Gums and sediments can easily be removed from parking meters. L&R Ultrasonic Cleaning systems offer the most complete cleaning possible.



  • Remove timer and coin mechanism from parking meter. This will eliminate the paint and ink from being removed from the other surfaces.
  • Place in main tank filled at least 2/3 full with #222 Non-Ammoniated Ultrasonic Cleaning Solution or a heated solution of SF-50 Solvent-Free Degreaser.
  • Place pan into main tank and cavitate 10 minutes.
  • If SF-50 Solvent-Free Degreaser is used rinse parts with warm water and then go to step 5 to ensure complete displacement of water.
  • Remove from main tank and place into Auxiliary Pan containing Instrument Rinsing Solution.
  • Cavitate for 10 minutes.
  • The timer should be disassembled and the main arbor and gears should be properly lubricated according to the manufacturer’s recommendation.

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