How to Clean Macerator Blades

The macerating system attached to a marine, RV or basement toilet prevents clogs. Waste, paper and debris are diverted to run over a sharp macerating blade. Once reduced in size, the waste gets vacuum pumped out of the system. Although you'll rarely need a plunger again, the system is not impervious to clogs. In most cases, these are easily cleared by cleaning the macerator's blade. You can also undertake annual preventive maintenance to remove clogging materials.

Towels
Screwdriver or nut driver

Instructions

- 1
  Look for the valve on the toilet's water supply line and turn it clockwise to close it.
- 2
  Flush the toilet to pump any standing water out of the macerator's system. Keep a few towels nearby in case the clog prevents some water from draining.
- 3
  Unplug the macerator. If your macerator's power supply is not connected to an outlet, flip off the circuit breaker that supplies power to the unit.
- 4
  Expose the macerator blade, which is attached to the rotor and motor assembly inside the housing. Consult your owner's manual for its exact location. In many models, removing the housing's lid exposes the macerator's blades. In other models you must disconnect the inlet hose in front of the assembly to access the macerator blade in front of the motor assembly.
- 5
  Clean the hair, waste and debris wedged between the macerator blade and its housing. Cut hairs with a pair of small scissors and pull out wads of paper. If debris is firmly wedged underneath the blade, remove the bolt or clip holding the blade in place and slide the blade off or turn it counterclockwise to remove it. Take care -- the blade is sharp.
- 6
  Replace the lid and turn the water back on.

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