Axial Cam Drive Components

Portable Pressure Washer Familiarization and Troubleshooting Guide Section 4 • Small Frame Electric Pump

Axial Cam Drive Components Referring to Figure 4.12, carefully inspect axial cam bearing assemblies for wear, damage, and freedom of rotation. Replace any damaged or defective bearing assembly.

Figure 4.12 — Axial Cam Components Inspect the axial cam idler shaft. Replace if worn, bent, or damaged. Inspect the thrust washers. Replace if damaged. Inspect the axial cam/gear assembly. Replace if worn excessively or damaged. Inspect the motor assembly, particularly the axial cam housing. Ensure that the axial cam idler shaft socket is true and not worn or cracked. Ensure that the fastening bosses are not cracked or chipped. Inspect the housing for the absence of cracks, chips, evidence of oil leaks, or other damage. Inspect the motor drive gear for evidence of wear or damage. Inspect the motor wires for evidence of corrosion, fraying or damaged connectors, wires, or other defects. Replace the motor assembly as a unit if any defects are found.

Item Name 1 Axial cam idler shaft 2 Bearing washer 3 Axial cam/gear assembly 4 Needle thrust bearing 5 Motor 6 Bearing washer 7 Bearing washer 8 Needle thrust bearing