Champion LASAR L-1502C User manual

ChampionAerospaceLLC
1230Old NorrisRoad
Liberty,SouthCarolina, U.S.A. 29657
©2009 ChampionAerospaceLLC
www.championaerospace.com
®
LASAR®Installation, Operation,
and Troubleshooting Manual
SCOPE:
This manual provides detailed installation, operation, and troubleshooting instructions
and technical information about the LASAR®system.
L-1502C
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CHAMPION AEROSPACE PROPRIETARY INFORMATION
THIS DOCUMENT IS PROPRIETARY PROPERTY OF CHAMPIONAEROSPACE LLC. IT IS NOTTO BE COPIED OR REPRODUCED
INANY MANNER, NOR SUBMITTED TO OTHER PARTIES FOR EXAMINATION WITHOUT PRIOR WRITTENAPPROVAL.

MO DAY YEAR
Champion Aerospace LLC
1230Old NorrisRoad
Liberty,SouthCarolina,U.S.A. 29657
©2009 ChampionAerospaceLLC
www.championaerospace.com
CHAMPION AEROSPACE LLC PROPRIETARYINFORMATION - Subject to the restrictions on the Title page
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Champion Aerospace LLC
1230Old NorrisRoad
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©2009 ChampionAerospaceLLC
www.championaerospace.com
CHAMPION AEROSPACE LLC PROPRIETARYINFORMATION - Subject to the restrictions on the Title page
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Log of Revisions
Pages
Rev. No. Description Revised Date
A Modified format. All 5/20/96
B Modified Format. Added provisions All 6/27/97
for cockpit enunciator light and tachometer.
Added LVCH connector lubricant. Added
Troubleshooting with a computer. Various
text changes to improve clarity.
C Thisrevisionchanges thecompanyfrom All 3/01/09
UnisonIndustries to ChampionAerospaceLLC

MO DAY YEAR
Champion Aerospace LLC
1230Old NorrisRoad
Liberty,SouthCarolina,U.S.A. 29657
©2009 ChampionAerospaceLLC
www.championaerospace.com
CHAMPION AEROSPACE LLC PROPRIETARYINFORMATION - Subject to the restrictions on the Title page
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Table of Contents
0.0 NOTICES................................................................................................................. 0-1
0.1 COPYRIGHT STATEMENT...............................................................................................................0-1
0.2 SOFTWARE LICENSE AGREEMENT ..............................................................................................0-1
0.3 GENUINE SLICK PARTS ..................................................................................................................0-2
0.4 RELEVANT PUBLICATIONS.............................................................................................................0-2
0.5 WORLDWIDENETWORK ................................................................................................................. 0-3
0.6 HOWTO USETHISMANUAL ........................................................................................................... 0-3
1.0 TECHNICAL REFERENCE..................................................................................... 1-1
1.1 OVERVIEW .......................................................................................................................................1-1
1.2 SYSTEM CONFIGURATION.............................................................................................................1-1
1.3 MODES OF OPERATION .................................................................................................................1-1
1.4 FUEL OCTANE REQUIREMENTS
1.5 DEFINITIONS....................................................................................................................................1-3
1.6 SELECTING THE CORRECT LASAR®
SYSTEM CONFIGURATION.............................................................................................................1-5
2.0 INSTALLATION .......................................................................................................2-1
2.1 GENERAL .........................................................................................................................................2-1
2.2 INSTALLATION OF BASELINE LASAR ............................................................................................2-1
2.2.1 DISCONNECTAIRCRAFT BATTERY...............................................................................................2-1
2.2.2 LASAR®CONTROLLER INSTALLATION .........................................................................................2-2
2.2.3 ENGINE PREPARATION ..................................................................................................................2-3
2.2.4 INSTALL MAGNETO DRIVE GEARS................................................................................................2-4
2.2.5 ENGINE SET-UP...............................................................................................................................2-4
2.2.6 INSTALL SENSOR MAGNETO - LEFT ENGINE POSITION ............................................................2-4
2.2.7 INSTALL NON-SENSOR MAGNETO - RIGHT ENGINE POSITION ................................................2-5
2.2.8 ALIGN THE ENGINE CRANKSHAFT TO TDC .................................................................................2-5
2.2.9 ALIGN LEFT MAGNETO TO TDC ....................................................................................................2-5
2.2.10 ALIGN ENGINE CRANKSHAFT TO BTDC .......................................................................................2-6
2.2.11 SYNCHRONIZE LEFTAND RIGHT
MAGNETO CONTACT POINTS........................................................................................................2-6
2.2.12 CHECK SENSOR AND CONTACT
POINT SYNCHRONIZATION ............................................................................................................2-6
2.2.13 INSTALL IGNITION HARNESS .........................................................................................................2-7
2.2.14 CONFIRM MAGNETO SWITCH OPERATION .................................................................................2-7
