Replacing The Cutting Blades - hillvert HT-LM-53A Manual De Instrucciones

Place a bowl or other container for used oil underneath the mower and then
unscrew the drain plug. Level the mower and wait for the oil to stop dripping. If
its seal/pad is damaged or leaking, replace it with a new one before installation.
Wipe off oil drain plug thoroughly before re-tightening - tighten with feel, do not
overtighten plug. After tightening, the motor can be filled with fresh oil - when
filling, check that the oil plug does not leak. If it is tight, the drive guard and the
cutting blade assembly can be installed.

3.4.2 Replacing the cutting blades

IMPORTANT: Before removing the mower blade assembly, empty the motor oil
and fuel tank to avoid flooding the motor with oil or fuel when tilting the unit to
the side!
Tilt the mower to the side, loosen the screw with washer in the center of the
cutting blade assembly and remove the blades. Install in reverse order. When
removing the cutting blade assembly, replace the bolt holding the blades at the
same time. Tighten the screw to a torque of 45 Nm.