215916 282 Revision A
Table 4.5 Knife Speed (continued)
Header Description Knife Speed
Type
Size m (ft.)
Minimum Maximum
rpm
15
spm
16
rpm
15
spm
16
Draper with
double knife
12.2 (40)
550 1100 700 1400
Draper with
double knife
13.7 (45)
550 1100 700 1400
When the header is first attached to the windrower, the Harvest Performance Tracker (HPT) receives a code from the
header that determines the knife speed range and the minimum speed.
The desired speed can be programmed and stored in the HPT so the knife will operate at the original set-point after the
header is detached and reattached to the windrower.
Refer to the header operator’s manual for the suggested knife speed for a variety of crops and conditions.
NOTE:
The knife speed cannot be programmed outside the range specified for each header.
Setting Knife Speed
Knife speed is displayed in strokes per minute (spm).
DANGER
Ensure that all bystanders have cleared the area.
Figure 4.389: Header Run Screen 1
1. If RUN SCREEN 1 is not already displayed, press soft
key 1 (A) on the Harvest Performance Tracker (HPT) to
display draper RUN SCREEN 1.
OPERATION
15. Revolutions per minute is the speed of knife drive box pulley
16. Strokes per minute of knife (rpm x 2)
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