2.2.15 INSTALL LOW VOLTAGE CONTROL HARNESS.............................................................................2-8
2.2.16 CONNECT MANIFOLD PRESSURE SOURCE ................................................................................2-9
2.2.17 CHECK LASAR®INSTALLATION....................................................................................................2-10
2.2.18 LABEL FUEL TANK FILLER OPENING ..........................................................................................2-10
2.2.19 RECONNECTAIRCRAFT BATTERY..............................................................................................2-11
2.2.20 GROUND TEST LASAR®SYSTEM ................................................................................................2-11
2.2.21 COMPLTE DOCUMENTATION .......................................................................................................2-11
2.3 INSTALLATION OF LASAR®SYSTEMS WITH
CYLINDER HEAD TEMPERATURE CONTROL ............................................................................. 2-11
2.3.1 IDENTIFY CYLINDER FOR LASAR®CHT PROBE INSTALLATION ..............................................2-11
2.3.2 INSTALL M5430-XX CHT PROBE ASSEMBLY...............................................................................2-12
2.3.3 INSTALL LOW VOLTAGE CONTROL HARNESS...........................................................................2-12
2.3.4 RECONFIRM COMPLETION OF ALL STEPS IN
SECTION 2.2 ..................................................................................................................................2-13
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2.4 INSTALLATION OF LASAR®SYSTEM WITH
COCKPIT ENUNCIATOR LIGHT ....................................................................................................2-13
2.4.1 INSTALL ENUNCIATOR LIGHT ASSEMBLY ..................................................................................2-13
2.4.2 INSTALL LOW VOLTAGE CONTROL HARNESS...........................................................................2-13
2.4.3 RECONFIRM COMPLETION OF ALL STEPS IN
SECTION 2.2 ..................................................................................................................................2-14
2.5 INSTALLATION OF LASAR®SYSTEMS WITH
TACHOMETER DRIVE SIGNAL .....................................................................................................2-14
2.5.1 CONTACT TACHOMETER MANUFACTURER ..............................................................................2-14
2.5.2 INSTALL LOW VOLTAGE CONTROL HARNESS...........................................................................2-14
2.5.3 RECONFIRM COMPLETION OF ALL STEPS IN
SECTION 2.2 ..................................................................................................................................2-14
3.0 LASAR®OPERATION ............................................................................................. 3-1
3.1 LASAR®SYSTEM PRE-FLIGHT CHECK..........................................................................................3-1
3.2 LASAR®SYSTEM POST-FLIGHT CHECK .......................................................................................3-1
3.3 MIXTURE LEANING .........................................................................................................................3-1
3.4 IN-FLIGHT RESTART .......................................................................................................................3-2
3.5 GROUND HANDLING.......................................................................................................................3-2
4.0 DOCUMENTATION .................................................................................................4-1
5.0 LASAR®SYSTEM MAINTENANCE SCHEDULES................................................. 5-1
5.1 LASAR®SYSTEM MAINTENANCE SCHEDULES ...........................................................................5-1
5.1.1 INSPECTION INTERVALS ................................................................................................................5-1
5.1.2 100 HOUR INSPECTIONS ...............................................................................................................5-1
5.1.3 500 HOUR INSPECTIONS ...............................................................................................................5-1
5.1.4 MAGNETO PARTS REPLACEMENT SCHEDULE ...........................................................................5-1
5.2 LASAR®CONTROLLER MAINTENANCEAND INSPECTION .........................................................5-2
5.2.1 RECOMMENDED 100 HOUR INSPECTIONS..................................................................................5-2
5.2.2 RECERTIFICATION ..........................................................................................................................5-2
5.3 LOW VOLTAGE CONTROL HARNESS MAINTENANCE
AND INSPECTION............................................................................................................................5-2
5.3.1 RECOMMENDED 100 HOUR INSPECTIONS..................................................................................5-2
6.0 TROUBLESHOOTING ............................................................................................6-1
6.1 TROUBLESHOOTING GUIDE..........................................................................................................6-1
6.2 TROUBLESHOOTING THROUGH A COMPUTER INTERFACE .....................................................6-8
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0. NOTICES
0.1 COPYRIGHT STATEMENT
All rights reserved. This manual is produced exclusively for use with LASAR®systems, magnetos and
ignition harnesses. It may not, in whole or in part, be copied, photocopied, reproduced, translated or
reducedtoany electronic mediumor machine readableform without priorconsent, in writingfrom
ChampionAerospace. LASAR®is a trademark of ChampionAerospace LLC.
