Liner Maintenance

BASF recommends cleaning coloring equipment thoroughly — once annually at a minimum. While doing so, Sahara® X and Second Harvester® mulch coloring equipment owners should inspect the belly, liners, and weirs of the machine for wear. 

Always follow lockout/tagout protocols before entering the machine.


Inspection steps:

  1. Using a hammer, tap on the top side of the unit to gauge a sound of the thickness of the steel based on the sound pitch.
  2. Then work your way down the side of the U-shaped belly and listen closely for any changes in pitch. A higher-pitch sound is an indication that the liner is thinning, due to wear.
  3. Outside in/out movement of the belly is also an indication that the liner is worn.
  4. You can also measure the liner: Standard liners are 1/4-inch AR400 steel plates — so if the liner measurements are less than 1/16- to 1/8-inch thick, you should consider replacing the liner.
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