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Replacing the Propeller

The propeller is threaded onto the shaft of the gearbox.

1. To remove the propeller, use needle-nose pliers or 

hemostats to grip the prop shaft.

2. Spin the propeller counterclockwise (if viewed from 

the front) to remove the old propeller.

3. Thread the new 100mm x 60mm  prop and spinner clock-

wise onto the gearbox shaft.

You may find that you need to replace the prop shaft in the  

gearbox should it become damaged. To replace the prop shaft:

1. To remove prop shaft, open the fuselage by cutting 

through the decal on one side of the fuselage. Remove the 

plastic dummy engine by gently pulling off the fuselage.

2. Gently grasp the white nylon nut located at the back of the 

prop shaft to prevent it from turning.

3. While holding the nylon nut, rotate the spur gear in a 

clockwise direction. The prop shaft will thread out of 

the nut.

clockwise

Replacing the Prop Shaft

Summary of Contents for J-3 Cub BL

Page 1: ...ed exclusively by Horizon Hobby Inc Multiple patents pending US patent 7 391 320 US patent D578 146 PRC patent number ZL 2007 2 0069025 2 DSM and DSM2 are trademarks or registered trademarks of Horizo...

Page 2: ...eight of only 0 85 oz 24 0 g the J 3 can be flown at a gym or in your yard without having to make a trip to the flying field The J 3 Cub is designed for experienced pilots that have previously flown 3...

Page 3: ...to observe it for at least 15 minutes Continuing to charge or discharge a battery that has begun to balloon or swell can result in a fire A battery that has ballooned or swollen even a small amount m...

Page 4: ...ctra 4 port Charger EFLC1004 Attempting to charge the battery using another Li Po charger or non Li Po compatible charger could result in serious damage Please familiarize yourself thoroughly with the...

Page 5: ...any sources outside your control This interference can cause momentary loss of control so it is advisable to always keep a safe distance in all directions around your model as this margin will help av...

Page 6: ...e 8x AA batteries Landing gear No additional equipment is needed for your J 3 Cub J 3 Cub RTF Contents J 3 Cub BNF Contents J 3 Cub BNF airplane 120mAh 1S 3 7V 14C Li Po battery 1S 3 7V Li Po battery...

Page 7: ...included in this manual Although it can be used as a quick start guide we strongly suggest reading through this manual completely before proceeding Remove and inspect contents Install landing gear in...

Page 8: ...3 2 4 Spektrum DX5e Spektrum DX6i Spektrum DX7 DX7se Note The Spektrum DX6 SPM2460 is equipped with DSM not DSM2 technology and is not compatible with the receiver of the J 3 Cub BNF Transmitter and R...

Page 9: ...X plug the battery into the receiver of the airplane The LED on the receiver will begin flashing 2 Move the sticks and switches on the transmitter to the desired failsafe positions low throttle and ne...

Page 10: ...were damaged during shipping and handling and that the controls function in the correct directions Turn the transmitter on first and lower the throttle stick completely Then plug the battery into the...

Page 11: ...ld move to the left Mode 1 Mode 2 If at any time during the test the controls respond in the opposite direction it may be necessary to reverse change the direction of operation of the flight controls...

Page 12: ...always disconnect the flight battery from the receiver unit before powering the transmitter off Note The only time you should connect the flight battery to the receiver unit before powering the transm...

Page 13: ...to spin DO NOT attempt to fly the airplane at this time Note the direction the propeller spins If viewed from the front of the airplane the propeller will spin counterclockwise If it is spinning backw...

Page 14: ...will be able to fly in other smaller less open areas Flying the J 3 Cub Start first flight using the low rate settings to become familiar with the flying characteristics before increasing the throw of...

Page 15: ...ft You may find that you need to replace the prop shaft in the gearbox should it become damaged To replace the prop shaft 1 To remove prop shaft open the fuselage by cutting through the decal on one s...

Page 16: ...9 Tape the fuselage back together with clear tape Use foam safe CA and reattach the dummy motors on each side of the fuselage Replacement Parts Optional Parts PKZ1035 120mAh 1S 3 7V Li Po Battery PKZ...

Page 17: ...ery is disconnected or remains on for longer than 40 minutes when charging AA batteries in the charger have inadequate power Replace AA batteries in the charger Problem Possible Cause Solution RTF BNF...

Page 18: ...ion or misuse no liability shall be assumed nor accepted for any resulting damage or injury By the act of use setup or assembly the user accepts all resulting liability If you as the Purchaser or user...

Page 19: ...ease include your credit card number and expiration date Any repair left unpaid or unclaimed after 90 days will be consideredabandoned and will be disposed of accordingly Please note non warranty repa...

Page 20: ...declaration described above are in conformity with the requirements of the specifications listed below following the provisions of the European R TTE directive 1999 5 EC EN 300 328 Technical requirem...

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