Honda Harmony HRM215SXA Owner's Manual page 62

MAINTENANCE
5. Loosen the top and bottom drive clutch cable lock nuts with a 10 mm
wrench. Move the adjuster up or down, as required, until the
mower operates as outlined in step 4. Tighten the lock nuts.
TOP LOCK NUT
BOlTOM LOCK NUT
If the mower will not operate correctly, take the mower to an
authorized Honda servicing dealer.
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