215916 301 Revision A
4.7.2 Knife Speed
The ideal cutting speed of the knife should achieve a clean cut. Crop types and conditions usually influence the knife and
forward speeds.
Table 4.6 Knife Speed Table
Header Description
Knife Speed
Type
Size m (ft.)
Minimum Maximum
rpm
17
spm
18
rpm
17
spm
18
Auger A40DX
Grass Seed
All
700 1400 975 1950
Auger A40DX
All
700 1400 975 1950
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
This adjustment requires the header to be in operation.
DANGER
Ensure that all bystanders have cleared the area.
Figure 4.432: Auger 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
17. Revolutions per minute is the speed of knife drive box pulley.
18. Strokes per minute of knife (rpm x 2).
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