Mid-Continent Instruments 4300-411, Installation Manual And Operating Instructions

Page 1: ...UAL AND OPERATING INSTRUCTIONS 4300 4XX Series Electric Attitude Indicator MID CONTINENT INST CO INC MANUAL NUMBER 9015762 9400 E 34th Street N Wichita KS 67226 USA REV B May 25 2004 Phone 316 630 0101 Fax 316 630 0723 ...

Page 2: ... ST North Wichita KS 67226 USA Phone 316 630 0101 Fax 316 630 0723 We welcome your comments concerning this manual Although every effort has been made to keep it free of errors some may occur When reporting a specific problem please describe it briefly and include the manual part number the paragraph figure table number and the page number Send your comments to Mid Continent Instruments Attn Techn...

Page 3: ... 2 6 Continued Airworthiness 14 Section 3 Operation 18 3 1 General 18 3 2 Starting Procedures 18 3 3 In Flight Procedures 18 3 4 Dynamic Errors 18 3 5 Standby Battery Operation 19 3 6 Equipment Limitations 21 Figure No List of Illustrations 1 1 Display Configurations 8 1 2 Typical Indicator Display Detail 10 2 1 Outline Drawings 15 2 2 Rear Mount Cutout Dimensions 16 2 3 Front Mount Cutout Dimensi...

Page 4: ... Complete issue A 11 4 03 Revise text for improved short battery test Add text to Sec 2 6 2 B for P N 36029 battery charger B 5 25 04 Update display configurations Fig 1 1 update connector pinout Lighting No polarity revise currents in table 1 3 add bezel dims to panel cutouts add DO 160D environmental test qualification in Table 1 2 ...

Page 5: ...mechanism This mechanism simultaneously erects the pitch and roll axes of the gyroscope Movement of the aircraft generates a reaction of the display that simulates the visual reference seen by the pilot when looking outside at the earth s true horizon line The 4300 4XX Electric Attitude Indicator offers the unique feature of a self contained standby power source Advances in the design of this gyro...

Page 6: ...o will run from standby power until the internal battery is exhausted before the gyro warning flag appears 1 5 Options and Configurations Options Table Panel Tilt Calibration 0 to 20 Lighting Voltage 5V 14V or 28V See Table 1 4 Lighting Color Blue White White or Red See Table 1 4 Non Trimmable Symbolic Airplane Knob Cover P N 36022 Slip Indicator Kit P N 36023 Front Mount Kit 3 32 thk P N 36028 1 ...

Page 7: ...ical Erection Rate Gyroscope will erect to local vertical in pitch and roll at 2 5 per minute minimum Warning Flag A gyro warning circuit provides for continuous monitoring of gyro voltage If loss of gyro motor voltage occurs the red warning flag will appear See section 3 5 for battery operation Symbolic Airplane The adjustment range will be 4 minimum from the zero pitch position Power Consumption...

Page 8: ...olic Airplane Fixed Roll Dial Rotating Pointer Delta Symbolic Airplane Face Layout A Face Layout B Face Layout D Face Layout C High Resolution Horizon Dial High Resolution Horizon Dial Rotating Roll Dial Fixed Pointer Rotating Pointer Fixed Roll Dial Face Layout E Face Layout F Standard Horizon Dial Standard Horizon Dial Standard Horizon Dial Standard Horizon Dial Traditional Symbolic Airplane Tra...

Page 9: ...Traditional A 4300 402 27 5 VDC Fixed Standard Traditional B 4300 403 27 5 VDC Rotating Standard Delta C 4300 404 27 5 VDC Fixed Standard Delta D 4300 411 10 to 32 VDC Rotating Standard Traditional A 4300 412 10 to 32 VDC Fixed Standard Traditional B 4300 413 10 to 32 VDC Rotating Standard Delta C 4300 414 10 to 32 VDC Fixed Standard Delta D 4300 431 10 to 32 VDC Rotating High Resolution Tradition...

Page 10: ...se is below horizon or in a dive attitude Upper area of display indicates aircraft nose is above horizon or in a climb attitude Symbolic Airplane Indicates roll and pitch attitude relative to the horizon The symbolic airplane can be moved pitch only using the symbolic airplane adjustment knob Horizon Line Indicates earth horizon relative to aircraft pitch and roll attitude Caging knob Manual Erect...

Page 11: ...grees the gyro can develop a gimbal lock The gimbal will tumble and start to spin If gimbal lock occurs while the rotor is turning the gimbal may spin fast enough to damage the gimbal bearings requiring an overhaul D A malfunctioning gyro should be handled with the same care given a new instrument Most malfunctioning instruments can be repaired and returned to service Using proper handling procedu...

Page 12: ...ithin the aircraft in accordance with the following considerations A The indicator is ideally located in the instrument panel directly in line with the pilot s normal line of sight The PULL TO CAGE knob should be within easy reach Installations that result in viewing angles in excess of 30 degrees may reduce display readability B Compare the space requirements of the indicator with the installatio...

Page 13: ...able is disconnected for shipping to prevent accidental activation and battery discharge in transit E The unit may start when the battery is connected Momentarily push the STBY PWR button twice if necessary until the Red Gyro Warning flag shows Continue the installation after the Gyro has spun down F Attach aircraft electrical system cable to the round 4 pin indicator connector and insert the indi...

Page 14: ...charge is desired refer to Paragraph B Float Charging 3 A full battery capacity test must be performed at least on an annual basis as well as any time there may be a question about battery performance life Full Battery Capacity Test A Disconnect battery pack from the 4300 Attitude Indicator B Ensure the battery is completely charged and at or near normal room temperatures 20 25 C Ref Sect 2 6 2 C ...

Page 15: ...Mid Continent Instruments Wichita KS Rev B May 25 2004 Manual Number 9015762 Page 15 of 21 Figure 2 1 Outline Drawing ...

Page 16: ...Mid Continent Instruments Wichita KS Rev B May 25 2004 Manual Number 9015762 Page 16 of 21 Figure 2 2 Panel Cutout Dimensions Figure 2 3 Front Mount Panel Cutout Dimensions ...

Page 17: ...Mid Continent Instruments Wichita KS Rev B May 25 2004 Manual Number 9015762 Page 17 of 21 When mounted vertically UP End View Side View Figure 2 4 Remote Mount Standby Battery Option using 9015671 Kit ...

Page 18: ...he desired pitch attitude presentation i e aligning the symbolic airplane with the horizon C If caging is required caging should be accomplished when the aircraft is in a wings level normal cruise attitude as indicated by other instruments or the earth s horizon If the gyro is caged when the aircraft is not in this attitude the resulting attitude presentation immediately after caging will be in er...

Page 19: ...n view after approximately one minute This is to prevent battery discharge at the end of a flight when the master power switch is placed in the off position B Loss of Aircraft Power When the instrument switches to Power Loss Warning the amber LED flashes for approximately one minute This is intended to attract the pilot s attention and indicate that there has been a loss of primary power to the 43...

Page 20: ...nction under normal operation A red light at any time during the test means that the standby battery is at least in need of charging or possibly replacement Note however that a green light throughout this short test does not guarantee that a full hour of operation time is available Actual operation time on the battery may vary considerably depending on temperature charge status and battery conditi...

Page 21: ...ime on the battery may vary considerably depending on temperature charge status and battery condition Low temperatures will temporarily degrade battery capacity as shown in Fig 2 6 Internal chemistry will slowly degrade battery capacity over several years of operation as shown in Fig 2 7 even when correctly maintained A poorly maintained battery will suffer accelerated degradation in excess of the...