Unplugging The Header; Hydraulic Conditioner Roll Opener - MacDon 912 Operator's Manual

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UNPLUGGING THE HEADER

WARNING: Stop engine and remove
key from ignition before removing
plugged material from header.
If the sickle plugs:
1. Stop forward movement of the windrower and
disengage header drive clutch.
2. With header on ground, back up several feet
and engage header drive clutch.
3. If plug does not clear, disengage header drive
clutch and raise header fully.
4. Shut off engine, remove key and engage park
brake.
5. Engage header lift cylinder stops.
WARNING: Wear heavy gloves when
working around sickle.
6. Clean off cutterbar.
If plugging persists, see Trouble Shooting section.
If auger or conditioner plugs:
1. Stop forward movement of the windrower,
disengage header drive clutch and raise
header fully.
2. Shut off engine, remove key and engage park
brake.
3. Engage header lift cylinder stops.
WARNING: Wear heavy gloves when
working around sickle.
4. Clean off cutterbar and area under reel.
5. Position wrench (A) over end of drive shaft (B)
and rotate counter-clockwise (from left end)
until plug clears.
6. Store wrench in left end divider and secure
with hairpin at (C).
If plugging persists, see Trouble Shooting section.
Hydraulic Conditioner Roll Opener (Option)
For units equipped with this option, if conditioner
rolls plug during operation:
Disengage header drives.
Press top of switch (D) to extend the cylinders
at the sides of the conditioner frame, forcing
the rolls open.
While holding switch (D) in the up position, set
engine throttle at half speed and engage
header drive to clear conditioner plug.
When plug is cleared, release switch and
continue normal operation. Cylinders will
automatically retract.
For information on ordering this option, see
Attachments section in this book.
Form # 46620
OPERATION
OPERATE HYDRAULIC ROLL OPENER
WARNING: Be aware that rolls will
close automatically if bottom of
switch (D) is pressed while engine is
running, or if header drive is engaged with
engine running. If it becomes necessary to
manually remove a plug from the conditioner:
Disengage header drive.
Press top of switch (D) to extend the
cylinders at the sides of the conditioner
frame, forcing the rolls open.
Shut off engine and remove key.
Remove plug manually and continue
normal operation.
35
A
B
CLEARING PLUGS
C
WRENCH STORAGE
D
WITH REEL LIFT SWITCH
Issue 11/06

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