan 25/18 Page 1-73 (1-74 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 92 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 93 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-2. G1000H Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192801-1 Rev. A) (Sheet 9 of 10) Rev. 1, Jan 25/18 Page 1-75 (1-76 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 94 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 95 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-2. G1000H Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192801-1 Rev. A) (Sheet 10 of 10) Rev. 1, Jan 25/18 Page 1-77 (1-78 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 96 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 97 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Diagram 1-3. G1000H Case Bonding and Grounding Interface (Sheet 1 of 2) May 14/14 Page 1-79 (1-80 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 98 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 99 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Diagram 1-3. G1000H Case Bonding and Grounding Interface (Sheet 2 of 2) May 14/14 Page 1-81 (1-82 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 100 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 101 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-4. G1000H Audio Panel Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192807-1 Rev. A) (Sheet 1 of 2) Rev. 1, Jan 25/18 Page 1-83 (1-84 Blank)
  • Page 102 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 103: Diagram 1-4. G1000H Audio Panel Interface

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-4. G1000H Audio Panel Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192807-3 Rev. -) (Sheet 2 of 2) Rev. 1, Jan 25/18 1-85 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 104 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System INTENTIONALLY LEFT BLANK UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED May 14/14 1-86 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 105: Diagram 1-5. G1000H Interior Lighting Interface

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-5. G1000H Interior Lighting Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192808-1 Rev. -) Rev. 1, Jan 25/18 Page 1-87 (1-88 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 106 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 107: Diagram 1-6. G1000H Exterior Lighting Interface

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-6. G1000H Exterior Lighting Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192513-17 Rev. G) Rev. 1, Jan 25/18 Page 1-89 (1-90 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 108 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 109: Diagram 1-7. G1000H Hour Meter Interface

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-7. G1000H Hour Meter Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192508-53/-55 Rev. N) Rev. 1, Jan 25/18 Page 1-91 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 110 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System INTENTIONALLY LEFT BLANK May 14/14 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Page 1-92 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 111: Diagram 1-8. G1000H Day/Night Annunciator Dimmer Interface

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-8. G1000H Day/Night/Annunciator Dimmer Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192809-1 Rev. A ) Rev. 1, Jan 25/18 Page 1-93 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 112 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System INTENTIONALLY LEFT BLANK May 14/14 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Page 1-94 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 113: Diagram 1-9. G1000H Power Distribution Interface

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-9. G1000H Power Distribution Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192805-1 Rev. B) (Sheet 1 of 2) Rev. 1, Jan 25/18 Page 1-95 (1-96 Blank)
  • Page 114 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 115 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-9. G1000H Power Distribution Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192805-1 Rev. B) (Sheet 2 of 2) Rev. 1, Jan 25/18 Page 1-97 (1-98 Blank)
  • Page 116 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 117: Diagram 1-10. G1000H Interface

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-10. G1000H Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192801-3 Rev. A) (Sheet 1 of 10) Rev. 1, Jan 25/18 Page 1-99 (1-100 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 118 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 119 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-10. G1000H Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192801-3 Rev. A) (Sheet 2 of 10) Rev. 1, Jan 25/18 Page 1-101 (1-102 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 120 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 121 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-10. G1000H Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192801-3 Rev. A) (Sheet 3 of 10) Rev. 1, Jan 25/18 Page 1-103 (1-104 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 122 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 123 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-10. G1000H Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192801-3 Rev. A) (Sheet 4 of 10) Rev. 1, Jan 25/18 Page 1-105 (1-106 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 124 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 125 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-10. G1000H Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192801-3 Rev. A) (Sheet 5 of 10) Rev. 1, Jan 25/18 Page 1-107 (1-108 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 126 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 127 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-10. G1000H Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192801-3 Rev. A) (Sheet 6 of 10) Rev. 1, Jan 25/18 Page 1-109 (1-110 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 128 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 129 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-10. G1000H Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192801-3 Rev. A) (Sheet 7 of 10) Rev. 1, Jan 25/18 Page 1-111 (1-112 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 130 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 131 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-10. G1000H Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192801-3 Rev. A) (Sheet 8 of 10) Rev. 1, Jan 25/18 Page 1-113 (1-114 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 132 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 133 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-10. G1000H Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192801-3 Rev. A) (Sheet 9 of 10) Rev. 1, Jan 25/18 Page 1-115 (1-116 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 134 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 135 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-10. G1000H Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192801-3 Rev. A) (Sheet 10 of 10) Rev. 1, Jan 25/18 Page 1-117 (1-118 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 136 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 137: Diagram 1-11. G1000H Ground Interface

