The oil pump is the 'heart' of the hydraulic truck

The oil cylinder and oil pump are the core components of the pallet truck. As long as the oil pump fails, the entire truck cannot be used. As long as any component of the oil pump is found to be damaged, it must be replaced immediately, such as: sealing ring, steel ball, dust ring, etc. If it cannot be replaced in time, it may be damaged to the entire oil pump.

There are three main reasons for the failure of the oil pump:

(1) Failure phenomenon: the pump cannot discharge

Causes of failure: a. The rotation direction is opposite; b. The suction or discharge valve is closed; c. There is no material at the inlet or the pressure is too low; d. The viscosity is too high, and the pump cannot bite. Countermeasures: a. Confirm the direction of rotation; b. Close; c. Check the valve and pressure gauge; d. Check the viscosity of the liquid to see if the flow rate proportional to the rotation speed appears when running at low speed, if there is flow, the inflow is insufficient;

(2) Failure phenomenon: insufficient pump flow

Causes of failure: a. The suction or discharge valve is closed; b. The inlet pressure is low; c. The outlet pipeline is blocked; d. The stuffing box leaks; e. The speed is too low. Countermeasures: a. Confirm whether the valve is closed; b. Check whether the valve is open; c. Confirm whether the discharge volume is normal; ;

(3) Malfunction phenomenon: abnormal sound

Causes of failure: a. Large eccentricity of the coupling or poor lubrication b. Motor failure; c. Abnormal reducer; d. Poor installation at the shaft seal; e. Shaft deformation or wear. Countermeasures: a, align or fill with grease; b, check the motor; c, check the bearings and gears; d, check the shaft seal; e, stop and dismantle for inspection.

The oil pump of the pallet truck is an integral sealed oil pump, and the key parts are made of German originals to eradicate the drawbacks of oil leakage. The internal overflow valve has an overload protection function, which can effectively avoid excessive use. It reduces the cost of the whole vehicle and makes the whole vehicle more economical and practical. The oil pump is equipped with a manual slow-down control valve, which enhances the safety performance.