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HY70OM-8/99
16
Reels must be ground at 25° in the direction shown by the
arrow. Back grind until reel blades are free from roundness,
dents and nicks. Spin grind to remove all burrs. All blades
must be on the same diameter.
For maximum cutting efficiency, grind bed knife top and
front edges at 5° as shown.
BACK GRIND IN THE
DIRECTION
OF THE ARROW AT 25
O
Note centerline
POSITION OF REEL
TO THE BLADE
25
O
5
O
GRIND BED KNIFE
AT ANGLES SHOWN
5
O
Be extremely careful not to let brush,
your fingers or your clothing get caught in
the reels. Use approved safety glasses to
protect tour eyes from flying particles and
abrasives.
5. Stop the reel and examine both bed knife and reel
blades to see that the cutting edges are uniformly
sharp. If not, gradually tighten hex adjuster and
repeat Step 4 on previous page until the proper
sharpness results.
6. Rinse off the compound thoroughly with water to
remove all abrasive. Check for sharpness and
readjust the bed knife if necessary.
7. Check reel adjustment on each mower and adjust if
necessary, so that they will cut paper cleanly across
the full length of the bed knife when paper is held
90# to the bedknife and pinched when held
horizontally.
7.9GRINDING PROCEDURE
BACKLAPPING PROCEDURE, Continued