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KAP140 King / Bendix FLIGHTLINE Maintenance Manual
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FLIGHTLINE
MAINTENANCE MANUAL
KAP 140
FLIGHT CONTROL SYSTEM
MANUAL NUMBER 006--15574--0002
REVISION 2 DEC, 2002

WARNING
Prior the export of this document, review for export license re-
quirement is needed.
COPYRIGHT NOTICE
Copyright 2000, 2002 Honeywell International Inc.
All rights reserved.
Reproduction of this publication or any portion thereof by any means without the express writ-
ten permission of Honeywell is prohibited. For further information contact the Manager, Techni-
cal Publications, Honeywell, One Technology Center, 23500 West 105th Street Olathe KS
66061 Telephone: (913) 782--0400.

BENDIX/KING
KAP 140
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Revision 2, Dec/2002
CS:15574F02.IDU
REVISION HISTORY
REV DATE CHANGES
0 October, 1998 Initial Release
1 April, 2002 Add unit versions --2603, --5403, --7703
2 December, 2002 Add unit versions --2704, --5504, --7904

BENDIX/KING
KAP 140
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Revision 2, Dec/2002
CS:15574F02.IDU
THIS PAGE IS RESERVED

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CS:15574F02.IDU
SECTION I
GENERAL INFORMATION
Paragraph Page
1.1 INTRODUCTION 1--1 ...................................................
1.2 SYSTEM DESCRIPTION 1--3 ............................................
1.2.1 GENERAL SYSTEM DESCRIPTION 1-- 3 ..................................
1.2.2 SYSTEM UNITS AND INTERFACES 1-- 3 ..................................
1.3 PRODUCT SUPPORT 1--7 ..............................................
1.4 AIRWORTHINESS LIMITATIONS 1--7 .....................................
1.5 COMPONENT DESCRIPTION 1--8 .......................................
1.5.1 GENERAL 1-- 8 .........................................................
1.5.2 KC 140 FLIGHT CONTROL COMPUTER 1-- 8 ..............................
1.5.3 KCM 100 CONFIGURATION MODULE 1-- 8 ................................
1.5.4 KS 270C PITCH SERVO 1-- 9 ............................................
1.5.5 KS 271C ROLL SERVO 1-- 10 .............................................
1.5.6 KS 272C TRIM SERVO 1-- 11 .............................................

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SECTION II
SYSTEM OPERATION
Paragraph Page
2.1 GENERAL 2--1 .........................................................
2.1.1 OPERATING MODES (OVERVIEW) 2-- 1 ..................................
2.2 KC 140 MONITORS 2--1 ................................................
2.2.1 HARDWARE MONITORS 2-- 2 ............................................
2.2.2 SOFTWARE MONITORS 2-- 4 ............................................
2.3 PERFORMANCE SPECIFICATIONS 2--5 ..................................
2.3.1 ROLL AXIS 2-- 5 ........................................................
2.3.2 PITCH AXIS 2-- 5 .......................................................
2.3.3 PITCH TRIM 2-- 5 .......................................................
2.4 KC 140 FCC 2--6 .......................................................
2.4.1 GENERAL DESCRIPTION 2-- 6 ...........................................
2.4.2 SINGLE AXIS VERSION 2-- 6 .............................................
2.4.3 TWO--AXIS VERSIONS 2-- 7 .............................................
2.5 USER CONTROLS 2--8 .................................................
2.5.1 PANEL BUTTONS 2-- 8 ..................................................
2.5.2 COCKPIT SWITCHES 2-- 8 ...............................................
2.5.3 ROTARY KNOBS 2-- 8 ...................................................
2.6 ANNUNCIATORS 2--9 ...................................................
2.6.1 MODE ANNUNCIATIONS 2-- 9 ............................................
2.6.2 FAILURE ANNUNCIATIONS 2-- 9 .........................................
2.7 NUMERIC DISPLAY 2--10 ................................................
2.7.1 GENERAL 2-- 10 .........................................................
2.7.2 PITCH REFERENCE CONTROL 2-- 10 .....................................
2.7.3 BARO SET 2-- 10 ........................................................
2.8 ALERTING 2--11 ........................................................
2.8.1 AP DISCONNECT ALERTING 2-- 11 ........................................
2.8.2 ALTITUDE ALERTING 2-- 11 ...............................................
2.8.3 TRIM RUNAWAY ALERTING 2-- 11 .........................................
2.8.4 OTHER VOICE MESSAGES 2-- 12 .........................................
2.9 BUILT--IN TEST 2--13 ....................................................
2.9.1 MANUAL ADJUSTMENTS 2-- 13 ...........................................
2.9.2 OFFSET COMPENSATION 2-- 13 ..........................................
2.9.3 POWERUP TESTS 2-- 13 .................................................
2.9.4 PREFLIGHT TEST 2-- 13 ..................................................
2.10 OPERATING MODES 2--14 ...............................................
2.10.1 ROLL COUPLED MODES 2-- 14 ...........................................
2.10.2 ROLL ARM MODES 2-- 16 ................................................
2.10.3 PITCH COUPLED MODES 2-- 18 ..........................................
2.10.4 PITCH ARM MODES 2-- 19 ................................................
2.10.5 TRIM FUNCTIONS 2--20 .................................................
2.11 BIT/DIAGNOSTICS 2--20 .................................................
2.12 NORMAL ACCELEROMETER 2--20 .......................................
2.13 STATIC PRESSURE SENSOR 2--20 .......................................
2.14 ALTITUDE/VS COMPUTATION 2--20 ......................................
2.15 ENCODING ALTIMETER INPUTS 2--21 ....................................

