Honda UMK425T Manual De Propietario página 37

Inspect the drive bolt :
Hold the drive bolt, move it left and right, and check if it is loose. If it is
loose, the gear case must be replaced. Contact your Honda dealer for
replacement.
DRIVE BOLT
GEAR CASE
GRASS GUARD
After "Cleaning the gear case", "Inspect the grass guard wear", and
"Inspect the drive bolt", make sure to assemble blade holder to the
gear case before attaching the nylon-line cutting head. To attach the
nylon-line cutting head, refer to page 52.
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