OPERATION
##.## REEL R PM, MPH, KPH)
NOTE:
Auger Speed NOT To Exceed 3 20 rpm.
4.7.3 Kn ife Sp
eed
The ideal cutting speed of the knife should be such that a clean cut is achieved. Crop types and conditions usually
influence the knife and forward speeds.
The knife speed is manually set by making adjustments to the knife drive pump, and has been preset at the lowest
knife rpm.
For optimum performance, adjust the knife speed according to the header being used. Refer to the following table.
If the machine is equipped with the appropriate sensor and optional module, the cab display module (CDM) will notify
you when the knife speed reaches an overload preset (usually 75% of knife speed).
The preset can be changed on the CDM. Refer to 3.18.5 Cab Display Module (CDM) Programming, page 70.
NOTE:
The knife speed should be set within the range specified for each header.
Table 4.2
A-Series Knife Speed
Header Description
Knife Speed
Minimum Maximum
Type
Size
rpm
17
spm
18
rpm
17
spm
18
Auger A
30-D 775
1550 925 1850
Auger A40-D
All
700 1400 975 1950
Setti
ng Knife Speed (With Expansion Mo dule MD # 4666 Installed)
DANGER
Stop engine and remove key from ignition before leaving operator's seat for any reason. A child or even a
pet could engage an idling machine.
1. Start engine. Refer to Starting the Engine, page 88.
2. Move throttle to adjust engine speed to IDLE.
3. Set the intermediate speed control (ISC) to OFF. Refer to Engine Intermediate Speed C ontrol (ISC), page 91.
4. Engage header.
5. Run engine at max imum rpm.
17. rpm = sp eed of knife drive box pulley (revo lutions per minute)
18. spm = strokes per minute of knife (rpm x 2)
169890 182 Revision A
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