WARNING: IMPROPER OR UNAUTHORIZED APPLICATIONS OF THE INFORMATION
CONTAINED IN THIS MANUAL MAY RESULT IN LOSSES OR DAMAGE TO THE
USER.
The accuracy and applicability of this manual has not been verified for any assembly, component or
part not manufactured by ChampionAerospace. Any use of this manual for other than its intended
purpose or for performing any installation, maintenance, replacement, adjustment, inspection, or
overhaulofany assembly,component or partnot manufacturedbyChampionAerospaceis notapproved,
endorsedor sanctioned byChampionAerospace.
No liability will be assumed by ChampionAerospace for actual, consequential or other types of damages
directly or indirectly resulting from the unauthorized use of this manual for other that its stated purposes.
When performing installation, maintenance, replacement, adjustment, inspection or overhaul of any
LASAR®assembly, component or part, it is imperative that the latest revision of the appropriate
LASAR®manualorproduct supportdocumentbe referenced. Contact ChampionAerospace tobesure
youhave the latestmanual orsupport document revisionbefore performingany work.
All reasonable attempts were made to make this manual as complete and accurate as possible. If you
have any questions, comments, corrections or require clarification of any information contained herein,
pleasewriteto ChampionAerospaceCustomer Service Departmentat 1230OldNorris Road,Liberty,SC
29657or email [email protected].
0.2 SOFTWARE LICENSE AGREEMENT
ChampionAerospace software pre-installed in LASAR®systems is licensed, not sold, under the general
terms of this License. Any individuals or groups of individuals purchasing LASAR®ignitionagree to
become bound by the terms of this agreement.
A. SoftwareDefinition: All softwaresupplied by ChampionAerospaceunder license, whethersupplied
in object or source code, soft or fixed media, separately or embedded in firmware or in another
product. Softwareiswarranted andsupportedby ChampionAerospace, which isresponsible for
meetingapplicable ChampionAerospace productspecifications.
B. Software License Grant: All software programs which are embodied in human readable source
form or a machine readable object form and which include, but are not limited to, programs
havingaseries ofinstructions,statements anddata,and relatedmaterial provided byChampion
Aerospace are the property of ChampionAerospace and/or others and are subject to the terms set
forth in this License, in which the Purchaser is provided solely with personal and nonexclusive
license to use such programs solely for their personal use and for its intended purposes in the
country in which the software was furnished and for execution on the system for which it was
provided.
0-1

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1230Old NorrisRoad
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C. CopyrightAnd Title: No title to the intellectual property in the software programs or material is
transferred to the Purchaser under this License. All software and its copyrights are owned by
ChampionAerospace and/or its suppliers. The software is protected by United States Copyright
LawsandInternational TreatyProvisions. The written materials,software andfirmware may notbe
copied.
