GLAND 4785861 - Caterpillar

operational checks can be used to find leakage in the steering system. Also, the operational checks can be used to find a failed valve or a failed steering pump. Before you begin the checks, refer to Systems Operation, Testing and Adjusting, "Machine Preparation for Troubleshooting". The oil in the steering system must be at an operating temperature of 46 to 52 °C (115 to 126 °F).Raise the bowl and release the brakes before extending the steering cylinders and retracting the steering cylinders several times. Then, lower the bowl and apply the brakes.
The extension of the steering cylinders must be smooth and regular. The retraction of the steering cylinders must be smooth and regular.
Listen for noise from the steering pump.
Allow the steering cylinders to extend to full stroke and allow the steering cylinders to retract completely.