How to use JT-19
1. Level the machine (4 Holes on both sides of the base support the installation of expansion screws for fixation ), connect the water inlet pipe (the water inlet pipe is controlled by the solenoid valve and synchronized with the motor switch during operation ).and pull out the water outlet pipe 
2. Power on , turin on the motor and check whether there is abnormal noise during no -load opreation 
3.There are three angles of the working platform , which can be adjusted by adjusting the screwdriver
4. Replace the sand piece , cut off the power supply , open the front over , and remove the grinding wheel cover ,If it is inconvenient , remove the water spray pepe at the same time to replace the sand piece 
5.After the work is completed , clean up the residual sundries in time


Abnormal sound at work 

Machine does not work after power on 

Reason 

1. The shaft sleeve is loose

2. The flatness of grinding plate is not good

1.Click the fuse to burn out 

2. Motor burned out

30. Switch failure

Exclusion method

1. Remove the sand piece (16) and use the accessory wrench to tighten the two set screws on the shaft sleeve (2) again 

2. Replace with new sand

1. Replace fuse 

2. Built in socket 

3. Replace the motor

4. Replace the switch 



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