262334 111 Revision A
3.10 Unplugging Conditioner and Knife
The M1 Series Windrowers are equipped with a header drive reversing function as standard equipment. M Series Self-
Propelled Windrowers (including M150, M155, M155E4, and M200) can be equipped with the Header Drive Reverser kit
(B4656). This kit is not available for M100 or M105 Self-Propelled Windrowers.
On windrowers with this equipment installed, reverse the hydraulic flow to the knife, auger, reel, and conditioner hydraulic
motors to help remove any plugged material from the header.
If the reverser is not installed, proceed through the following instructions.
DANGER
To avoid bodily injury or death from the unexpected startup of the machine, always stop the engine and remove the
key from the ignition before leaving the operator’s seat for any reason.
1. Stop the forward movement of the windrower, and shut down the header.
2. Lift the cutterbar about 300 mm (12 in.).
3. Back up about 1 m (3 ft.) while slowly engaging the header.
4. If the plug does not clear, raise the machine.
5. Engage the windrower brake.
6. Shut down the engine, and remove the key from the ignition.
7. Engage the header lift cylinder lock-out valves.
WARNING
Exercise caution when working around the cutterbar. Blades are sharp and can cause serious injury. Wear heavy gloves
when working around or handling knife.
8. Clean off the cutterbar and the area under the reel by hand.
Figure 3.161: Wrench Location – A40D
9. Retrieve wrench (A) from the storage inside the left drive
compartment.
OPERATION
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