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Revision 2, Dec/2002
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SECTION III
REMOTE TERMINAL INTERFACE
Paragraph Page
3.1 GENERAL 3--1 .........................................................
3.2 TERMINAL EMULATOR SETUP 3--1 .....................................
3.3 NAVIGATING THE REMOTE TERMINAL INTERFACE (RTI) SCREENS 3--2 ...
3.3.1 MAIN MENU SCREEN 3--2 ..............................................
3.3.2 DIAGNOSTIC MODE SCREENS 3--3 .....................................
3.3.3 DISCRETE INPUT STRAPS/VALIDS SCREEN 3--4 .........................
3.3.4 DISCRETE INPUT SWITCHES SCREEN 3--7 ..............................
3.3.5 DISCRETE INPUT STATUS SCREEN 3--10 .................................
3.3.6 DISCRETE OUTPUTS SCREEN 3--14 .....................................
3.3.7 ANALOG INPUTS SCREEN 3--16 .........................................
3.3.8 ANALOG VOLTAGE INPUTS SCREEN 3--19 ................................
3.3.9 ANALOG OUTPUTS SCREEN 3--22 .......................................
3.3.10 ANALOG TESTS SCREEN 3--23 ..........................................
3.3.11 ERROR LOG SCREEN 3--24 ..............................................
3.3.12 SOFTWARE IDENTIFICATION SCREEN 3--26 ..............................
3.3.13 INSTALLATION MODE SCREENS 3--26 ....................................
3.4 INSTALLATION SETUP 3--27 .............................................
3.4.1 INSTALLATION SETUP SCREEN 3--27 .....................................
3.4.2 INSTALLATION OFFSETS 3--29 ...........................................
3.5 OTHER INSTALLATION OPTIONS 3--30 ...................................

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Revision 2, Dec/2002
CS:15574F02.IDU
SECTION IV
TROUBLESHOOTING
Paragraph Page
4.1 GENERAL 4--1 .........................................................
4.2 PERFORMANCE PROBLEMS 4--1 .......................................
4.3 UNIT INTERFACE DESCRIPTIONS 4--3 ..................................
4.3.1 GENERAL 4--3 .........................................................
4.3.2 KS 270C PITCH SERVO INTERFACE TO THE KC 140 4--3 ..................
4.3.3 KS 271C ROLL SERVO INTERFACE TO THE KC 140 4--5 ..................
4.3.4 KS 272C TRIM SERVO INTERFACE TO THE KC 140 4--5 ...................
4.3.5 TURN COORDINATOR INTERFACE TO THE KC 140 4--6 ...................
4.3.6 DIRECTIONAL GYRO (DG) INTERFACE TO THE KC 140 4--6 ...............
4.3.7 HORIZONTAL SITUATION INDICATOR (HSI) INTERFACE TO THE KC 140 4--7
4.3.8 KCM 100 CONFIGURATION MODULE INTERFACE TO THE KC 140 4--8 .....
4.3.9 NAV SENSOR INTERFACE TO THE KC 140 4--9 ...........................
4.3.10 ENCODING ALTIMETER INTERFACE TO THE KC 140 4--10 .................
4.3.11 RS232 INTERFACE TO THE KC 140 4--11 ..................................
4.3.12 AUDIO PANEL INTERFACE TO THE KC 140 4--11 ..........................
4.3.13 COCKPIT SWITCHES INTERFACE TO THE KC 140 4--12 ....................
4.3.14 DIMBUS INTERFACE (BACKLIGHTING BRIGHTNESS) TO THE KC 140 4--12 ..
4.3.15 FLAPS INTERFACE TO THE KC 140 4--13 .................................
4.3.16 KC 140 ALERTING OUTPUTS 4--14 .......................................
4.3.17 KC 140 PHOTOCELL (DISPLAY BRIGHTNESS) 4--14 ........................
4.3.18 KC 140 POWER INPUTS 4--15 ............................................
4.3.19 KC 140 AIRCRAFT STRAPS 4--16 .........................................
SECTION V
ERROR CODES
Paragraph Page
5.1 GENERAL INFORMATION 1 ..........................................
5.2 REFERENCE DOCUMENTS 1 .........................................
5.3 ERROR CODE CATEGORIES 2 .......................................
5.4 ERROR CODE DESCRIPTIONS 3 .....................................

