Honda HRR216TDA Owner's Manual page 13

Cutting Height Adjustment Levers
The mower deck can be set to any of the six approximate settings.
Each wheel should be adjusted to the same position.
Lower deck
Raise deck
REAR
ADJUSTMENT
LEVER
Move both the front and rear adjusters backward.
Move both the front and rear adjusters forward.
RIGHT SIDE SHOWN
CONTROLS & FEATURES
FORWARD
FRONT
ADJUSTMENT
LEVER
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