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13

Installation of the Auto-Choke Ignition Unit

While installing the ignition unit in your model, be careful to have all parts that are connected to the unit and the engine situated as far 

as practical from the radio receiver and radio antenna. The throttle servo should be mounted a distance of 8–12 inches from the engine. 

The spark plug cable must not touch any part of the model structure as vibration may damage the cable. If this is not practical, it will be 

necessary to provide an insulation material for the cable. Secure the ignition unit to the airframe using the provided hardware. Install the 

bolts through the three rubber grommets and tighten securely.  The grommets help to dampen the ignition unit from vibration. DO NOT 

HARD MOUNT. Your Evolution ignition module has steel braided spark plug leads with grounding straps. Attach the grounding strap lead to 

a cylinder base bolt or suitable place on the engine, and push the spark plug cap firmly on the spark plug. Install the spiral wrap spark plug 

lead covering to protect the plug lead steel braiding from any possible chafing.

LED Blinking Patterns

1

  Ignition

2

  LED

3

   Programming cable

   Power cable

ICU–B 

Min 9V

    

Max 13V

C onnect LED indicator to the ignition 

box (red/black wire to “+”).

U sing the included connector, plug your 

battery pack into the ignition box.

F ive seconds after connecting the  

battery, the LED indicator should go 
out. If the LED is blinking after you 
connect the battery, the battery’s  
voltage is too low.

2

3

1

4

LED

4

Technical Data

* if battery test is enabled                     

Version

210 g

Weight

3x Li-Ion/Li-Po* 11.1V

Power supply

9x Ni-Cd / Ni-MH* 9–13V

9V*

Minimal battery voltage*

13V*

Maximum battery voltage*

Sleep mode after 90 seconds of engine inactivity
Battery level signalization *
Ignition goes off if engine runs counterclockwise

Choice of preignition curve

Preignition point

240º / 120º

Location of the magnet

1Ah

Min battery capacity

Never use ignition with plug cap removed from plug!   Before first 

flight, do a range check with running engine. 

Summary of Contents for Evolution 152GX

Page 1: ...2008 Manufactured exclusively for Horizon Hobby Inc www evolutionengines com 877 504 2333 13207 Printed 10 08...

Page 2: ...Evolution Engines 152GX USER GUIDE...

Page 3: ...you have the help of an experiencedmodelerduringthefirstfewflights Yourlocalhobbystoreorflyingclubcanput youintouchwithanexperiencedpilotinyourarea Table of Contents Introduction 3 Contents Included 5...

Page 4: ...l enable Horizon to better answer your questions and service you in the event that you may need any assistance For questions or assistance please direct your email to productsupport horizonhobby com o...

Page 5: ...40 ball link Make sure that the linkage is free to operate from low throttle to high throttle and confirm that the low throttle setting on the transmitter closes the carburetor butterfly to the low i...

Page 6: ...the throttle valve is opening It will lean the mixture at low rpm and at idle Conversely the mixture will become richer as the throttle is opening This system provides better acceleration to high spee...

Page 7: ...ervosandhigh torqueservos consumemorecurrentthantheignitionsystem scircuitryisdesignedtoprovide Iftheservoyou veconnectedquiversorwon tworkatall itscurrentdrawisprobably toohigh Ignition System Warnin...

Page 8: ...r about 2 seconds If LED turns off you can fly otherwise battery is low FIRST STEP Screw pickup on engine Attach the plastic protection to the high voltage cable Connect boot to plug Mount ground term...

Page 9: ...filling the fuel line to the carburetor then switch the ignition to the ON position Flip the propeller smartly until the engine fires With the choke in the closed position the engine will fire then q...

Page 10: ...rpm range Stop the engine and recheck the fuel feed the fuel line must not be pinched or broken Restart the engine and test acceleration again If the problem persists adjust the carburetor Open the l...

Page 11: ...order of the components Check the vacuum feed line Mechanical Faults If the engine cannot be turned over easily The piston in the cylinder may be seized loosen and unscrew the cylinder bolts Carefull...

Page 12: ...ication Standard Unleaded 91 octane Oil with gasoline in mixture 1 30 Oil with gasoline in mixture 1 40 Evolution Engines Auto Choke Ignition System The spark ignition included with your Evolution gas...

Page 13: ...bolt or suitable place on the engine and push the spark plug cap firmly on the spark plug Install the spiral wrap spark plug lead covering to protect the plug lead steel braiding from any possible cha...

Page 14: ...1 Using the throttle stick close the choke until it closes completely Wait until the LEDblinksonce indicatingtheignitionhas memorizedthe closedchoke position 2 Using the throttle stick open the choke...

Page 15: ...15 152GX Parts Diagram...

Page 16: ...haft Assembly EVO30010308 Carburetor Flange Screws Set EVO30013309 Spark Plug EVO30941405 Ignition Sensor Fixing Screws EVO3010i1101 Drive Washer EVO30101102 Drive Washer Key EVO30011103 Propeller Nut...

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