User manual YS DZ170CDI

[. . . ] The engine must be at top dead center on the compression stroke before any adjustments are made. If the valves are set too loose, power will be affected. Engine, Plug Ignition Box 9, 000rpm 58 68. 6 57 Battery 63 25 14 Ignition Box Switch Red Fig2 Cam Gear Timing If for some reason you have to disassemble your engine, please follow these important steps on reassembling the cam gear. Notice the impression mark or dot opposite the rod journal on the crankshaft. This mark is to point straight down or lined up with the outer case seam line at the bottom and hold crankshaft securely. [. . . ] Select a good quality propeller and follow instruction by manufactures. Be sure not people standing front and sides of propeller while running. Use electric starter to start the engine with idle position of the carburetor. After start the engine, move behind of propeller and well adjust needle setting before you fly. 7. Do not touch engine, exhaust header, muffler, and any parts attached to the engine while engine runs or before cool it down. Ignition system develops extreme high voltage so please careful when filter screens in place. Because of this pomp system, fuel level of the tank will not influence of engine runs, you can place fuel tank near C. G. Please consider avoid cutting ignition wires by vibration when you do wir ing. Use plastic "spiral wrap" supplied the engine set to wrap the shielded plug wire and timing censor wire. Some of the ra dio needs to be apart them over 30cm to avoid radio interference. Wrap the ignition box in form rubber or other vibration absorbing material, same manner of receiver, and fasten. Do not use bracket holes on the box for fasten directory to the airplane. Cleaning This engine is using silicon gaskets, "O" rings etc. Do not use Kerosene, Gasoline, Machine oil, Automobile parts cleaner or house hold lubricants to clean. It will harm silicon parts. Battery for CDI Unit Use 4. 8V Ni-Cd or Ni-MH batteries capacity around 700mAh. If you use Li-ion or Li-Po battery, use voltage regulator to reduce voltage under 6V. We are not recommended to share with receiver battery for CDI power supply. Engine Cooling Be sure to secure cooling air for engine cooling. If it is not enough cooling air for the engine causes heat up the regulator and carburetor to make vaporized or percolates the fuel and will get deteriorations of engine performance or stop the engine. Take off cowling when you make long engine adjustment included idle adjustment. When air temperature is high, it may heat ups the regulator and carburetor to make vaporized or percolate the fuel even with out cowl ing. If it happens, wait till engine well cooling down before you restart and adjust. 9. Please be ex tra care for safety when never you operate the engine. you operate. It is very dangerous to modify the ignition systems by your self. Fuel 1. [. . . ] Please note that with this clunk, all of the fuel cannot be used from the tank. As soon as any part of the clunk becomes exposed, the engine will stop due to air entering the fuel pump. Tappets Adjustment 1. Clearance adjustment may need after first one hour running time due to initial wear. After first adjustment, clearance should be checked as normal maintenance for every 10 hours running for maintain maximum perfor mance. Parts and Repair Service If you can not find repair parts form hobby shops, you can order parts direct to our factory. [. . . ]