Common fault analysis of steering system

As an important forklift accessory, the steering system will inevitably have some faults in daily use. It is a very troublesome thing to go to the repair station for each failure. Therefore, it is important to pay attention to self-examination during daily use. Let is take a look at the common fault analysis of the forklift accessory steering system:

First, the forklift steering system consists of: the steering system of the forklift consists of steering gear, steering axle, etc.

Second, the forklift steering device: consists of the steering wheel, the upper end shaft assembly, the universal joint, the lower end shaft assembly, the bearing, the shaft coupling ring, the lower end steering tube, the steering device, the priority valve, the clamping handle, the hydraulic switch, etc. Adjustable according to the required tilt angle of the steering wheel.

Third, the steering axle: the horizontal cylinder steering system, the steering is easier, more convenient and reliable.

Fourth, the common fault detection and troubleshooting methods of the steering system:

1, oil spill

Check: The steering cylinder seal is damaged or the tubing is subsequently damaged. Exclusion: Replace

Check: The seals at the hub bearing or support bearing are damaged. Exclusion: Replace the seal

5. The steering angles of the left and right drive wheels (front wheels) do not match.

Check: The controller parameters are incorrect. Exclusion: Adjustment

2, steering operation effort

Check: The pressure of the diverter valve is too low. Exclude: adjust pressure

Check: There is air in the oil circuit. Exclude: Exclude air

Check: Steering gear reset failure, positioning spring segment or lack of elasticity. Exclusion: Replace the spring piece

Check: The steering cylinder is too leaky. Exclusion: Check piston seal

3. Steering system abnormal noise

Check: The hydraulic oil level is too low. Exclusion: Filling hydraulic oil

Check: The steering pinion rack is damaged. Exclusion: Replace

Check: The support shaft is damaged. Exclusion: Replace

Check: insufficient lubrication. Exclusion: Add grease

Check: The suction pipe or oil filter is clogged. Exclusion: cleaning or replacement

4, the steering wheel does not move:

Check: The pump is damaged or malfunctioning. Exclusion: Replace

Check: The priority valve is blocked or damaged. Exclusion: cleaning or replacement

Check: hose or fitting is damaged or the pipe is clogged. Exclusion: replacement or cleaning