MacDon M105 Operator's Manual page 190

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
Engine Intermediate Speed Control (ISC), page
4. Engage header.
5. Run engine at maximum rpm.
6. Press SELECTOR button (B) on the ground speed
lever (GSL) until the CDM (A) displays the knife speed
in SPM (strokes per minute). This indicates that the
optional expansion module (MD #B4666) is installed.
7. If knife speed is NOT displayed, the optional expansion
module is not installed, proceed to
(without Expansion Module MD #B4666), page
8. Compare the reading to Table
Speed , page 175.
9. If required, adjust knife speed as follows:
10. Shut down engine, and open engine hood.
11. Locate the knife drive pump (A) and knife speed
adjuster screw (B) under the right (cab forward) side
of the windrower.
NOTE:
The knife speed adjuster screw may have a plastic cap
(B) covering it. Pull this cap off to expose the screw.
169890
Starting the Engine, page
Setting Knife Speed
4.1 D-Series Knife
OPERATION
88.
91.
177.
Figure 4.181: Operator Console
Figure 4.182: Knife Drive Pump
176
Revision A