Height-Of-Cut Chart Terms - Toro 03486 Operator's Manual
18-inch or 22-inch 8-blade or 11-blade dpa cutting unit
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- Operator's manual (24 pages) ,
- Operator's manual (24 pages)
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the cutting unit on a surface plate and loosening the
side-plate mounting bolts
1. Side-plate mounting bolts
8. Adjust and tighten the bolts and torque them to 37 to
45 N-m (27 to 33 ft-lb).
Height-of-Cut Chart Terms
Height-of-Cut Setting (HOC)
This corresponds to the desired height of cut.
Bench-Set Height of Cut
The bench-set height of cut is the height at which the top edge
of the bedknife is set above a flat level surface that contacts
the bottom of both the front roller and the rear roller.
Effective Height of Cut
This is the actual height that the grass has been cut. For a
given bench-set height of cut, the actual height of cut will
vary depending on the type of grass, time of year, turf, and
soil conditions. The cutting-unit setup (aggressiveness of cut,
rollers, bedknives, attachments installed, turf-compensation
settings, etc.) will also affect the effective height of cut. Check
the effective height of cut using the Turf Evaluator (Model
04399) regularly to determine the desired bench-set height
of cut.
Aggressiveness of Cut
The aggressiveness of cut has a significant impact on the
performance of the cutting unit. Aggressiveness of cut refers
to the angle of the bedknife relative to the ground
The best cutting-unit setup depends on your turf conditions
and desired results. Experience with the cutting unit on your
turf will determine the best setting to use. You can adjust the
aggressiveness of cut throughout the cutting season to allow
for various turf conditions.
In general, less to normal aggressive settings are more
appropriate for warm-season grasses (Bermuda, paspalum,
zoysia) while cool-season grasses (bent, bluegrass, rye) may
require normal to more aggressive setups. More aggressive
(Figure
12).
g027270
Figure 12
(Figure
setups cut more grass off by allowing the spinning reel to pull
more grass up into the bedknife.
1. Rear spacers
2. Side-plate mounting flange
Rear Spacers
The number of rear spacers determines the aggressiveness
of cut for the cutting unit. For a given height of cut, adding
spacers below the side-plate mounting flange increases the
aggressiveness of the cutting unit. All cutting units on a
given machine must be set to the same aggressiveness of cut
(number of rear spacers, Toro Part No. 106-3925); otherwise,
the after-cut appearance could be negatively affected
13).
Chain Links
The location at which the lift-arm chain is attached determines
the pitch angle of the rear roller
13).
1. Bottom hole
2. U-backet
Groomer
These are the recommended height-of-cut settings when a
groomer kit is installed on the cutting unit.
8
Figure 13
3. Aggressiveness of cut
(Figure
14).
Figure 14
3. Lift chain
(Figure
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