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1. Selection The following props are recommended 22cm 8cm 22cm 10cm Only use propeller sizes that are recommed above for your engine The propeller blades must be of the same length Installation You must use a drill press to drill your propeller from the rear A drill guide is recommended but the propeller washer can be used as a drill template Fix the propeller washer onto the propeller in the center bore using a bolt and nut Keep your propeller balanced Engine starting procedure 1 Fill the tank with fresh filtered fuel 2 Insure that your receiver and ignition batteries are charged your receiver and transmitter are on and that your throttle is set to low Close the choke and turn on the ignition switch Rubber stick is recommend to start the engine 5 Begin flipping the prop through its compression stroke until the engine fires 6 Wait for the propeller to stop spinning turn off the ignition and open the choke s WwW 7 Switch the ignition back on and flip the propeller again until the engine starts 8 warm up the engine for 15 or 20 seconds before advancing the throttle Carburetor Tuning and Care The use of a tachometer is highly recommended And again never adjust the needles while the engine is running Tuning 1 Using the tachometer tune the engine for maximum power with the high needle H 2 Using the tachometer again richen the high needle H until the motor runs 100
2. 200 RPM less than the maximum RPM Now you should richen slightly on the high needle H Keep the engine run at idle for 60 seconds Insure that the idle RPM to be constant If the low needle L is too rich it may happen that idle RPM drops until the engine stops Lean the low needle L until a constant idle RPM is achieved Check the transition with a quick throttle advance It should sound like it is making quick steady power Care Your carburetor screen will need to be cleaned with clean gasoline and blow off with compressed air after every flight Check the choke and throttle plates for tightness Trouble Shooting Problem1 The engine is flooded Solution Remove the spark plug turn the engine to a position where the fuel runs out and clean it Check the connections of spark plug screws restart the engine If it failed to start again please send it back to After sale service center for repair Problem 2 The engine starts after being choked but then stops soon after Solution The low needle on the carburetor is probably too lean Adjust the Low End needle until you achieve a smooth idle and a reliable transition to high throttle Generally if the motor stutters or coughs in the mid range or when the throttle is advanced the low end needle is too rich and possibly even the high end needle Problem3 The engine runs rough and is vibrating strongly Solution Balance the propeller Check the ignition timing Check your p
3. eguipped with a diaphragm pump carburetor making tank location not critical relative to the carburetors fuel entry position Place the tank on the aircraft s center of gravity CG Then aircraft trim changes during flight will not be necessary from a full to an empty tank Fuel Clean petrol 93 is strongly recommend for your DLA engines Lubrication Ratio of trial Run is 30 1 while normal flying is 40 1 Higher octane fuel will not generate more power and may cause the engine to run slower and overheat Note Damage caused by fuel additives such as nitro over lean carb settings over advanced timing and over heating are not covered under warranty Ignition system It is important to understand how the ignition system is to be wired Mount the ignition module using the four supplied rubber grommets so as to create a 1 16 gap between the ignition module and the mounting surface Without this 1 16 gap the ignition module can overheat Important If the electronic ignition overheats it will malfunction e g backfiring or shutting down Ignition details The red cable is positive while the black is negative Working voltage 4 8v 6v It is important to achieve the correct coordination of the sensor s to the magnets for fitting a new ignition The propeller selection and installation Make sure the prop spinner and prop bolts before each flight Loose prop bolts allow prop movement which will shear the bolts
