CASE 1835B Skid Steer Charging System Pressure Issues and Solutions

[MikePhua]

Users of the CASE 1835B skid steer may encounter issues with the charging system pressure, leading to problems with engine operation and hydraulic performance. Abnormal pressure can affect the machine’s overall function, causing difficulties with starting the engine or operating the hydraulic system. Understanding the cause of pressure issues and addressing them promptly is crucial for ensuring optimal equipment performance.
Possible Causes of Charging System Pressure Issues

1. Faulty Charging Pump
   The charging system pressure is typically generated by the charging pump. If the pump fails or is worn out, it may not provide sufficient pressure, causing the system to malfunction, which can prevent the engine from starting or result in inadequate hydraulic pressure.
   
2. Hydraulic System Leaks
   Leaks in the hydraulic system can affect the charging system pressure. Loss of hydraulic fluid due to leaks will lower the pressure in the system, which may compromise its performance and lead to system malfunctions.
   
3. Pressure Regulator Valve Issues
   A pressure regulator valve in the charging system is responsible for maintaining a stable pressure within the system. If the valve is faulty or stuck, it can lead to abnormal pressure readings, which will negatively affect the overall performance of the machine.
   
4. Electrical System Malfunctions
   In some cases, the charging system is controlled by the electrical system. A malfunctioning sensor or control module within the electrical system can result in incorrect pressure readings, impacting the machine's operation.
   

Troubleshooting and Solutions

1. Check the Charging Pump
   Inspect the charging pump to ensure it is functioning correctly. Measure the pump's output pressure to confirm it is providing adequate pressure. If the pump is damaged or worn out, it should be replaced with a new one.
   
2. Inspect the Hydraulic System
   Regularly check the hydraulic system for leaks, including hoses, fittings, and seals. Use a pressure gauge to test the system's pressure and verify that it is within normal operating range. If leaks are found, replace or repair the damaged components.
   
3. Examine the Pressure Regulator Valve
   Check the pressure regulator valve for proper operation. If the valve is malfunctioning or stuck, it should be replaced or repaired to ensure stable pressure in the system.
   
4. Inspect the Electrical Control System
   Use diagnostic tools to check the electrical control system, including sensors and control modules. If faulty sensors or inaccurate readings are detected, they should be replaced or recalibrated.
   

Conclusion
Pressure issues in the CASE 1835B skid steer charging system are typically caused by a faulty charging pump, hydraulic system leaks, problems with the pressure regulator valve, or electrical system malfunctions. By regularly inspecting and maintaining the charging pump, hydraulic system, pressure regulator valve, and electrical control system, these issues can be addressed effectively. Ensuring the proper functioning of these components will help maintain efficient operation and extend the machine's lifespan, while preventing costly repairs and downtime.