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Revision A
Draper Slip Warning
A slipping draper can severely damage the draper belts. Slippage is typically caused by debris inside the draper.
ϭϬϰϮϬϱϴ
A
Figure 5.144: Draper Slip Warning
If the left or right draper idler roller begins to slip, a warning
tone will sound and one of the following messages (A) will
appear on the HarvestTouch
™
Display:
•
Disengage header. Left draper slipping.
Disengage header. Right draper slipping.
The Operator cannot cancel the message.
NOTE:
A draper slip sensor failure will disable the sensor and a fault will
appear on the display. Contact your MacDon Dealer for service.
NOTE:
The draper slip warning is disabled when a double draper drive
kit is installed.
5.5.8
Knife Speed
The ideal cutting speed of the knife should achieve a clean cut. Crop types and conditions influence the knife and
forward speeds.
Table 5.5 Knife Speed
Header Description
Knife Speed
Type
Size
m (ft.)
Minimum
Maximum
rpm
11
spm
12
rpm
spm
Draper with
single knife
6.1 (20)
600
1200
700
1400
Draper with
single knife
7.6 (25)
600
1200
700
1400
Draper with
single knife
9.1 (30)
600
1200
700
1400
Draper with
single knife
10.7 (35)
550
1100
650
1300
Draper with
single knife
12.2 (40)
525
1050
600
1200
Draper with
double knife
4.6 (15)
750
1500
950
1900
Draper with
double knife
6.1 (20)
750
1500
950
1900
Draper with
double knife
7.6 (25)
700
1400
850
1700
Draper with
double knife
9.1 (30)
600
1200
800
1600
Draper with
double knife
10.7 (35)
600
1200
700
1400
11. Revolutions per minute is the speed of knife drive box pulley.
12. Strokes per minute of knife (rpm x 2).