D. Restrictions: The softwarecontains trade secretsand critical engineoperating parameters and
should not be accessed, altered or changed in any matter. The software is protected by a
security system function and any attempt to access, alter or change the software in any form not
approvedbyChampionAerospacewill voidthisLicense andtheproduct warranty,causethe
system to no longer conform to airworthiness standards, and render the system unairworthy, which
can result in equipment damage, personal loss, bodily injury, or death.
0.3 GENUINE SLICK PARTS
The procedures outlined in this manual are generalized for all models of LASAR®systems, using only
genuineChampionAerospace manufacturedparts. Thismanual must notbe used tomaintainor over-
haul a LASAR®system that contains parts not manufactured by ChampionAerospace.
Genuine Slick parts are produced and inspected under rigorous procedures to insure airworthiness and
suitability in LASAR®systems. Parts purchased from sources other thanChampion Aerospace, even
thoughoutwardlyidentical inappearancemay nothavehad the requiredtests and inspectionsper-
formed,maybe differentinfabrication techniques andmaterials, and maybe dangerous wheninstalled in
aLASAR®system. Salvaged parts,reworked partsobtained fromnon-ChampionAerospaceapproved
sources, or parts the service history of which is unknown or cannot be authenticated, may have been
subjectedtounacceptable stressesortemperatures, orhaveother hiddendamage,not discernible
throughroutinevisual or usualnondestructive testing techniques. Thismay render servicework with this
part,even through originallymanufactured byChampionAerospace,unsuitableor unsafefor use ina
LASAR®system. ChampionAerospace expressly disclaims any responsibility for malfunctions, failures,
damageor injury causedby useof non-ChampionAerospaceapproved parts.
LASAR®systems are engineered so that mechanical parts wear at a balanced rate. Consistent and
complimentary wear patterns establish the recommended maintenance intervals defined in LASAR®
service literature, therefore used, service worn parts should never be used to troubleshoot or repair a
system component, nor should original parts be replaced by used service worn parts on magnetos
beingreturned to service. Further,non-ChampionAerospacemanufactured partsmay wearatuneven
anddifferentrates than originalChampionAerospacemanufactured parts,making LASAR®service
literature an inappropriate guide to proper maintenance. Parts not manufactured by Slick, may not fit or
operatelike original ChampionAerospacemanufactured parts. Non-ChampionAerospaceproducts are
not tested to the same standards as originally installed parts and are not authorized for replacement.
For thesereasons, usedservice worn partsor partsnot manufacturedby ChampionAerospace may
adversely affectmagneto reliabilityin waysnot anticipated byChampionAerospace and notreflected in
serviceliterature.
0.4 RELEVANT PUBLICATIONS
L-1500 LASAR®System Master Service Manual which includes:
L-1501T-300 SynchroLASAR®Manual
L-1503 LASAR®System Maintenance and Overhaul Manual
L-1504 LASAR®Application Guide
LASAR®STC and Service Letters appropriate to each installation
F-1100 Slick Master Manual which includes:
L-1177 Ignition Lead Maintenance and Overhaul Manual
L-1178 Ignition LeadAssembly and Installation Manual
L-1318Application Data

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1230Old NorrisRoad
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0.5 WORLDWIDENETWORK
ChampionAerospacesystemsare availablethrough an internationalnetwork ofaircraft distributors that
offeroutstandingproduct support,delivery and service. SeeDistributor List FormL-1051for details.
0.6 HOWTO USETHIS MANUAL
Thismanualprovides installation,operation,and troubleshootinginstructionsfor theLASAR®system.
LASAR®publication number L-1503 LASAR®Maintenance Manual should be referenced for details
relating to the maintenance of LASAR®systems.
The information in this manual is divided into six sections. Section One provides an overview on
system components and a basic technical reference on the design and operation of LASAR®systems.
Section Two contains installation instructions for all components of the LASAR®system. Section Three
provides instructions for the operation of the LASAR®system. Section Four lists the documentation
required after installation of the LASAR®system. Maintenance requirements and troubleshooting steps
are contained in Sections Five and Six.
It is recommended that this entire manual be thoroughly read before beginning any installation,
maintenance, or troubleshooting procedure.

