D series snowblower cutting edge

[defed 0]

does anyone have a picture of a D snowblower w/ a good cutting edge? both of mine have rotted/worn out edges. the parts drawing looks to be a flat bar w/ a bevel on each side (reversible) but when i look at mine, it appears that the housing and the cutting edge have a 'crimp' in it, probably for rigidity.

also, does the cutting edge mount on the inside or the outside of the housing...i would guess outside, but the drawing doesn't show from that view.

thanks.