Note: The illustration shows a disassembled oil skimmer cartridge.
Check that the drive wheels inside the oil skimmer cartridge are not damaged or jammed with chips. Remove the cover of the oil skimmer cartridge. Check the drive wheels for wear. If the teeth on the drive wheels are damaged or the center bore stripped, rebuild the oil skimmer cartridge with the service kit 93-2352.
Replace the pickup tube, ceramic wiper assembly, and gears together. Refer to Oil Skimmer - Tubing - Replacement for replacement instructions.