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1-1
1.0 TECHNICAL REFERENCE
1.1 OVERVIEW
LASAR®is the integration of microelectronics with conventional magneto designs to provide
controllable ignition timing capable of optimizing engine performance while providing redundant me-
chanical backup ignition for safety. LASAR®senses engine RPM, manifold pressure, cylinder head
temperature (CHT) and other engine operating parameters, then selects the optimum ignition timing
from a three dimensional nonlinear Engine Personality Map (EPM) which is programmed into the
system’s microprocessor. The controller then signals the dual-mode magnetos when to initiate a spark
event, and controls the size and shape of the spark at the spark plug to optimally ignite the fuel in the
cylinder. At sea level takeoff power, ignition timing is set to the same fixed ignition timing as
conventional magnetos. At reduced power settings or higher altitudes, ignition timing continuously
varies between TDC and 50 degrees BTDC to optimize efficiency of the fuel combustion.
Automatic timing advance from the LASAR®system may cause cylinder head temperatures (CHTs) to
increase as fuel is burned more efficiently within the combustion chamber. Incremental CHT rise due
to ignition timing advance from a non-CHT controlled LASAR®system is typically 20°F. To
accommodate LASAR®system installations on airframes with marginal engine cooling or on airframes
where engine cooling characteristics have not been determined, LASAR®systems are offered with CHT
control circuitry that incrementally reduces the timing advance angle as CHTs approach a preset
maximum limit, thereby reducing CHT rise due to advanced ignition timing. If ignition timing advance is
reduced by the CHT control feature, engine performance improvements resulting from optimized
ignition timing will be reduced. In extreme situations where the engine continually operates at
maximum cylinder head temperatures, LASAR®will command the same ignition timing as provided by
conventional magnetos, resulting in comparable engine performance.
Two different limits (climb and cruise) are used to control CHT rise due to ignition timing advance.
These limits vary between installations and are preprogrammed into the LASAR®controller software.
During engine operation, the LASAR®system initially selects the climb limit whenever power is first
applied to the controller. The climb limit remains selected until a 15 minute timer expires. The 15
minute timer begins to count when CHT exceeds the cruise limit for the first time. Once the 15 minute
timer expires, the cruise CHT limit remains selected, including subsequent climbs.
Some airframe installations include an enunciator light mounted in the cockpit which becomes
illuminated when the LASAR®system is operating in the backup mode, or when the controller is
receiving power when the engine is not running. In automatic mode operation, a normally closed relay
within the controller is energized which isolates the enunciator light from ground and prevents
illumination of the light. In backup mode operation, the relay is not energized, allowing a ground path
for the light which then becomes illuminated.
With installation of LASAR®systems, existing engine speed signals from “P” leads and/or magneto
rotor sensors are not available. Electrical tachometers may be modified to correctly interpret the
LASAR®system’s four pole rotor magnets, or the speed signal provided the LASAR®controller.
1.2 SYSTEM CONFIGURATION
The controller is the heart of the LASAR®system. As a microprocessor based solid state device, the
controller will provide years of reliable service without the need of regularly scheduled maintenance
procedures. When the LASAR®controller has reached the engine TBO, it should be returned to
ChampionAerospaceforre-calibration. No fieldservice of thecontroller isauthorizedby Champion
Aerospace.

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Both magnetos utilize a relay which, when powered by the controller, electrically isolates the contact
points from coil current. If power to the relay is interrupted, the contact points come back on line and
conventional back up magneto ignition is provided at the standard fixed timing angle. The left magneto
is equipped with a crankshaft speed/position sensor to provide a reference point for the automatic
advance timing feature of LASAR®. The right magneto is not equipped with a sensor. Both the left and
right magnetos are completely repairable and supported by component part availability.
The LASAR®controller interfaces with various airframe systems and the two magnetos through a Low
Voltage Control Harness (LVCH). This harness includes two bundled wire branches which terminate in
connectors mating to the LASAR®magnetos. These two terminated wire bundles are available in
various lengths to accommodate different system installations.
1.3. MODES OF OPERATION
Initial Power-On
The LASAR®controller requires aircraft input electrical power to allow operation in the automatic mode.
