How to measure the pressure of the blade
Method1: Open the shell and take out the pressure gape in the tool box. Then you tear down the black part
(green circle) and install the pressure gape
Check the pressure of blade first: when you press the cutting buttons use hands, when the blade come down, the pressure gape will show the pressure.
Method 2: if you can not find the pressure gape in the tool box. Try this way
You see the difference between picture 1 and picture 2. we install the pressure gape in green part and block off the blue part. After that you can measure the blade pressure.