4. DLA112 lm TOPLEVEL GASOLINE ENGINE USER MANUAL Manufactured by FeiaoModel User Manual Thanks for purchasing DLA series engines please read all of the instructions below before starting your engine especially the Safety Instructions About DLA engine Your DLA engine has been specifically designed developed and manufactured from proprietary components for giant scale modeling it is very powerful extremely lightweight easy to adjust and operate and should provide years of outstanding performance The main components of the engine such us the spark plug ignition system bearing and carb are all imported from world famous brands The crankcases which are machined from aluminum alloy make the engines wear and damage resistant Besides excellent fit and finish precise bearing alignment is insured which is critical to engine performance The reliable auto advancing our ignition system insures easy starting and excellent performance This ignition provides a powerful spark yet is fully shielded to insure protection from R F noise TECHNICAL DATA Performance 11 5HP 7500rpm Idle speed 1400rpm min 24 5Kg Pulling Force 100meters Altitude 21Kg Pulling Force 1800meters Altitude Propeller 26cm 12cm 27cm 10cm 28cm 10cm Spark Plug Special type Parameter Ehaust Amount 112cm3 Diameter stroke 45 1 mm 35mm Ratio of compression 7 8 1 Lubrication Ratio 30 1 Trial Run 40 1 50 140 1 Normal Flying Weight Ma
5. dirt gravel power cords ropes sand etc Loose material can be drawn into the turning prop causing injury or damage Engine installation 1 Make sure each engine comes with a firewall mounting plate drilled with four holes for 10 size screws 2 A spacer is needed to keep the cooling fins away from the firewall where the firewall is larger than the engine plate o 3 In order to make sure the engine does not speed excessively without a positive control installed throttle return springs must be left in place 4 After you have connected the return spring to the throttle servo you may unhook it do not remove it since it acts as a spacer for the butterfly The butterfly will work loose by removing the return spring 5 The ignition battery should be mounted externally near the cowl at least twelve inches from the receiver or throttle servo that connects to the receiver 6 The carburetor needs at least 1 1 2 38mm of clearance between the intake and the bottom of the cowl If there is less than 1 1 2 make an opening in the cowl below the carb at least as large as the carb intake diameter 7 Along narrow screw driver is recommend to drill small holes in the cowl for adjusting the needle valves since the carburetor must often be adjusted differently with the cowl on as compared to off 8 These engines burn between one and two ounces of fuel per minute Therefore a 32 ounce or larger tank is recommended The engines are
6. in engine 2510g muffler 117g Ignition 120g Safety Instructions before starting engines ie This engine is not a toy Serious injury and or death can occur from its misuse READ and become familiar with this entire instruction manual LEARN the engine s applications limitations and possible hazards DLA is not responsible for any loss injury or damage resulting from the miss use of its products Keep all spectators at least 30 feet away from the engine while operating the engine 2 Do not put anything i e fingers body parts objects et al into the rotating propeller 3 Wear proper apparel Do not wear loose clothing gloves neckties jewelry or neck straps which may get caught in the moving propeller 4 Always wear eye protection when starting the engine 5 Inspect motor mount bolts and firewall integrity before operating the motor 6 Turn off the motor before making any adjustments 7 Always use the proper size and well conditioned propeller 8 Always use the correct length propeller bolts and make sure they are tight before every flight screw thread locking glue is recommended Remember to keep engine fuel in a safe place away from any sparks excessive heat or anything which could ignite the fuel Remember that gasoline mixture is highly flammable and must be handled with extreme caution Do not smoke while running or operating the engine 10 Do not run the motor near loose material such as
7. lumbing for air fuel leaks Check your spark plug for carbon and check the spark plug gap Check the motor mount to be sure it is rigid Check to make sure the engine is mounted on a level surface so that crankcase is free of tension Check the engine and propeller bolts Problem4 The engine doesn t reach a normal RPM at full throttle Solution Check A The carburetor settings B See if the propeller is too large C See if the engine is overheating D The ignitiontiming E The spark plug for defect Verify A You have the correct muffler system B You have the correct gasoline oil and havemixed them with the correct ratio DLA WARRANTY POLICY DLA engines include a limited TWO YEAR WARRANTY ON MATERIALS AND WORKMANSHIP to the original purchaser This warranty does not cover the following Damage caused by improper handling operation modifications or maintenance Damage caused by a crash Damage caused by using improper fuel or additives Damage incurred during transit to after service center Company Xi an FeiaoModel Co Ltd Address 506 Xitie Gongcheng Building NO 205 Jinhuabei Road Xi an 710032 Shaanxi China Tel 0086 29 68965278 Fax 0086 29 82197815 Email Jessica feiaomodel hotmail com Vera ufomodel hotmail com Emily feiaomodel yahoo com

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