1. When the beam is lifted, the locking screws must be loosened first, and the screws should be tightened during work.
2. Nws tsis raug tso cai los kho qhov mob stroke ntawm ram thaum lub sijhawm ua haujlwm ntawm lub tshuab cuab yeej. Thaum kho qhov mob stroke ntawm lub ram, nws tsis raug tso cai siv txoj kev tapping kom loosen lossis nias qhov hloov kho.
3. Lub stroke ntawm tus ram yuav tsum tsis txhob tshaj qhov kev teev tseg. Tsis txhob tsav tsheb ntawm kev kub ceev thaum siv sijhawm ntev dua.
4. Thaum lub worktable yog motorized los yog shaken los ntawm tes, yuav tsum tau them nyiaj mloog mus rau qhov txwv ntawm lub taub hau ntsia hlau stroke los tiv thaiv cov hlau lead ntsia hlau thiab txiv ntseej los ntawm disengaging los yog ua puas lub tshuab cuab yeej.
5. When loading and unloading the vise, it should be handled with care to avoid bumping the workbench.
