1222AHS OPERATORS MANUAL –FIELD OPERATIONS & ADJUSTMENTS
21
FIELD OPERATIONS & ADJUSTMENTS
O
PERATING
S
PEED
The 1222AHS is equipped with extra rows of rubber
flails and has an enclosed front chamber for the higher
tip speed cupped knives.
1.
The recommended ground speed is 2 to 4 mph.
Adjust speed to your conditions.
NOTE:
University tests have proven excessive speed
results in unnecessary loss.
2.
Engage PTO with tractor at low RPM and “run-up”
to full operating RPM gradually. If making sharp
turns shut off PTO.
3.
Be sure tractor drawbar is set as specified on page
19.
R
OW
S
PACING
1.
Make sure the rear wheels are set to run between
the rows as explained on page 13 and 14.
2.
Make sure the flail clusters are set so they are
centered on the row and that the outer two clusters
are set at the same distance from the edge of the
machine.
3.
Be sure to operate the defoliator on the rows as
they were planted and not across guess rows.
H
EIGHT
A
DJUSTMENT
– H
ITCH
A
ND
R
EAR
C
ARRIER
W
HEELS
NOTE:
Front stabilizer wheels must simultaneously be
adjusted if so equipped.
1.
Adjust the front rotor so approximately 2.5 to
3.8cm (1.0 to 1.5 inches) of foliage is left on an
average sized beet. Set this height by placing
segment stops on the front lift cylinders. Make sure
the stops are exactly the same on each cylinder.
Figure 16 – Rear Carrier Height Adjustment
2.
Adjust the rear of the machine so the flail, when
running, just sweeps the ground. This will be
approximately 1 inch above the ground when not
rotating.
NOTE:
Running the flails into the ground will take
excessive power, prematurely wear the flails, and
damage to the crop if improperly adjusted.
3.
Adjust the rear height using the adjustable stop
nuts on the cylinders and segment stops if
necessary. See Figure 16.
4.
For the steerable height adjustment also use the
adjustable stop nuts and segment stops if
necessary. When rear of machine is raised be sure
to raise it all the way up so the series cylinders will
re-phase and always be the same length.
H
EIGHT
A
DJUSTMENT
– F
RONT
S
TABILIZER
W
HEELS
1.
Adjust in conjunction with the front hitch cylinders.
Make sure the stabilizer wheels are not holding up
the front up when adjusting the height with the
hitch cylinders. Adjust the height of wheels with
screw jack so tires just contact the ground enough
to stabilize the front of the machine and allows
minimum build-up of mud and tops on the tires.
C
LEANING
If conditions exist that cause excessive build up of mud
and leaves, it is important to periodically clean the
machine out.
CAUTION: WHILE WORKING ON THE
MACHINE, BE SURE TO WORK SAFELY. BE
SURE TO USE ADEQUATE BLOCKING. USE
ADEQUATELY RATED LIFTING DEVICES.
MAKE SURE PARTS ARE SECURED
BEFORE WORKING UNDER OR NEAR
THEM.
CAUTION: KEEP WELL CLEAR OF MOVING
PARTS. BE SURE TO SHUT OFF TRACTOR
AND PLACE KEY IN YOUR POCKET WHILE
MAKING ADJUSTMENTS. WAIT FOR ALL
MOVEMENT TO STOP BEFORE
APPROACHING MACHINE.
C
OVER
R
EMOVAL
The top covers over the rotor lift at the front of the
machine. The rear covers are hydraulically lifted.
CAUTION: KEEP CLEAR OF
HYDRAULICALLY OPERATED DOORS
WHEN ACTIVATING.
