Honda HS621 Owner's Manual page 31

6.Tighten the self-locking nuts securely while holding the blade firmly
against the holders.
7. Return the snowthrower to the original position and check that the
scraper blade contacts the ground evenly. Then, check that the auger
paddle-to-ground clearance: 0- 2
mm (O-0.08 in)
.
Replacement
The scraper must be replaced if it is worn abnormally or the service limit is
exceeded.
1 .Turn the engine switch off and drain the fuel tank.
2. Lift the handle so that the auger housing faces down.
3.Remove the four self-locking nuts and holders from the scraper, and re-
move the scraper.
4. Insert a new scraper into the auger housing securely.
5. Install the self-locking nuts, and holders, then tighten the self-locking
nuts securely.
NOTE:
l
Check that.all holders are installed in the same direction.
l
Be sure that there is no clearance between the scraper and ground when
the snowthrower is placed on the ground, and that the auger paddle-to-
ground clearance is correct, then tighten the self-locking nuts.
Correct clearance: O-2 mm (O-0.08 in)
l
It is recommended to replace the scraper blade when the auger and
center paddles are to be replaced.
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