4.7.2 Knife Speed
The ideal cutting speed of the knife should achieve a clean cut. Crop types and conditions usually in
fl
uence
the knife and forward speeds.
Table 4.5 Knife Speed Table
Header Description
Knife Speed
Minimum
Maximum
Type
Size (ft.)
rpm
7
spm
8
spm
Auger A40-D
All
700
1400
975
1950
When the header is
fi
rst 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 speci
fi
ed for each header.
Setting Knife Speed
This adjustment requires the header to be in operation.
CAUTION
Check to be sure all bystanders have cleared the area.
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.
Figure 4.253: Auger Header Run Screen 1
7. Revolutions per minute is the speed of knife drive box pulley
8. Strokes per minute of knife (rpm x 2)
214053
222
Revision A
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