How to Change the Grease in a Mantis Tiller Gear Box

Written by lisa wampler
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The gearbox in the Mantis tiller transfers power from the engine to the rotating splines that dig into the dirt. The worm gearbox uses grease instead of oil to help keep the gears lubricated. Check the grease once per year, preferably before the tilling season, and top off the gearbox with fresh grease or replace the old grease completely. This will keep your gears running smoothly and prevent premature failure.

Skill level:
Moderately Easy

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Things you need

  • Wrench set
  • Rag
  • Lithium #0 grease

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Instructions

  1. 1

    Remove the cover off the worm gear box by removing the bolts that hold the cover in place with a wrench set. The worm gear box is located between the tiller blades.

  2. 2

    Scrape the grease out of the gearbox with your finger. If necessary, use a rag to help scrape out the grease. Rotate the gear manually to help move the grease in the lower half of the gearbox to the top.

  3. 3

    Fill the gearbox with replacement lithium #0 grease until the grease rests just below the top of the gearbox.

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