Knife Speed; Setting Knife Speed (With Expansion Module Md #4666 Installed) - MacDon M105 Operator's Manual

##.## REEL RPM, MPH, KPH)
NOTE:
Auger Speed NOT To Exceed 320 rpm.

4.7.3 Knife Speed

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
NOTE:
The knife speed should be set within the range specified for each header.
Table 4.2 A-Series Knife Speed
Header Description
Type
Auger A30-D
Auger A40-D

Setting Knife Speed (With Expansion Module 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
2. Move throttle to adjust engine speed to IDLE.
3. Set the intermediate speed control (ISC) to OFF. Refer to
4. Engage header.
5. Run engine at maximum rpm.
17. rpm = speed of knife drive box pulley (revolutions per minute)
18. spm = strokes per minute of knife (rpm x 2)
169890
Size
17
rpm
775
All
700
Starting the Engine, page
OPERATION
3.18.5 Cab Display Module (CDM) Programming, page
Knife Speed
Minimum
18
spm
1550
1400
88.
Engine Intermediate Speed Control (ISC), page
182
70.
Maximum
rpm 17 spm 18
925 1850
975 1950
Revision A
91.