求翻译：非顶升作业时，应将顶升操纵杆放在空挡位置。顶升前，应拔出车厢固定销；作业后，应插入车厢固定销。是什么意思？

Non-jacking operations, should top up the joystick on the neutral position. Lifting, should pull out the car fixed pin; operation, it should be fixed into the car sales.

When non-tilting operations, should be placed in the space tilting joystick block location. Tilting, pull out the compartments before fixed marketing; operations should be inserted after fixed sales compartments.

Must goes against when rises the work, should go against rises the control handle to place the neutral position.Front goes against rises, should draw out the compartment set pin; After the work, should insert the compartment set pin.

Non-lifting jobs, jacking the joystick should be placed in neutral gear position. Before jacking, should pull the carriages pins; homework, pins should be inserted in compartment.

Only if carry it while promoting the homework, should carry and promote the gear shift and place on emptily blocking the position. Before carrying and rising, should pull out and get off the carriage to sell fixedly; After the homework, should insert in the carriage and sell fixedly.