MAC215990
323
Revision A
WARNING
To prevent bodily injury from the fall of a raised reel, always engage the reel safety props before going under the
raised reel for any reason.
WARNING
Wear heavy gloves when working around or handling knives.
1.
Align the guards. For instructions, refer to
Adjusting Knife Guards and Guard Bar, page 318
2.
Raise the reel fully.
3.
Shut down the engine, and remove the key from the ignition.
4.
Engage the reel safety props. For instructions, refer to
Engaging Reel Safety Props, page 37
.
1028444
A
B
C
C
Figure 4.143: Pointed Hold-Down
5.
Adjust the hold-down clearance as follows:
a.
To lower the front of hold-down (A) and decrease
clearance, turn adjuster bolt (B) clockwise.
b.
To raise the front of hold-down (A) and increase
clearance, turn adjuster bolt (B) counterclockwise.
NOTE:
For larger adjustments, it may be necessary to loosen
nuts (C) before turning adjuster bolt (B). After
adjustment, retighten nuts to 85 Nm (63 lbf·ft).
6.
Recheck the hold down clearance. Refer to
Pointed Knife Guards, page 321
. Repeat this
procedure as needed.
7.
Run the header at low engine speed, and listen for noise caused by insufficient clearance. Readjust as necessary.
IMPORTANT:
Insufficient hold-down clearance will result in overheating of the knife and guards.
Replacing Pointed Center Knife Guard
–
Double-Knife
The guard at the center of a double-knife header (where the two knives overlap) requires a slightly different replacement
procedure than a pointed knife guard.
DANGER
To prevent bodily injury or death from the unexpected start-up of the machine, always stop the engine and remove the
key from the ignition before making adjustments to the machine.
WARNING
To prevent bodily injury from the fall of a raised reel, always engage the reel safety props before going under the
raised reel for any reason.
WARNING
Wear heavy gloves when working around or handling knives.
