Knowledge

Check whether the oil pool, oil level and oil mark meet the specified standards. If they do not meet the requirements, oil shall be replenished in time.

The jack sets a partition wall in front of the tool pipe of the full cutting tunneling machine to form a sealed cabin.

​Ensure that the locking / opening process is carried out correctly to ensure the safety of maintenance personnel, and ensure that the sleeve is placed at the bottom of the travel before performing br

Use oxygen acetylene flame to bake the scratched part (master the temperature and avoid surface annealing), and bake the oil on the surface of the metal infiltrated all the year round until there is n

As the main components of hydraulic cylinder, mining single pillar, hydraulic support, gun barrel and other products, the processing quality of cylinder directly affects the service life and reliabili

The weight of the electric hydraulic jack is relatively light, and it is convenient to carry or use it.