1.}} Thov npaj rau kev hloov ntawm cov khib nyiab ntawm lub sijhawm, thiab nco ntsoov tias muaj kaus mom tiv thaiv kev nyab xeeb.
2.}}}}} ine txhawb nws nrog cov khib nyiab botterout {}}}}}}}}}
3. Nrhiav cov breaker hauv txoj haujlwm uas tau hnav, thiab ntxuav lub rauj taub hau {}} rub tawm tus pin dua.
4. Lift the prepared new breaker to the mouth of the crusher, and hold the hammer head when prying open it with a crowbar to prevent it from slipping to the side and hurting people. Build a pipe from the grate bed to the crusher rotor, push the breaker to the appropriate position, and install the fixing sleeve, pin and bolt.