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Figure 29
1. Hopper frame tube
2. Hopper latch
handle–unlocked position
3. Hopper latch
handle–locked operating
position
•
Returning the Hopper to Operating Position
Slowly rotate the hopper rearward towards the
engine. The prop rod has a stop that will prevent
the hopper from rotating to the locked operating
position. Lift the prop rod up towards the hopper
frame and push down on the hopper until it latches
and locks into place.
Spreader Calibration
The spreader should be calibrated each time a new
material is used. The spread width ranges from 3-25
ft (0.9-7.6 m) and depends on the material particle
size, volume/density, and rate of travel.
Refer to the spreading charts along with Determining
the Distribution Pattern, Determining the Effective
Spreading Width, and Calculating the Application
Rate sections to calibrate the machine.
Determining the Distribution Pattern
Operator supplied equipment: 15 shallow collection
pans and 15 graduated measuring cylinders
The most accurate method to measure the distribution
is to use shallow collection pans and graduated
measuring cylinders. In the example below, 15
shallow collection pans approximately 30 cm (12
inches) wide, 91 cm (36 inches) long, and 5 cm (2
inches) tall are used.
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4. Pull latch towards frame
5. Hopper stop latch
1.
Make sure to allow ample driving distance before
setting up the pans to ensure the machine is
traveling at the desired spreading speed before
reaching the pans.
2.
Place one pan in the center of the drive path.
Arrange the next two pans, one on each side,
far enough apart to allow ample room for the
spreader drive tires to pass over the center pan.
3.
Place the remaining pans in a straight line as
shown in
Figure 30
•
For larger granule materials:
Space six additional pans, on each side, 12
inches (30 cm) apart (see
1. Spreader moving towards
pans
2. Center pan
3. Collection pans (gap
between each)
•
For smaller granule materials:
Place six additional pans, on each side, with
no gap in between each pan
33
or
Figure
31.
Figure
30).
Figure 30
4. 12 inch (30 cm) gap
5. L1 and R1 collection pan
gap (spread apart to allow
machine to pass through)
6. Graduated measuring
cylinder
(Figure
g319659
31).
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