![MacDon FD75 Скачать руководство пользователя страница 103](http://html.mh-extra.com/html/macdon/fd75/fd75_operators-manual_685691103.webp)
214323
85
Revision B
3.7.5
Reel Speed
Reel speed is one of the factors that determines how crop is moved from the cutterbar onto the drapers.
The reel performs best when it appears to be driven by the ground. It should move the cut crop evenly through the
cutterbar and onto the drapers without bunching and with minimal disturbance.
In standing crop, reel speed should be slightly higher than, or equal to, ground speed.
In flattened crop or crop that is leaning away from the cutterbar, the reel speed needs to be higher than the ground speed.
To achieve this, either increase the reel speed or decrease the ground speed.
Excessive shattering of grain heads or crop loss over the header backtube may indicate that the reel speed is too high.
Excessive reel speed also increases reel component wear and overloads the reel drive.
Slower reel speeds can be used with nine-bat reels, which is beneficial in shatter-prone crops.
NOTE:
A conversion kit to change a six-bat reel to a nine-bat reel for 9.1 and 10.7 m (30 and 35 ft.) headers. Refer to
Tine Tube Reel Conversion Kit, page 508
for more information.
Refer to
3.6.2 Header Settings, page 43
for recommended reel speeds in specific crops and crop conditions.
Reel speed is adjustable using the controls in the combine cab. Refer to your combine operator
’
s manual for adjustment
details.
Optional Reel Drive Sprockets
Optional reel drive sprockets for use in special crop conditions are available as an alternative to the factory-installed
sprocket.
The header is factory-equipped with a 19-tooth reel drive sprocket that is suitable for most crops. Other sprockets are
available that provide more torque to the reel in heavy cutting conditions, or higher reel speeds in light crops when
operating at increased ground speeds. Refer to Table
, and contact your MacDon Dealer for ordering
information.
Table 3.7 Optional Reel Drive Sprockets
Hydraulics
Combine
Application
Optional Drive
Sprocket
13.79
–
14.48 MPa
(2000
–
2100 psi)
Gleaner Transverse Rotary
Combining down rice
10 tooth
17.24 MPa
(2500 psi)
CLAAS 500, 700 Series, Challenger
Axial Rotary
Combining down rice
12 tooth
20.68 MPa
(3000 psi)
NH CR, CX, Case IH 7010, 8010,
7120, 8120, 88 Series
Combining down rice
14 tooth
Low flow
(under 42 L/min [11 gpm])
—
Combining light crops above
16 km/hr
(10 mph)
21 tooth
For installation details, refer to
6.14.3 Replacing Reel Drive Sprocket, page 492
.
Содержание FD75
Страница 8: ......
Страница 43: ...214323 25 Revision B Figure 2 1 Header Width 1018123 A B PRODUCT OVERVIEW ...
Страница 71: ...214323 53 Revision B For more information refer to Table 3 4 page 51 OPERATION ...
Страница 306: ......
Страница 360: ......
Страница 524: ......
Страница 538: ......