How to fix the dental electric handpiece 1:5 increasing contra angle?
We will share the steps on how to repalce the 1:5 high speed handpiece cartridge and gear.
Recently one of our dental handpiece dealers and dental business friend asked us how to repair 1:5 red contra angle ? What special dental handpiece maintain tools are needed? Is it possible to make a video of the handpeice repair? In this case,we shared a video to him based on our experience on repairing denal handpiece from China, if you have the same need in the future, you can write to us and we will send you this repair video.
Usually only the 1:5 increasing contra angle cartridge and contra angle middle gear need to be replaced, here are the steps of repair for your reference.
Steps of fixing the dental handpiece 1:5 increasing contra angle
1.Unscrew the long screws
- Find a thin screwdriver with a diameter of 1mm.
- Use the thin screwdriver to unscrew the long screws inside.
2.Take out the long screws
- Observe the position of the long screws.
- Gently take out the long screw.
3.Take the head and body apart
- Head in one hand, body in the other.
- Slowly take the head and body apart.
4.Take the head and middle gear apart
- Find the similar pliers in size to the video.
- Use the pliers to hold the middle gear in place.
- Unscrew the head from the middle gear.
5.Remove the head from the gear
- Check the suitable position of head and gear.
- Remove the head from the middle gear gently.
6.Open the back cover
- Find the wrench from the original contra anlge package.
- Use the wrench to open the back cover.
7.Take out the cartridge.
- Take out the cartridge.
- Repalce new cartridge and middle gear.
More handpiece maintenance advice
Maintenance and repair of dental handpieces is very important, such as why 1:5 contra angle doesn’t rotate, how much air pressure should be used, and what to do if bur stuck,etc.
For more details of China dental handpiece, you can refer to our previous blog and send email to us.