Draper Slip Warning; Knife Speed - MacDon M2170NT Operator's Manual

Draper Slip Warning

A slipping draper can severely damage the draper belts. Slippage is typically caused by debris inside the draper.
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
• 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
Type
Draper with
single knife
Draper with
single knife
Draper with
single knife
Draper with
single knife
Draper with
single knife
Draper with
double knife
Draper with
double knife
Draper with
double knife
Draper with
double knife
Draper with
double knife
11. Revolutions per minute is the speed of knife drive box pulley.
12. Strokes per minute of knife (rpm x 2).
262171
™
Display:
Size
m (ft.) rpm
6.1 (20)
600
7.6 (25)
600
9.1 (30)
600
10.7 (35)
550
12.2 (40)
525
4.6 (15)
750
6.1 (20)
750
7.6 (25)
700
9.1 (30)
600
10.7 (35)
600
OPERATION
Figure 5.144: Draper Slip Warning
Knife Speed
Minimum
11 spm 12
1200
1200
1200
1100
1050
1500
1500
1400
1200
1200
262
A
Maximum
rpm 11 spm 12
700 1400
700 1400
700 1400
650 1300
600 1200
950 1900
950 1900
850 1700
800 1600
700 1400
Revision A