These cassette seals are widely used in wheel-end applications, such as the axles of agricultural machinery or off-road trucks.
Regular maintenance checks should include inspecting the condition of the valve cover gasket and bolts. Any sign of wear, such as rust or stripped threads, should prompt immediate replacement. When replacing the gasket, it's crucial to follow the manufacturer's guidelines for bolt torque and sequence to avoid potential problems.The quality of the rubber or rubber fabric used to make an outer case is the same as the quality of the rubber sealing lip. Fabric reinforced rubber is, as the name suggests, rubber reinforced with a fabric.
Remove the distributor cap . Before removing the distributor (See Removing and refitting the distributor ), mark the position of the rotor arm so that you can refit it just as it was.
A final step in preparation for assembly is to lubricate the shaft, sealing lip and bore with sufficient oil. This will allow the oil seal to slide more easily over the shaft and prevent dry running after the first rotation. Always use oil or grease that is compatible with the oil seal material. In addition, when sliding over the shaft, the oil seal comes into contact with the keyway, threads and grooves. By taping or covering the shaft at the location of these irregularities with oil-soaked paper, the oil seal can be mounted without damage to the sealing lip.
Table 1: The functions of the various components