電動扳手的使用操作要點：
Operating points of electric wrench:
1、在工具接通電源前，需要檢查開關(guān)處于斷開狀態(tài)才能插入。
1. Before the tool is powered on, check that the switch is off before inserting.
2、確認(rèn)現(xiàn)場接電源與電動扳手需要電壓是否相符，是否接有漏電保護(hù)器。
2. Confirm whether the on-site power supply is consistent with the voltage required by the electric wrench and whether the leakage protector is connected.
3、根據(jù)螺母大小選擇匹配的套筒，并妥善安裝。
3. Select the matching sleeve according to the size of the nut and install it properly.
4、電壓過高過低均不宜使用。
4. Neither too high nor too low voltage is suitable for use.
5、不要將簡體當(dāng)做錘擊工具使用。
5. Do not use simplified Chinese as a hammering tool.
6、不要在手搖桿上增加套桿或撬棒后加力。
6. Do not add a sleeve bar or a crowbar on the hand lever to apply force.
7、電動扳手的金屬外殼需要可靠接地。
7. The metal shell of the electric wrench shall be reliably grounded.
8、檢查電動扳手機身安裝螺釘緊固情況，如果發(fā)現(xiàn)螺釘松了，需要立即重新扭緊。
8. Check the fastening of the mounting screws of the electric wrench body. If the screws are found to be loose, they need to be re tightened immediately.
9、檢查手持電動扳手兩側(cè)手柄是否完好，安裝是否牢固。
9. Check whether the handles on both sides of the hand-held electric wrench are intact and firmly installed.
10、站在梯子上工作或高處作業(yè)應(yīng)做好防止高處墜落措施。
10. Measures to prevent falling from height shall be taken when working on a ladder or working at height.
11、如果作業(yè)場在遠(yuǎn)離電源的地點，需延伸線纜時，需要使用容量足夠、安裝合格的延伸線纜。
11. If the operation site is far away from the power supply, when the cable needs to be extended, the extension cable with sufficient capacity and qualified installation shall be used.
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