1、河北升降货梯http://www.rgsjpt.com/溢流阀压力调节不符合要求，应该调整压力到要求值。
Shandong cargo lifter relief valve pressure regulator does not meet the requirements, the pressure should be adjusted to the desired value.

2、河北升降货梯油缸内泄时应检查或更换油缸组件。
Check or replace the fuel tank vent when components within Shandong cargo lifter cylinder.

3、河北升降货梯换向阀卡紧或内泄，应该检查或更换阀组件。
Shandong cargo lifter or valve clamping within the vent, you should check or replace the valve assembly.

4、河北升降货梯油面过低、进油滤油器堵塞，需要加足油，清洗滤油器。
Shandong cargo lifter oil is too low, into the oil filter clogging, need to add a little oil, cleaning filter.

5、河北升降货梯http://www.rgsjpt.com/供油泵有毛病，需要检查或更换泵松土器升降不起或上升力弱。
Shandong cargo lifter for faulty pump, you need to check or replace the pump ripper lifting or rising afford weak.