MacDon A40-D, Operator'S Manual

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Revision A
3.8 Unplugging Conditioner and Knife
M1 Series windrowers are equipped with a header drive reversing function as standard equipment. M Series
windrowers (including M150, M155, M155
E4 , and M200) can be equipped with the Header Drive Reverser kit
(MD #B4656). This kit is not available for M100 or M105 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 reverser is not installed, proceed through the following instructions.
CAUTION
To avoid bodily injury or death from unexpected startup of machine, always stop engine and remove key
from ignition before leaving operator
’
s seat for any reason.
1. Stop forward movement of windrower, and shut down header.
2. Lift cutterbar about 300 mm (12 in.).
3. Back up about 1 m (3 ft.) while slowly engaging the header.
4. If plug does not clear, raise machine, apply windrower brake, shut off engine, and remove key.
5. Engage 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.
6. Clean off cutterbar and area under reel by hand.
Figure 3.119: Wrench Location
–
A40D
7. Retrieve wrench (A) from storage inside the left drive
compartment.
OPERATION