User manual CRRCPRO GF40I

[. . . ] CRRCPRO ENGINE MANUAL Thank you for choosing our product, hoping that it can keep company with your degree over a pleased time . In order to make it performance comfortable and safety to use it , please read this manual carefully. Parameter: Type : 2 cycle piston valve type gasoline engine for airplane only Displacement (cc) : 40cc Bore x Stroke (mm): 41mm*30mm Dry Weight (kg) : 1410g (Without ignition battery ) Carburetor : Walbro(Diaphragm butterfly valve type) Maximum Output : 3. 95ps / 7200rmp speed rang : 1600-9500rpm Ignition : DC-CDI Iis - lgnition : 6V Gasoline-Version : Pre-mixed Fuel, 30-40 (Gasoline)1 Lubrication Oil : 2 cycle engine oil Propeller Cooling System Waring! [. . . ] All spectators should be kept a safe distance away from the running engine. Do not wear loose clothing, gloves, neckties, jewelry, or neck straps for your radio which may get caught in the moving propeller. Do not operate this engine if you are under the influence of any drugs, alcohol or medication that could affect your ability to use the engine properly. And, therefore we do not accept any responsibility for damage, or injury from their usage. Carburetor settings: Before each engine is shipped it has to pass QC and is then test run. Highspeed needle H: 1 1/2 Low speed needle L: 1 1/3 (If don`t has grasped, please do not adjust) Important: Do not remove the carburetor spring as the spring helps keep the carburetor butterfly aligned properly. Merely release the ends of the spring so that it no longer holds the butterfly closed. Engine runs fine on the ground but get very rich on takeoff and in flight 3 This is typically caused by a positive pressure building-up inside the cowl, or the carb diaphragm vent hole being exposed to direct prop blast or ram air. Engine Break In 1. Use a 2 cycle engine oil 2. Use a mixture of 20-1 or even 25-1 3. Use this fuel mixture for approximately 2-3 hours of run time 4. Use a high Octane unleaded fuel (98 Octane is ideal) We suggest starting the break in process of the engine on a test stand; for approximately one hour. Do not run the engine at full throttle for more than ten seconds during this test stand break in. The reason for this is that you are not getting the normal cooling effect that you would if the engine was in a model that was flying. Important: 1. Remember that when the engine running ever person must stay behind the line of the rotating propeller; never to the side or the front!2. The engine needs 12-20 hours running time for the break in process to be 100% complete. Also to keep this air cooling process working the incoming air must be exhausted. Further, the exhaust air outlet should be four times (4X) the size of the cool air intake. 40 square inches of exhaust air outlet area It is up to you to insure that the air flows freely to, over, and away from, the hot cylinder(s) and muffler(s). Please refer to Engine Installation for motor box considerations, and to the following tips on baffling. Note: 1. The DC-CDI is a very accurate electronic equipment, Offers enough fire energy and normal rotational speed of maintaining of engine from it to spark plug 2. We offer the guarantee of one year to this department product (Base on the premise that the appearance has not been damaged ) 3. Please don't try to resolve and repair it, We will not bear any responsibility to dismantle and resolve the consequence that DC-CDI cause without permission. [. . . ] 4. Please put the DC-CDI far from receiver and servos 5. The DC-CDI uses the tributary battery group of 6v to supply power(5 cell Ni-cd or Ni-ch Batterys ) 6. It is forbidden to use metal materials to be the connect line of engine throttle, so as to avoid affecting the receiver. 7. Do not connect the power supply before the ignition plug is plugged into the shielding cap, so as to avoid high tension ignition inside the electronic igniter. 8. Please use a separate power supply, and do not share a common poer with the receiver, so as to avoid affecting the receiver. 7 CRRCpro Group China www. crrcpro. com 8 [. . . ]