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-11. G1000H Ground Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192806-1 Rev. A) Rev. 1, Jan 25/18 Page 1-119 (1-120 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 138 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 139: Diagram 1-12. G1000H Interior Lighting Interface

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Diagram 1-12. G1000H Interior Lighting Interface UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED (Ref. 4192808-1 Rev. A) Rev. 1, Jan 25/18 Page 1-121 (1-122 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 140 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 141: Table 5. Gts 800 Vendor Manuals

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System GTS 800 TRAFFIC ADVISORY SYSTEM SECTION 1 SYSTEM DESCRIPTION 2.1 System Description The GTS 800 is a microprocessor-based LRU that uses active interrogations of Mode C transponders to provide Traffic Advisories (TA) to the pilot. The GTS 800 will be interfaced to the GTX 33H with extended squitter (which provides 1090 MHz ADS-B transmit capability) to add passive surveillance capability.
  • Page 142 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System SECTION 2 AIRWORTHINESS LIMITATIONS 2.2 Airworthiness Limitations The Airworthiness Limitations Section is FAA approved and specifies inspections and other maintenance required under 14 CFR §§ 43.16 and 91.403 of the Federal Aviation Regulations unless an alternative program has been FAA approved.
  • Page 143 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System SECTION 3 SERVICING, TROUBLESHOOTING, AND PERIODIC INSPECTIONS 2.3 Servicing, Troubleshooting, and Periodic Inspections 2.3.1 Servicing The GTS 800 contains no user serviceable components. 2.3.2 Troubleshooting Refer to Section 4, Troubleshooting, in the G1000H Integrated Avionics System Standard Maintenance Manual, 190-01739-00, and the electrical wiring diagrams in Section 5 of this chapter.
  • Page 144 Removal or installation of equipment will change the aircraft empty weight and empty weight c.g. These changes will be recorded on Form F-511-5, Basic Weight and Balance Record, as required (reference Enstrom 480B Series Maintenance Manual). 2.4 System Maintenance – GTS 800 2.4.1...

  • Page 145: Figure 30. Gts 800 Installation And Removal

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Install antenna COAX cable connections. Refer to the electrical interface (Diagram 2-1) or TAS information will be improperly displayed. Remove the cable tie or other similar device from the TAS circuit breaker stem and push the stem in to set the circuit breaker.
  • Page 146 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System INTENTIONALLY LEFT BLANK UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED May 14/14 Page 2-6 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 147 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System SECTION 5 ELECTRICAL WIRING DIAGRAMS UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED May 14/14 Page 2-7 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 148 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System INTENTIONALLY LEFT BLANK UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED May 14/14 Page 2-8 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 149 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Diagram 2-1. GTS 800 Traffic Advisory System Interface (Sheet 1 of 2) May 14/14 Page 2-9 (2-10 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 150 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 151 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Diagram 2-1. GTS 800 Traffic Advisory System Interface (Sheet 2 of 2) May 14/14 Page 2-11 (2-12 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 152 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 153: Table 6. Gdl 69Ah Vendor Manuals

    28-AC-062 Rotorcraft Flight Manual Supplement for GDL 69AH operation. NOTE For information regarding the GMA 350H audio panel, refer to either the GMA 350H electrical schematic (Diagram 1-4), the TH-28/480 Series Maintenance Manual Supplement 5, or 28-AC-051 Rotorcraft Flight Manual Supplement for GMA 350H operation.
  • Page 154 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System SECTION 2 AIRWORTHINESS LIMITATIONS 3.2 Airworthiness Limitations The Airworthiness Limitations Section is FAA approved and specifies inspections and other maintenance required under 14 CFR §§ 43.16 and 91.403 of the Federal Aviation Regulations unless an alternative program has been FAA approved.
  • Page 155 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System SECTION 3 SERVICING, TROUBLESHOOTING, AND PERIODIC INSPECTIONS 3.3 Servicing, Troubleshooting, and Periodic Inspections 3.3.1 Servicing The GDL 69AH contains no user serviceable components. 3.3.2 Troubleshooting Refer to Section 4, Troubleshooting, in the G1000H Integrated Avionics System Standard Maintenance Manual, 190-01739-00, and the electrical wiring diagrams in Section 5 of this chapter.
  • Page 156 Removal or installation of equipment will change the aircraft empty weight and empty weight c.g. These changes will be recorded on Form F-511-5, Basic Weight and Balance Record, as required (reference Enstrom 480B Series Maintenance Manual). 3.4 System Maintenance – GDL 69AH 3.4.1...

