Honda Power Products TILLER F560 Manuel De L'utilisateur page 27

When the handle column is swung to the left, also turn the shift lever
not to interfere with the handle column. Pull the main shift lever up to
release it from the change cover and turn clockwise.
HANDLE COLUMN
MAIN SHIFT LEVER
CHANGE COVER
Be sure to tighten the column lock bolt securely, when the tiller is used
for heavy work like plowing etc. or the column angle is seldom
changed.
COLUMN LOCK BOLT
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