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Piper J3
Assembly Manual
Color Y
Color W
Color R

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Summary of Contents for General Hobby Piper J3

  • Page 1 Piper J3 Assembly Manual Color Y Color W Color R...
  • Page 2 Caution! You should not regard this plane as a toy! To ensure safety, please read this instruction manual thoroughly before assembly. Building and operating a model plane requires diligent practice and correct guidance. An inexperienced flyer can cause serious injury and property damage.
  • Page 3 Main wing assembly Attn:...
  • Page 4  Put the servo into servo hole. Drill holes for servo mounting screws.  Install servo with servo mounting screws. Repeat servo installation process for all aileron and flap servos.  Install the control horn.  Adjust the horn and servo arm. Fix the horn in place firmly. Install the ball link and push rod .
  • Page 5 Strut assembly and installation...
  • Page 6  Find out the strut parts. Assemble them as shown.  Lock the strut onto the wing with screws.
  • Page 7: Main Landing Gear

    Main Landing Gear  Find out the pressures for the landing gear install.  Screw the landing gear onto the fuselage with pressers.  Install the wheels between to wheel collars.
  • Page 8 Tail wheel Unit  Drill a hole and make it fit the steering tube. (Do not glue it into position untill the tail wheel installation step is completed.)
  • Page 9  Assembled photo for the tail wheel parts.  Use the tail wheel bracket as a template and drill holes for the mounting bolts.  Install the blind nuts through the openning in the rear of the fuselage.  Attach the tail wheel bracket and secure the bolts with Blue Loctite.
  • Page 10: Rudder Installation

    Rudder Installation Find out the slot pre-opened for rudder control horn, remove the film Fit the control horn into the slot, measure the correct length for it Cut the longer part. Glue the horns into the rudder of each side Repeat the same method on the other side of the rudder.
  • Page 12: Stab And Elevator Installation

    Stab and Elevator installation...
  • Page 13  Cut out the holes on the elevator  Mount bottom wing to fuselage. Slide the stab through the pre cut stab slot at the rear of the fuselage.  Center stab in fuselage  Align stab to wing. Ensure all dimensions are equal for both left and right sides.
  • Page 14 Stab servo and Rudder servo Installation  Connect the control horn, pushrod, and ball links.
  • Page 15: Engine Installation

     Put the control horn into the slot, glue it to the stab on each side  Cut out the servo holes in each side of the fuselage tail. Then fix them up as shown Engine Installation Pre-marked holes for the engine, and also there is center line for you to measure if your engine is fit for the screw holes or not.
  • Page 17: Fuel Tank

    Fuel Tank Install the inside parts of fuel tank as shown. Assemble the outside fuel pipe as shown. Tighten the velcro ties secure the fuel tank.
  • Page 18 Stairs Find out the stairs and the self-tapped screw. Lock the stairs onto the wings at back side.
  • Page 19: Windows And Doors

    Windows and doors Find out the doors and windows Install the hinges and the locks as shown...
  • Page 21 Piper J3 100CC D = 180 mm Piper J3 35CC D = 105mm...
  • Page 22 Trail run the Engine to check its stability at high speed and low speed to ensure there are no problems with vibration on the model. Run the motor at high speed about 30 min, check the Engine and make sure the temperature is below the prescription of manufacturer.

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