When power is applied to the controller, the controller performs initialization and power-up Built-In-Test
diagnostics and illuminates the enunciator light (if equipped).
EngineStarting
The LASAR®system will fire both channels (two spark plugs per cylinder) during engine starting when
electrical power is supplied to the controller and the system is operating in the automatic mode. The
first spark is produced when the crankshaft speed/position sensor is triggered twice (360 degrees of
magneto rotation) within six seconds. These “starting sparks” have roughly 300% more energy than
sparks produced by conventional magnetos. The enunciator light (if equipped) should turn off when the
engine is cranking and the controller is operating in the automatic mode. Ignition energy delivered by
LASAR®remains at the high setting until the engine reaches 700 RPM, at which time the controller
reduces spark energy to a level roughly equivalent to that produced by conventional magnetos. Engine
timing is controlled to top dead center until engine speed reaches 275 RPM, at which point the system
smoothly transitions to advance timing according to the Engine Personality Map (EPM).
Pre-Flight Magneto Check
A preflight magneto check initiates comprehensive hardware and software tests of the LASAR®system,
including backup magneto operation. When the ignition switch is turned from the “BOTH” position to
the “LEFT” or “RIGHT” position, the system automatically switches the selected magneto to backup
operation and if equipped, the cockpit enunciator light becomes illuminated. When the ignition switch is
returned to the “BOTH” position, the system remains in backup operation for approximately 20 seconds
to facilitate engine RPM drop comparison. After the ignition switch has been in the “BOTH” position for
more than 20 seconds, the system automatically switches to automatic mode operation and the cockpit
enunciator light, if equipped will turn off. Proper functioning of the cockpit enunciator light should be
confirmed each time a preflight magneto check is performed. Preflight magneto check PASS/FAIL
criteria is identical to that of conventional magneto ignition systems.
Automatic Mode Operation
The automatic mode is the normal operating mode when there are no faults present, power is applied
to the controller, and the ignition switch is in the “BOTH” position. While in this mode, the controller is
initializing the spark event through the magnetos at the exact ignition timing angle needed to maximize
engine performance. The cockpit enunciator light (if equipped) should not be illuminated.

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Backup Mode Operation
When operating in the backup mode the LASAR®system provides traditional magneto ignition. The
LASAR®system automatically switches to the backup mode when the system receives inadequate
electrical power, or internal system diagnostics detects a hardware or software fault. The system may
be manually switched to backup operation by turning the ignition switch to the “LEFT” or “RIGHT”
position, or by interrupting input power to the controller by manually pulling the circuit breaker, if
equipped. Engine performance in the backup mode is identical to engine performance with traditional
magnetos. During backup mode operation the LASAR®controller provides a ground return path for the
cockpit enunciator light (if equipped) which becomes illuminated provided the light is receiving
adequate input power. To restart the engine in-flight with the LASAR®ignition system operating in the
backup mode, windmill the engine above 500 rpm.
Piloting
Operation of the LASAR®system is transparent to the pilot under most conditions. Unless the aircraft
is equipped with a cockpit enunciator light, the pilot is typically unaware of the two million logic and
control command decisions that take place inside the controller every second. What the pilot does
experience with LASAR®Ignition is better engine starting and smoother engine operation resulting from
the controller’s decisions and commands.
The performance improvements including reduced fuel consumption realized on any aircraft will be
dependent on the flight profile, throttle and mixture settings, engine RPM, CHT, manifold pressure, and
the cylinder to cylinder balance of the induction system. For flight planning purposes, always follow the
original operating manual including mixture leaning procedures and cowl flat operation.
CAUTION: NEVER FACTOR IN ANY IMPROVEMENT IN FUEL CONSUMPTION RESULTING
FROM LASAR®ENGINE CONTROL SYSTEMS,AS THESE IMPROVEMENTS WILL
VARY FROM FLIGHT TO FLIGHT DEPENDING ON THE FLIGHT PROFILEAND
MIXTURE LEANING PROCEDURE.
