MacDon D50, Operator'S Manual

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169441
50
Revision D
The reel speed is adjustable with the controls in the windrower cab. Refer to your windrower operator
’
s manual for
adjustment details.
Optional Reel Drive Sprockets
–
D60
Optional reel drive sprockets for use in special crop conditions are available as an alternative to the factory-installed
sprocket.
For installation details, refer to Replacing Reel Drive Sprocket, page 215 .
3.12.5 Ground Speed
Operating at the proper ground speed will result in cleanly cut crops and evenly distributed material in uniform windrows.
Refer to 3.14 Windrow Types, page 80 for effects of ground speed on windrow formation.
Reduce ground speed in difficult cutting conditions to reduce loads on cutting components and drives.
Use lower ground speeds in very light crops (e.g., short soybeans) to allow the reel to pull in short plants. Start at
4.8
–
5.8 km/h (3.0
–
3.5 mph) and adjust as required.
Higher ground speeds may require heavier float settings to prevent excessive bouncing which causes uneven cutting and
possible damage to cutting components. If ground speed is increased, draper and reel speeds should be increased to
handle the extra material.
Figure 3.31, page 50 illustrates the relationship between ground speed and area cut for the various sized headers.
Figure 3.31: Ground Speed vs Acres
10105221013893
A
B
C
D
E
F
G
H
J
K
A - 4.6 m (15 ft.) B - 6.1 m (20 ft.) C - 7.6 m (25 ft.)
D - 9.1 m (30 ft.) E - 10.7 m (35 ft.) F - 12.2 m (40 ft.)
G - acres/hour H - miles/hour J - hectares/hour
K - kilometers/hour
Example: A 7.6 m (25 ft.) header operating at a ground speed of 9.7 km/h (6 mph) would produce a cut area of
approximately 7.3 hectares (18 acres) in one hour.
OPERATION