When storing excavators with extended arms, they should be placed in a dry environment. If it can only be stored outdoors, the machine should be parked on a well drained cement floor and covered with tarpaulin.

设备长期存放时，工作装置应放在地面上，防止液压缸活塞杆生锈。

When the equipment is stored for a long time, the working device should be placed on the ground to prevent rust on the piston rod of the hydraulic cylinder.

各部分擦洗干净并晾干后，应存放在干燥的建筑物中。如果只能存放在室外，则应把机器停放在排水良好的水泥地面上，并用苫布盖好。

After cleaning and drying each part, it should be stored in a dry building. If it can only be stored outdoors, the machine should be parked on a well drained cement floor and covered with tarpaulin.

存放前柴油箱应加满柴油，润滑各部位，更换液压油和润滑油，并在液压缸

Before storage, the diesel tank should be filled with diesel, all parts should be lubricated, hydraulic oil and lubricating oil should be replaced, and the hydraulic cylinder should be

活塞杆上涂抹一薄层润滑脂。

Apply a thin layer of lubricating grease to the piston rod.

拆下蓄电池负极接线，盖好蓄电池或者把蓄电池从机器上拆下单独存放。

Remove the negative terminal wire of the battery, cover the battery, or remove the battery from the machine and store it separately.

如果环境温度低于0℃，应在冷却液中加入适当比例的防冻液。

If the ambient temperature is below 0 ℃, an appropriate proportion of antifreeze should be added to the coolant.

把附属装置用的截流阀置于锁定位置，并在弯头上安装堵塞。

Place the shut-off valve for the auxiliary device in the locked position and install a blockage on the elbow.

把附属装置用的选择阀置于"不用时"的位置。

Place the selector valve for the accessory device in the "when not in use" position.

每月要启动一次发动机，并开动机器行驶一段距离，以使运动部件和零件表面覆盖一层新的油膜，同时也给蓄电池充电。若装有空调，制冷操作也应进行3~5分钟。

Start the engine once a month and drive the machine for a distance to cover the moving components and parts with a new oil film, while also charging the battery. If air conditioning is installed, the cooling operation should also be carried out for 3-5 minutes.