Metabo HC 410 Manuel D'utilisation page 27

16.5 Changing the Feed Rollers
Remove the drive gear cover, lift the
drive chain from the sprockets and
pull the sprocket from the shaft.
16.6 Changing the Cutterblock
Remove the drive gear cover and
take the main drive belt off the pulleys.
Remove the pressure spring with its
fastening screws. The feedroller can
then be pulled out from the side.
Take off the cover plate and remove
the three screws holding the
cutterblock bearing.
The cutterblock can now be pulled
out.