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LIST OF ILLUSTRATIONS
Figure Page
1--1 KAP 140 SYSTEM BLOCK DIAGRAM 1--5 .................................
1--2 KC 140 FLIGHT CONTROL COMPUTER 1--8 ..............................
1--3 KS 270C PITCH SERVO 1--9 ............................................
1--4 KS 271C ROLL SERVO 1--10 .............................................
1--5 KS 272C PITCH TRIM SERVO 1--11 .......................................
2--1 SINGLE--AXIS FCC (--2XXX FLAVORS) 2--6 ...............................
2--2 TWO--AXIS FCC (--5XXX VERSIONS) 2--7 .................................
2--3 TWO--AXIS FCC W/ALTITUDE PRESELECT & ALRTING (--7XXX Versions) 2--7
2--4 FULL KAP 140 DISPLAY (LAMP TEST) 2--7 ...............................
3--1 NO TAG MAIN MENU SCREEN 3--2 ......................................
3--2 DIAGNOSTICS CONFIRMATION SCREEN 3--3 ............................
3--3 DIAGNOSTICS MENU SCREEN 3--3 .....................................
3--4 DISCRETE INPUT STRAPS/VALIDS SCREEN 3--4 .........................
3--5 DISCRETE INPUT SWITCHES SCREEN 3--7 ..............................
3--6 DISCRETE INPUT STATUS SCREEN 3--10 .................................
3--7 NO TAG DISCRETE OUTPUTS SCREEN 3--14 .............................
3--8 ANALOG INPUTS SCREEN 3--16 .........................................
3--9 ANALOG VOLTAGE INPUTS SCREEN 3--19 ................................
3--10 ANALOG OUTPUTS SCREEN 3--22 .......................................
3--11 ANALOG TESTS SCREEN 3--23 ..........................................
3--12 ERROR LOG MENU SCREEN 3--24 .......................................
3--13 NO TAG ERROR LOG DATA SCREEN 3--25 ................................
3--14 SOFTWARE IDENTIFICATION SCREEN 3--26 ..............................
3--15 INSTALLATION MENU SCREEN 3--26 .....................................
3--16 INSTALLATION SETUP SCREEN 3--27 .....................................
3--17 INSTALLATION OFFSETS SCREEN 3--29 ..................................
3--18 NO TAG GLIDESLOPE DEVIATION SCREEN 3--29 ..........................
LIST OF TABLES
Table Page
1--1 KAP 140 SYSTEM COMPONENTS AND SUPPORT EQUIPMENT 1--3 ........

BENDIX/KING
KAP 140
vi
Revision 2, Dec/2002
CS:15574F02.IDU
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This is a 108-page maintenance manual for the KAP 140 Flight Control System, with the manual number 006--15574--0002 and revision 2 dated December 2002. It offers general system maintenance instructions and theory of operation. The manual is designed as a supplement to an aircraft level maintenance manual for a specific aircraft type. It provides assistance for flight line check--out and troubleshooting of suspected problems in the KAP 140 Flight Control System. This manual is useful for both professional mechanics and DIY enthusiasts.