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Related Manuals for Midcontinent MD222 Series
Summary of Contents for Midcontinent MD222 Series
- Page 1 INSTALLATION MANUAL AND OPERATING INSTRUCTIONS MD222-( ) SERIES TWO-INCH COURSE DEVIATION INDICATOR Mid-Continent Instruments and Avionics Manual Number 9016311 9400 E. 34 Street N. Wichita, KS 67226 USA REV. D Aug. 7, 2007 Phone 316-630-0101 Fax 316-630-0723...
- Page 2 Rev. Date Detail Initial Release. 8/18/06 Glideslope and Nav warning indication method changed. Annunciations were added. Connector pin-out and outline drawings were revised. 4840 5/11/07 Update the DO-160 Qualification Form in the Appendix. Revise equipment limitation section 1.2.5. Change model number to MD222-( ).
- Page 3 TABLE OF CONTENTS SECTION 1 GENERAL DESCRIPTION INTRODUCTION TECHNICAL SPECIFICATIONS 1.2.1 PHYSICAL CHARACTERISTICS 1.2.2 ENVIRONMENTAL CHARACTERISTICS 1.2.3 ELECTRICAL CHARACTERISTICS 1.2.4 INTERFACE 1.2.5 EQUIPMENT LIMITATIONS 1.2.6 MAJOR COMPONENTS SECTION 2 INSTALLATION CONSIDERATIONS COOLING EQUIPMENT LOCATION ROUTING OF CABLES SECTION 3 INSTALLATION PROCEDURE GENERAL INFORMATION UNPACKING AND INSPECTING MOUNTING THE MD222-( )
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Page 4: Section 1 General Description
SECTION 1 GENERAL DESCRIPTION INTRODUCTION The Mid-Continent Instruments and Avionics MD222-( ) two-inch Course Deviation Indicators (CDI) are designed to operate with VHF and GPS navigational equipment to provide OMNI (VOR), GPS, LOCALIZER (LOC), and Glideslope (GS) information. The MD222-402 and 502 are designed to accept DC Left-Right, To-From and Nav valid signals from a GPS receiver or remote mounted VOR converter. - Page 5 1.2.3 ELECTRICAL CHARACTERISTICS 1.2.3.1 POWER OPERATING VOLTAGE: 10-32 VDC OPERATING CURRENT: 0.30 Amps 1.2.3.2 VOR/LOC/GPS OBS RESOLVER: Electrical zero: 300 degrees, ORZ DEVIATION: Input impedance: 1K ohms ±10. Deflection sensitivity: 150mV ±10 for full-scale deflection Input range (common mode/reference): 1.0 to 5.0 volts VALID SIGNAL: Input impedance: 1K ohms ±10...
- Page 6 1.2.3.3 GLIDESLOPE: (MD222-406 and 506 only) DEVIATION: Input Impedance: 1K ohms ±10 Deflection sensitivity: 150mV ±10 for full-scale deflection Input range (common mode/reference): 1.0 to 5.0 volts VALID SIGNAL: Input Impedance: 1K ohms ±10 Pointer out of view: <125mV ±10 Pointer in view: 260mV ±...
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Page 7: Equipment Limitations
1.2.5 EQUIPMENT LIMITATIONS REQUIREMENTS FOR VOR/ILS SYSTEM: 1. The navigation receiver shall be certified to the standards of TSO C40a/b/c or TSO C36c/d/e. REQUIREMENTS FOR GLIDESLOPE SYSTEM: 1. The glideslope receiver/converter shall be certified to the standards of TSO C34c/d/e. 2. -
Page 8: Section 2 Installation Considerations
SECTION 2 INSTALLATION CONSIDERATIONS COOLING No direct cooling is required. As with any electronic equipment, overall reliability may be increased if the MD222-( ) is not located near any high heat source or crowded next to other equipment. EQUIPMENT LOCATION The MD222-( ) course deviation indicator must be mounted as close to the pilot’s field of view as possible. -
Page 9: Section 3 Installation Procedures
SECTION 3 INSTALLATION PROCEDURES GENERAL INFORMATION This section contains interconnect diagrams, mounting dimensions and other information pertaining to the installation of the MD222-( ). After installation of cabling and before installation of the equipment, ensure that power is applied only to the pins specified in the interconnect diagram. - Page 10 FIGURE 3-1 REAR VIEW OF MATING CONNECTOR Connector Pin Out Pin # Pin # OBS Rotor H 14 NAV Annunciation OBS Rotor C 15 GPS Annunciation OBS Stator D 16 +To OBS Stator G 17 +From OBS Stator E 18 +GS Warning* OBS Stator F 19 -GS Warning* Reserved...
- Page 11 FIGURE 3-4 OUTLINE DRAWINGS 11 of 14 MANUAL P/N 9016311 Page REV. D Aug. 7, 2007...
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Page 12: Section 4 Post Installation Check
SECTION 4 POST INSTALLATION CHECK PRE-INSTALLATION TESTS With the MD222-( ) indicator disconnected, turn on the avionics master switch and verify that aircraft power on connector pin 12 is 14 VDC or 28 VDC. Using an ohmmeter, verify pin 13 is aircraft ground. DIMMING ADJUSTMENT During installation of the MD222-( ) course deviation indicator, check the brightness of the GPS, NAV, BC (if applicable) and VLOC annunciations as well as the compass ring. -
Page 13: Instructions For Continued Airworthiness
4.3.2 LOCALIZER OPERATION Select the desired localizer frequency and observe that the vertical pointer is in view indicating a valid condition. The TO-FROM indication is not functional for localizer operation. When flying on the front course, or outbound on the back course, make corrections toward the localizer (vertical) needle deflection. - Page 14 ENVIRONMENTAL QUALIFICATION FORM RTCA / DO160E NOMENCLATURE: MD222-( ) COURSE DEVIATION INDICATOR MODEL NO: MD222-( ) TSO NO: C34e, C36e, C40c MANUFACTURER TEST SPECIFICATION: TS240 MANUFACTURER: Mid-Continent Instruments and Avionics 9400 E 34 Street N Wichita, KS 67226 PHONE (316) 630-0101 Conditions Section Description of Tests...
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