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4-8 LEVELING (SIDE TO SIDE)
4-8.1
An adjustable radius rod connects the
center frame lifts together to keep them oper-
ating in unison. The radius rod does not level
the center frame lift. The radius rod length is
determined initially by fully retracting the lift
cylinders and adjusting the radius rod until it
is loose and tightening the jam nuts.
4-8.2
To level the center frame:
a. Verify that all of the tires are properly in-
flated.
b. With the unit unfolded, raise it to fully extend
the lift cylinders and continue holding the trac-
tor lever 30-60 seconds to insure the cylin-
ders are fully extended and the rephrasing lift
system has been purged of air.
c. Lower the unit so the disc blades are 1" off
the ground.
JAM NUTS
RADIUS ROD
radius rod adjust
4-8
Figure 4-7 Leveling the Center Frame
d. Measure the distance from the walking
beam spindle to the top of the frame on both
sides. If there is a difference, it needs to be
adjusted by turning the cylinder rods with the
wrench flats provided at the clevis end (See
Figure 4-7).
e. Let the machine down onto the ground to
relieve any pressure, but do not fully retract
the cylinders.
f. Loosen the cross bolt on the clevis. If the
difference is 1/4" this requires turning the rod
of the short side one full revolution to
lengthen the cylinder. If the difference is 1/2"
this requires turning the rod of the short side
out one full turn and the rod of the tall side in
one full revolution. Any differences of less
than a 1/4" are acceptable for operating.
4-8.3
After adjusting the cylinder rod or rods,
the radius rod needs to be adjusted back to
a neutral position. This is accomplished by
fully retracting the lift cylinders and adjusting
the radius rod until there is no load on it, and
then tightening the jam nuts on each end.
WRENCH FLATS ON
CYLINDER ROD
CROSS BOLT ON CLEVIS
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