  • Page 157: Figure 31. Gdl 69Ah Installation And Removal

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Figure 31. GDL 69AH Installation and Removal UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED May 14/14 Page 3-5 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 158 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System INTENTIONALLY LEFT BLANK UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED May 14/14 Page 3-6 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 159 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System SECTION 5 ELECTRICAL WIRING DIAGRAMS UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED May 14/14 Page 3-7 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 160 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System INTENTIONALLY LEFT BLANK UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED May 14/14 Page 3-8 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 161 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Diagram 3-1. GDL69AH Datalink Receiver Interface May 14/14 Page 3-9 (3-10 Blank) Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 162 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 163: Table 7. Md302 Vendor Manuals

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System MD302 STANDBY ATTITUDE MODULE SECTION 1 SYSTEM DESCRIPTION 4.1 System Description The Mid-Continent MD302 Standby Attitude Module (SAM) is installed as part of G1000H configuration part number 4220650-3.
  • Page 164 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System SECTION 2 AIRWORTHINESS LIMITATIONS 4.2 Airworthiness Limitations The Airworthiness Limitations Section is FAA approved and specifies inspections and other maintenance required under 14 CFR §§ 43.16 and 91.403 of the Federal Aviation Regulations unless an alternative program has been FAA approved.
  • Page 165 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System SECTION 3 SERVICING, TROUBLESHOOTING, AND PERIODIC INSPECTIONS 4.3 Servicing, Troubleshooting, and Periodic Inspections 4.3.1 Servicing The MD302 contains an internal and field-replaceable Nanophosphate lithium-ion battery. If a unit has a battery pack warning, and the warning persists over subsequent dispatches, it should be replaced.
  • Page 166 G. Verify the basic operation of the unit and conduct a standard leak check of the pitot/static system per the TH-28/480 Series Maintenance Manual, Paragraph 7-68. UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Rev.

  • Page 167: Figure 32. Md302 Installation And Removal

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System When initially powering the unit, an error may occur if the unit has yet to be configured. Acknowledge the error and proceed to configure the unit in accordance with Figure 33 and the Configuration Set-Up instructions in the MD302 Series Installation Manual and Operating Instructions (reference Table 7).

  • Page 168: Figure 33. Md302 Configuration Set-Up (Reference 4192810-3 Rev. A)

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System Figure 33. MD302 Configuration Set-Up (Reference 4192810-3 Rev. A) UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Rev. 1, Jan 25/18 Page 4-6 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 169 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System SECTION 5 ELECTRICAL WIRING DIAGRAMS Diagram 4-1. MD302 Electrical Schematic (4192810-3 Rev. A) UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Rev. 1, Jan 25/18 Page 4-7 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.
  • Page 170 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System INTENTIONALLY LEFT BLANK UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Rev. 1, Jan 25/18 Page 4-8 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

  • Page 171: Table 8. Kn 63 Vendor Manuals

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System KN 63 DME SECTION 1 SYSTEM DESCRIPTION 5.1 System Description The KN 63 DME measures slant-range distance (aircraft to ground station). It is a remote mounted, 200 channel DME, employing a solid-state transmitter and large scale integrated circuit (LSI) technology.
  • Page 172 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System SECTION 2 AIRWORTHINESS LIMITATIONS 5.2 Airworthiness Limitations The Airworthiness Limitations Section is FAA approved and specifies inspections and other maintenance required under 14 CFR §§ 43.16 and 91.403 of the Federal Aviation Regulations unless an alternative program has been FAA approved.
  • Page 173 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System SECTION 3 SERVICING, TROUBLESHOOTING, AND PERIODIC INSPECTIONS 5.3 Servicing, Troubleshooting, and Periodic Inspections 5.3.1 Servicing The KN 63 contains no user serviceable components. The antenna should be kept clean. The range of the DME may be affected if the antenna is dirty (oil covered).
  • Page 174 Removal or installation of equipment will change the aircraft empty weight and empty weight c.g. These changes will be recorded on Form F-511-5, Basic Weight and Balance Record, as required (reference Enstrom 480B Series Maintenance Manual). 5.4 System Maintenance – KN 63 5.4.1...

  • Page 175: Figure 34. Kn 63 Installation And Removal

    Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System If necessary, the audio output may be adjusted as desired. (1) Remove the three screws that secure the rear plate (the third screw may be under a tamper seal) and the three screws that secure the dust cover.
  • Page 176 Enstrom TH-28/480 Series Maintenance Manual Supplement 8 G1000H Integrated Flight Deck System SECTION 5 ELECTRICAL WIRING DIAGRAMS Diagram 5-1. KN 63 Electrical Schematic (4192804-1 Rev. A) UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Rev. 1, Jan 25/18 Page 5-6 Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.

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