1.4 FUEL OCTANE REQUIREMENTS
The LASAR® system is approved for use on engines operating with a minimum fuel grade of 100
octane. Operation of LASAR®equipped engines using a minimum fuel grade of less than 100 octane
has not been validated.

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1.5 DEFINITIONS
TDC: Top Dead Center. Referenced to the position of the crankshaft when the piston in cylinder
number one is at the top of its compression stroke.
BTDC: Before Top Dead Center. Referenced to the position of the crankshaft when the piston in
cylinder number one is before the top of its compression stroke. Also referred to as the Base
TimingAngle, which is typically stamped on the engine nameplate.
EPM: Engine Personality Map.
SOP: Standard Operating Program.
ROTATION: The direction that the magneto rotor shaft turns when viewed from the mounting end of the
magneto.
LEFT
MAGNETO: Magneto with crankshaft speed/position sensor. Typically installed in the left position of the
engine as viewed from the cockpit. Identified by ten (10) pin connector.
RIGHT
MAGNETO: Magneto without crankshaft speed/position sensor. Typically installed in the right position of
engine as viewed from the cockpit. Identified by eight (8) pin connector.
LVCH
HARNESS: Low voltage control harness. Connects LASAR®controller to left and right magnetos, and the
airframe.
CHT: Cylinder HeadTemperature
1.6 SELECTING THE CORRECT LASAR®SYSTEM CONFIGURATION
L-1504 LASAR®Application Guide and theApproved Parts Matrix referenced in the SupplementalType
Certificate identifies the appropriate LASAR®system configuration for each certified engine or airframe
application. For non-certified installations, the maximum engine operating temperature must be
determined by following the procedures outlined in Section 2. If the observed maximum engine operat-
ing temperature is within 50°F of the maximum limit specified by the engine manufacturer, LASAR®
ignition equipped with CHT control is recommended.

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1-5/(1-6 Blank)
Figure 1-1
LASAR®Component Layout
Engine
Non-Sensor
Magneto Sensor Magneto
Manifold
Pressure
Line
Switch
Master
Solenoid
LASAR ®
Controller
GND GND
+-
BlackRed
Green Blue
CHT Probe
(Some Applications)
Orange
Enunciator
Light
(Some Applications)
To
Aircraft
Bus
Brown Tachometer
(Some Applications)
Fuse or
Circuit Breaker

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2-1
2.0 INSTALLATION
2.1 GENERAL
2.1.1 Following are the installation instructions for the ChampionAerospace LASAR®system. The instructions
aregeneralizedand referto both 4700and 6700 seriesmagnetos, variousLASAR®controllers,and low
voltage control harnesses unless specifically noted.
NOTE: The installation procedures for Slick 4700/6700 series LASAR®magnetos are different from
conventional magneto installation procedures. Review Sections 2 and 3 completely prior to
installation.
A. General Order of Installation
• Disconnect aircraft battery.
• Install LASAR®controller.
• Prepare engine.
• Install magneto drive gears.
• Set-up engine for magneto installation.
• Install magnetos on engine.
• Time magnetos to engine.
• Check sensor and contact point synchronization.
• Install ignition harness.
• Confirm magneto switch operation.
• Install low voltage control harness.
• Connect manifold pressure source power.
• Connect LASAR®controller.
• Reconnect aircraft battery.
• Ground test LASAR®system.
• Installation of systems with CHT control.
• Installation of systems with cockpit enunciator light.
• Installation of systems using the tachometer signal.
B. Tools Required
• T-300 SynchroLASAR®
• General Shop Tools
2.2 INSTALLATION OF BASELINE LASAR®SYSTEM
2.2.1 DisconnectAircraft Battery
A. Disconnect the negative lead from the aircraft battery.
B. Secure the negative lead away from the negative terminal of the battery to prevent inadvertent
contact.
CAUTION: FAILURE TO DISCONNECT THE AIRCRAFT BATTERY DURING LASAR®
INSTALLATION MAY RESULT IN SERIOUS INJURY, FIRE, OR DAMAGE TO THE
LASAR®CONTROLLER.

