CUTTING UNITS
673831-Rev A 8-19
8
Height-of-Cut (HOC) Adjustment
See Figure 8-7.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
The bedknife-to-reel clearance should be properly
adjusted before adjusting the cutting height. (See
“Bedknife-to-Reel Clearance Adjustment” on page 8-18.)
Figure 8-7
2. Loosen lock nut (9) on the side of front roller bracket
(8) just enough to allow adjusting knob (1) to raise or
lower the bracket.
3. Set height-of-cut bar (6) to desired height-of-cut (2)
by measuring between the underside of screw head
and the surface of height-of-cut bar and tightening
the wing nut (4).
4. Place height-of-cut bar (6) across the bottom of front
roller (7) and rear roller (5) near one end.
5. Slide the head of the gauge screw over the bedknife
(3).
6. Turn adjusting knob (1) to close the gap between the
front roller (7) and rear roller (5) and height-of-cut bar
(6).
7. Tighten lock nut (9).
8. Repeat steps 2 through 7 on opposite end of front
roller (7).
9. Recheck each end with height-of-cut bar and
readjust as necessary.
• Check the position of each reel for desired
height-of-cut.
• All reels must be accurately adjusted to exactly the
same height for proper cutting.
To prevent personal injury and damage to the
cutting edges, handle the reel with extreme care.
Required Tools
Height-of-Cut Gauge Bar (Jacobsen PN 158568)
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