OPERATION
3.9 Operating Recommendations
3.9.1 Operating with 15-, 16-, 18-, 20-, 25-Foot Headers
Refer to the following operating recommendations when using the Double Windrow Attachment (DWA) with
15–25 ft. headers:
•Onthefirst pass, raise the side delivery system and deposit the crop between the wheels of the windrower.
• On the return pass, lower the side delivery s ystem and deposit the crop beside the previously laid windrow.
• With a center-delivered crop, the position of the crop can be adjusted by using the side deflectors on the
forming shields.
• With a side-delivered crop, the position of the crop can be adjusted by adjusting the draper speed (faster draper
speeds will throw the crop farther).
3.9.2 Operating with an R-Series Rotary Disc Header
Because t
he conditioner rolls on an R-Series header are farther ahead than all other headers, delivering light crop
from the c
onditioner rolls to the side delivery deck on the Double Windrow Attachment (DWA) m ay require special
attentio
n.
The foll
owing three areas can affect crop flow to the deck:
Crop flow f
rom the cutterbar to th e rolls
• Header cu
t width must be kept as full as possible on the right-hand side. Any less than 75% may have adverse
effects
on feeding.
•Tallcro
p feed plates should only be installed when cutting tall, heavier crops; they can degrade cutterbar
perform
ance if used in medium to light alfalfa.
• Higher g
round speeds will us ually result in better crop flow from the conditioner rolls to the deck. Ground speed
should
be a minimum of 6 mph (10 km/h) for light crops.
•Discsp
eed must be within the recommended range for the specific crop/yield (refer to the header operator ’s
manual
).
Crop flo
w from the conditioner rolls to the forming shield
•There
ar baffle on the R-Series Header should be in the uppermost position. However, it may need to be lowered
for ce
nter windrowing.
•Remov
ethefins on the rear baffle to prevent interference with the crop flow.
•Thecr
op trajectory arc is higher with a steeper header angle. Header angle should be set such that the crop is
proj
ected at a maximum arc heig ht without excessive conta ct with the top forming shield.
•Itma
y be possible to shoot crop above the forming shield with extreme header angle and rear baffle positions.
•Inro
cky conditions where a DWA is necessary, a high skid shoe kit or adjustment to gauge rollers may be required
to ac
hieve correct stubble height while maintaining proper crop trajectory.
•Hea
der height affects the header angle. Ideally the lift linkage should be fully down at all times.
•The
roll gap should be small enough to properly grab the crop and throw it.
•The
roll speed is mechanically tied to the disc speed and can affect how fast the crop is projected. Roll speed
sho
uld be in the recommended range.
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