Excavators are heavy-duty mechanical equipment, and now it is more common to use excavator lengthening arm for construction, because some of the operating performance of using it is very high, but we must pay more attention to some details in the process of use. Next, I will introduce the operating procedures and precautions of excavator lengthening arm.

挖掘機加長臂

Excavator lengthening arm

挖掘機加長臂操作規程及注意事項：

Operating procedures and precautions for excavator lengthening arm:

1、由于挖掘機加長臂比標準臂更長、更重、動作慣性更大，因此，操作時比標準臂要輕，各操縱過程應平穩，動作不宜過快、過猛，不宜緊急制動。

1. Since the lengthening arm of the excavator is longer, heavier and has greater action inertia than the standard arm, it should be lighter than the standard arm during operation. Each operation process should be stable, and the action should not be too fast, too fierce, and emergency braking.

2、挖斗容量按出廠標準配置使用，嚴禁更換使用大容量的挖斗。

2. The bucket capacity shall be configured and used according to the factory standard. It is strictly forbidden to replace the bucket with a large capacity.

3、挖掘機加長臂的作業和行走場地應平整堅實，對松軟地面應墊以枕木或墊板，沼澤地區應先作路基處理，或更換濕地專用履帶板。

3. The operation and walking site of the lengthening arm of the excavator should be flat and solid, and the soft ground should be padded with sleepers or pads. In swampy areas, the subgrade should be treated first, or the special track shoes for wetlands should be replaced.

4、使用前，履帶式挖掘機的驅動輪應置于作業面的后方。

4. Before use, the driving wheel of crawler excavator should be placed behind the working surface.

5、平整作業場地時，不得用鏟斗進行橫掃或用鏟斗對地面進行夯實。

5. When leveling the operation site, it is not allowed to sweep with a bucket or tamp the ground with a bucket.

6、挖掘機加長臂作業前應進行檢查，確認一切齊全完好，大臂和鏟斗運動范圍內無障礙物和其他人員，鳴笛示警后方可作業。

6. Before the operation of excavator lengthening boom, check to confirm that everything is complete and in good condition, there are no obstacles and other personnel within the movement range of boom and bucket, and the operation can be carried out only after the horn is sounded.

7、挖掘機駕室內外露傳動部分，需要安裝防護罩。

7. The transmission parts inside and outside the excavator cab need to be installed with protective covers.

8、電動的單斗挖掘機接地良好，油壓傳動的臂桿的油路和油缸確認完好。

8. The electric single bucket excavator is well grounded, and the oil circuit and oil cylinder of the oil pressure driven boom are confirmed to be intact.

9、正鏟作業時，作業面應不超過本機性能規定的開挖高度和深度。在拉鏟或反鏟作業時，挖掘機履帶或輪胎與作業面邊緣距離不得小于1.5m。

9. During shovel operation, the working surface shall not exceed the excavation height and depth specified by the performance of the machine. During dragline or backhoe operation, the distance between the excavator track or tire and the edge of the working surface shall not be less than 1.5m.

10、挖掘機在平地上作業，應用制動器將履帶（或輪胎）剎住、楔牢。

10. When the excavator operates on the flat ground, apply the brake to brake and wedge the crawler (or tire).

在使用挖掘機加長臂超長臂作業裝置進行作業時要特別注意以下幾點：

Pay special attention to the following points when using the excavator lengthening boom and super long boom operation device:

1、未經允許，嚴禁私自改動挖掘機工作裝置和其它結構、機構，這樣可能會造成工作裝置和其它結構、機構損壞及出現各類問題。

1. It is strictly forbidden to change the working device and other structures and mechanisms of the excavator without permission, which may cause damage to the working device and other structures and mechanisms and various problems.

2、嚴禁橫向操作用于刮土及拖拉其它物料。

2. It is strictly prohibited to operate horizontally for scraping soil and dragging other materials.

3、嚴禁用于起吊或拖拉重物（含使用運輸狀態下的撐桿固定孔進行起吊）。

3. It is strictly prohibited to use it to lift or drag heavy objects (including lifting with the support rod fixing hole under transportation).

4、當用戶不小心將整機履帶陷入泥濘的稀泥地或坑中時，嚴禁用工作裝置（鏟斗、斗桿、動臂等）作為支撐進行自救，這樣會造成結構件的損壞。只能用拖車拖動整機或者用起重機將整機吊離現場。

4. When the user accidentally sinks the crawler of the whole machine into the muddy mud or pit, it is strictly prohibited to use the working device (bucket, stick, boom, etc.) as a support for self rescue, which will cause damage to the structural parts. The complete machine can only be dragged by a trailer or lifted off the site by a crane.

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