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4-6 HYDRAULIC DISC GANG LIFT SYSTEM
The disc gang lift system must be purged of air
before beginning field operation.
4-6.1
Make sure the tractor's hydraulic reser-
voir is full of the manufacturer's recom-
mended oil.
4-6.2
Extend the lift cylinder and raise the ma-
chine.
4-6.3
Fully extend and retract the disc gang
cylinder to allow oil to fill cylinder.
4-7 GENERAL OPERATION
4-7.1
The horsepower requirements are typi-
cally 20-25 horsepower per shank. This will
vary widely due to speed, depth, moisture,
residue and types of soils. Local dealers can
help in making recommendations for your ar-
eas.
4-7.2
Operating speed is typically 4.5-6 mph.
Excessive speed can cause the unit to
bounce, uneven depth, and create undesir-
able ridges.
4-6
IMPORTANT
RETRACTING THE CYLINDERS DURING PE-
RIODS OF STORAGE WILL PREVENT RUST-
ING OF SHAFTS AND SUBSEQUENT DAM-
AGE TO SEALS.
4-7.3
Lift wheels must always be in contact
with the ground and carrying some imple-
ment weight. Lift wheels are used to gauge
the depth and to control the leveling feature.
4-7.4
Do not turn with the Disc Chisel in the
ground. This can put excessive side load on
the gangs and hitch. Raise the unit fully
when making turns to prevent gouging and
pushing a ridge.
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