No sharp blade

[jveretto]

I have Howser (Economy Model) BH that came with my Kobata tractor. I filled case with oil, checked blades and found blades have no sharp edge. About like my finger. Question is that normal. I know it does not need a harp edge the length. It only cuts near the end but is it noormal to have no sheapened edge? Thanks for any help!

 

[TripleR]

Both blades should be sharpened at the same angle
as the original cutting edge and must be replaced or
re-ground at the same time to maintain proper
balance. The following precautions should be taken
when sharpening blades:
a. Do not remove more material than necessary.
b. Do not heat and pound out a cutting edge.
c. Do not grind blades to a razor edge. Leave a blunt
cutting edge approximately 1/16 thick.
d. Always grind cutting edge so end of blade
remains square to cutting edge and not rounded.
e. Do not sharpen back side of blade.
f. Both blades should weigh the same after
sharpening with not more than 1 1/2 oz.
difference.
Refer to Figure 5-1: