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Zenoah G200PU manual

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Table of contents for the manual

  • Page 1

    O WNER'S MANU AL Thank you for purchasing a ZENOAH engine. ● Please read this Service Manual thoroughly and use the engine correctly. (For safety reasons, please contact your sales dealer prior to using the engine if there is something about it that you do not understand.) ● This engine has been designed for radio control airplanes. Please[...]

  • Page 2

    2 Specifications .......................................................................3 Safety Precautions ...............................................................4 Engine Assembly .................................................................6 DC Ignition Unit Mounting ....................................................7 Fuel and Pipi[...]

  • Page 3

    3 NO. ITEMS SPECIFICATIONS 1. Engine model G200PU 2. Displacement 20.1cm 3 3. Bore x stroke ø32mm x 25mm 4. Weight 990g (not including DC Ignition Unit) 5. Carburetor type WT-811 6. Ignition Battery ignition; digital control 7. Sparkplug Champion Y82 8. Rotating direction Counterclockwise (from PTO side) 9. Starting method External motor 10. Senso[...]

  • Page 4

    4 ● These safety precautions are to prevent you and those in the vicinity from incurring harm or damage. Make sure to observe these precautions and to constantly strive to ensure safety. ● Safe use of the engine is your personal obligation and responsibility. Constantly take care to act with good judgment as you enjoy your hobbies. •M ake sur[...]

  • Page 5

    5 • Special caution must be taken with all propellers used. Make sure to use them correctly, in keeping with the manufacturers’ operating manuals, etc. Failure to do so could result in injury. • Please wear clothing that facilitates your safety. Remove all scarves, overly long sleeves, neckties and the like. Failure to do so could result in i[...]

  • Page 6

    6 The carburetor, muffler, and air funnel have not been assembled. Please assemble them correctly, following the diagram shown below. ENGINE ASSEMBL Y No. Part Part no. Quantity 1. Bolt 01252-30540 2 8.8 2. Muffler 848EW015A0 1 3. Gasket 1140-13141 1 4. Gasket 848H7014C1 1 5. Carburetor set 848EW09710 1 6. Air funnel 848ES08300 1 7. Bolt 8488455000[...]

  • Page 7

    7 1. Make sure to install the power switch. 2. Push the sparkplug cap all the way over the sparkplug. (use gloves) 3. Fixate the unit within the fuselage, as shown in the diagram. Do not wrap the unit by the sponge, cloth or the like. 4. The temperature of the bottom surface (D) of the unit, in particular, will rise. Thus, when fixating surface (D)[...]

  • Page 8

    8 ● For gasoline, please use either regular or high octane, for cars. (The octane number should be 85 or higher.) ● For oil, use a high-performing mixed lubrication type of 2-cycle engine oil (F3C grade or ISO EGC grade) and make the fuel volume ratio 1 (oil) to 25-40 (gasoline). ● For fuel piping, refer to the diagram shown below. FUEL AND P[...]

  • Page 9

    9 ● Mount the throttle arm to the carburetor’s throttle shaft as shown in the diagram or use the throttle valve stopper plate located at opposite side. THROTTLE LINKAGE AND ENGINE MOUNTING Throttle arm (not supplied) Stopper screw Shaft diameter: 4mm CG line CG line M4 bolt x4 Claw nut x4 Engine mount Fuselage bulkhead (firewall): 8mm or more, [...]

  • Page 10

    10 ● Please determine the propeller to use in keeping with the airplane’s size, gross weight, and flight characteristics. If necessary, consult with someone who has the proper experience. Guidelines for an APC propeller: about 8.300rpm / 15x10, about 8,900rpm / 15x8 ● Fuel pump for gasoline ● Electric starter device ● Make sure that durin[...]

  • Page 11

    11 ● Close the choke lever and open the throttle valve 10% to 15%. ● Pressing the tip of the starter to the engine’s spinner, press the start switch for 1-2 sec and let the engine rotate. ● If the engine has made an explosive sound, suspend the starting operation and start by opening the choke lever and rotating the engine using the starter[...]

  • Page 12

    12 (A) ADJUSTING THE IDLING ● After engine startup, set the idling at about 2000rpm, turn the L needle to the right (to reduce fuel), and search for the position for the max. engine speed. From that position, turn the L needle about 1/4 (90°) to the left (to increase fuel), set the idling speed with the idle screw or the transmitter. (B) ADJUSTI[...]

  • Page 13

    ● Different from a glow engine, this engine does not require any special brake in. ● After 5~10 tanks (2~3 hours), adjust the carburetor’s L and H needles if necessary. ● After about 5 hours’ running, the max. engine speed will be slightly increased from initial max.speed, owing to the engine having been conditioned. STOPPING THE ENGINE ?[...]

  • Page 14

    14 To ensure safe use of the engine, make sure of the items specified in the table below. MAINTENANCE Cylinder, carburetor, muffler, Leakage & breakage ✔✔✔ crankcase, Fuel pipe, etc. Idling stability ✔✔✔ Is it stable? Is acceleration okay? Sparkplug – ✔✔ Remove deposit; adjust air gap Cylinder – ✔✔ Check for wear & s[...]

  • Page 15

    PROPELLER HUB REMOV AL ● Remove the propeller hub as specified below. 15 TIGHTENING TORQUE CHART Tightening Torque Part Screw Size N-m Kg-cm Remarks Cylinder M4 (P0.7) 3.9 40 Sparkplug M10 (P1.0) 7.8 80 Using the tool provided Muffler M5 (P0.8) 8.5 90 Crankcase M4 (P0.7) 3.9 40 Insulator M4 (P0.7) 3.4 35 Carburetor M5 (P0.8) 3.4 35 Sensor M4 (P0.[...]

  • Page 16

    OTHER INFORMA TION This information is to enable our customers to enjoy radio control airplanes more, but all customers must take responsibility if they implement it. ● With this engine, the muffler side and the carburetor can be reversed by re-assembling the cylinder and piston. ● The crankcase is made of magnesium. During processing, allow fo[...]

  • Page 17

    KEY# PART NUMBER DESCRIPTION REMARKS Q'TY/ UNIT 17 P ARTS LIST 1 848EW08100 CARBURETOR ASSY 1 2 3306-81380 • SCREEN 1 3 3080-81120 • COVER 1 4 3310-81130 • SCREW 1 5 3304-81140 • GASKET 1 6 1172-81150 • DIAPHRAGM 1 7 2850-81290 • GASKET 1 8 3310-81260 • DIAPHRAGM 1 10 3310-81280 • METERING COVER 1 12 2867-81270 • SPRING 1 13 [...]

  • Page 18

    18 P ARTS LIST[...]

  • Page 19

    KEY# PART NUMBER DESCRIPTION REMARKS Q'TY/ UNIT KEY# PART NUMBER DESCRIPTION REMARKS Q'TY/ UNIT 19 25 1152-43290 WASHER 1 26 8488608000 NUT 1 27 848EW071N0 SENSOR 1 28 8488441400 BOLT 2 29 3699-92369 SPARK PLUG 1 Y82 30 848EW053X0 MOUNT PLATE 1 31 3819-54780 SCREW 4 32 848EW07120 UNIT ASSY 1 33 01252-30410 B0LT 1 34 01641-20405 WASHER 1 3[...]

  • Page 20

    20 ● Scope of Application This warranty applies only to the engines and parts manufactured by ZENOAH and sold directly or through distributors. ● Limit of Warranty This warranty shall apply only to trouble resulting from material defects and inferior assemblies that ZENOAH acknowledges. ● Method and Limit of Compensation 1) Repair or replacem[...]