MacDon M1240 - Grease Points

215916 281 Revision A
Draper Slip Warning
A slipping draper can severely damage the draper belts. Slippage is typically caused by debris inside the draper.
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Figure 4.388: 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 Harvest Performance Tracker (HPT) screen:
• Left draper slipping. Disengage header.
• Right draper slipping. Disengage header.
The Operator cannot cancel the message.
NOTE:
A draper slip sensor failure will disable the sensor and a fault will
appear on the Harvest Performance Tracker (HPT) screen.
Contact your MacDon Dealer for service.
NOTE:
The draper slip warning is disabled when a double draper drive
kit is installed.
4.6.7 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 4.5 Knife Speed
Header Description
Knife Speed
Type
Size m (ft.)
Minimum Maximum
rpm
13
spm
14
rpm
13
spm
14
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
OPERATION
13. Revolutions per minute is the speed of knife drive box pulley
14. Strokes per minute of knife (rpm x 2)