Now you can find many faults and solutions for hydraulic wrenches online, with 6 types listed as a general rule. We have encountered some problems during the use of both imported and domestic hydraulic wrenches. Today, German imported hydraulic wrench manufacturer Prante will comprehensively summarize the manufacturer's faults and solve the wrench. We have listed 9 types and hope that customers and peers can learn from them.

1、 Problem description of hydraulic wrench: The piston of the hydraulic wrench cannot move forward or backward

The reason for this situation with hydraulic wrenches is that the joint is not reliably connected to the wrench or hydraulic pump; 2. Defective joints; 3. The remote control connector is defective; 4. There is dirt inside the directional control valve of the pump.

Specific solution: 1. Check the joint connection and ensure that it is in place; 2. Replace defective joints; 3. Replace the quick close or remote control; 4. Remove the pump and clean the directional control valve.

2、 Problem description of hydraulic wrench: piston cannot exit

The reason for this situation is 1. The installation of the oil pipe joint is reversed; 2. The oil pipe is not connected; 3. Return or spring breakage.

Specific solution: 1. Ensure that the A-end of the pump is connected to the wrench end, and the pump end is connected to the wrench end; 2. The oil return pipe is firmly connected; 3. Replace the return or spring.

3、 Problem description of hydraulic wrench: hydraulic cylinder cannot be pressurized

Reason 1: Possible leakage of piston sealing ring or end cap sealing ring; 2. Cut off the fixing screws; 3. The joint is defective.

Specific solution 1: Replace the defective sealing ring; 2. Replace damaged screws; 3. Replace defective joints.