電動扳手檢驗試驗及保養(yǎng)
Inspection, test and maintenance of electric wrench
1電動扳手的金屬外殼應(yīng)可靠接地，其外殼應(yīng)有定期檢驗試驗合格證，并在有效期限內(nèi)。
1 The metal shell of the electric wrench shall be reliably grounded, and its shell shall have the certificate of regular inspection and test, which shall be within the validity period.
2檢查電動扳手機身安裝螺釘緊固情況，若發(fā)現(xiàn)螺釘松了，應(yīng)立即重新扭緊，否則會導(dǎo)致電動扳手故障。
2 Check the fastening of the mounting screws on the body of the electric wrench. If the screws are loose, they should be retightened immediately, otherwise the electric wrench will fail.
3檢查手持電動扳手兩側(cè)手柄完好，不開裂可破損，安裝牢固。
3 Check that the handles on both sides of the hand-held electric wrench are intact, not cracked or damaged, and firmly installed.

電動扳手使用和操作注意事項
Precautions for use and operation of electric wrench
1、確認(rèn)現(xiàn)場所接電源與電動扳手銘牌是否相符。是否接有漏電保護器。
1. Confirm whether the on-site power supply is consistent with the nameplate of the electric wrench. Whether leakage protector is connected.
2、根據(jù)螺帽大小選擇匹配的套筒，并妥善安裝。
2. Select the matching sleeve according to the size of the nut and install it properly.
3、在送電前確認(rèn)電動扳手上開關(guān)斷開狀態(tài)，否則插頭插入電源插座時電動扳手將出其不意地立刻轉(zhuǎn)動，從而可能招致人員傷害危險。
3. Before power transmission, confirm that the switch on the electric wrench is disconnected, otherwise the electric wrench will turn immediately when the plug is inserted into the power socket, which may cause personal injury.
4、若作業(yè)場所在遠離電源的地點，需延伸線纜時，應(yīng)使用容量足夠，安裝合格的延伸線纜。延伸線纜如通過人行過道應(yīng)高架或做好防止線纜被碾壓損壞的措施。
4. If the work place is far away from the power supply, the extension cable with sufficient capacity shall be used and qualified extension cable shall be installed. If the extension cable passes through the sidewalk, it shall be elevated or measures shall be taken to prevent the cable from being damaged by rolling.
5、盡可能在使用時找好反向力距支靠點，以防反作用力傷人。
5. Try to find the support point of the reverse force distance when using it to prevent the reaction force from injuring people.
6、使用時發(fā)現(xiàn)電動機碳火花異常時，應(yīng)立即停止工作，進行檢查處理，排除故障。此外碳刷必須保持清潔干凈。
6. If abnormal carbon sparks are found in the motor during use, the motor shall be stopped immediately for inspection and troubleshooting. In addition, the carbon brush must be kept clean.
7、站在梯子上工作或高處作業(yè)應(yīng)做好高處墜落措施，梯子應(yīng)有地面人員扶持。
7. Measures for falling from high places shall be taken when working on ladders or working at heights, and ladders shall be supported by ground personnel.
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