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2.2.2 LASAR®Controller Installation
NOTE: The LASAR®controller requires mounting within the aircraft. Because of the diversity of air-
frame and engine installations for which LASAR®is approved, particular mounting details will
vary from airframe to airframe. Install the LASAR®system using FAAAdvisory Circular 43.13
and this manual as guides. Refer to the following Figures 2-1 through 2-3 which illustrate a
typical Cessna 172 installation.
A. Select a suitable location to mount the LASAR®controller. Be sure that the mounting bracket will
not interfere with or affect the aircraft structure. Minor rerouting of wiring or relocation of the
accessories may be required. The LASAR®controller and associated cables should be mounted
away from heat sources, clear of the exhaust, engine control linkages, and any other system
critical to the airworthiness of the aircraft.
B. Position the LASAR®controller so that the cable connector is facing downward or toward the
center of the aircraft. DO NOT mount the LASAR®controller with the cable connector facing
upwards or in any other manner that would allow contaminants to collect in the well of the con-
nector.
C. The LASAR®controller mounting bracket will accept .25 inch diameter bolts. Secure the LASAR®
controller using four bolts with appropriate washers and nuts or other appropriate mounting
hardware. The installation shown in Figures 2-1 and 2-2 as a guide utilizes four eachAN4-5 bolts
(.25 inch diameter),AN970-4 washers, andAN363-428 nuts.
NOTE: Mounting hardware sourced locally.
2-2
Figure 2-2
LASAR®Mounting - Cockpit Side of Firewall
Figure 2-1
LASAR®Mounting - Engine Side of Firewall

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2-3
LASAR®controller
mounting location. See
view ‘A’ for hole pattern
location and dimensions.
6.55"
17.2"
2.05" 6.75"
0.25" Dia.
Typical 4
Places.
Dimensions are approximate and may be
adjusted as shown to avoid interference
between rivet heads and controller
mounting bracket. Lay out hole pattern
and fit controller prior to drilling holes
through firewall.
See Installation Instructions,
Fig. 2-1 for addition detail.
Firewall
“Kick”
View Looking Aft At Firewall
Figure 2-3
LASAR®System Installation
2.2.3 EnginePreparation
A. Remove the existing ignition system from the engine. If equipped, remove the starting vibrator
and wiring.
WARNING: THE MAGNETO IS “ON” WHEN THE IGNITION SWITCH WIRE (P-LEAD) IS
DETACHED FROM THE MAGNETO. NORMAL PRECAUTIONS MUST BE TAKEN TO
PREVENTACCIDENTAL ENGINE IGNITION.
B. Remove the old magneto mounting gasket from the accessory case. Clean the residual gasket
material from the mounting surface.

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2-4
2.2.4 Install Magneto Drive Gears
A. Install the magneto drive gears onto the LASAR®magneto rotor shafts.
B. Place the washer provided onto the shafts and drive gears.
C. Place the nuts provided onto the rotor shafts and torque to 120-360 in/lbs.
WARNING: USE ONLY THE NUTSAND WASHERS PROVIDED.
D. Insert the cotter pin through the nut castellations and rotor shaft and secure. If cotter pin will not
align with the cotter pin hole within the specified torque range, remove the nut and lightly lap the
bottom of the nut with a piece of emery cloth and repeat steps C and D.
2.2.5 Engine Set-Up
A. Align engine to the Base Timing Angle on the compression stroke of cylinder number one.
2.2.6 Install Sensor Magneto — Left Engine Position
NOTE: The sensor magneto is identified by the 10-pin connector.
NOTE: Left and right magnetos refer to the position on the engine as viewed from the rear of the
engine, not to the direction of magneto rotation which is noted on the magneto nameplate.
A. Align and lock the magneto rotor in the proper position for installation in the engine by inserting
the T-118 Timing Pin into the hole in the distributor block labeled “X.” See Figure 2-4. Carefully
rotate the magneto drive shaft until the timing pin is fully seated.
WARNING: DO NOT USE DISTRIBUTOR BLOCK HOLES “L” OR “R.”
Figure 2-4
Magneto Distributor Block
L
R
X
T-118
Timing Pin Ground
Strap