Landoll 876-30, Operator'S Manual

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OPERATION AND MAINTENANCE
4-5
4. The mainframe and wings must always be level side
to side during operation. To level the wings with the
mainframe adjustable gauge wheels are provided on
the wings. To level the wings:
a. Unfold and park the machine on level concrete.
b. Verify that all of the tires are properly inflated.
c. Raise the machine to fully extend the lift
cylinders and continue holding the tractor lever
30-60 seconds to insure the cylinders are fully
extended and the rephasing lift systems has
been purged of air.
d. Lower the machine until the main frame disc
blades are on the ground.
e. Loosen the four 5/8 hex head cap screws that
hold on the adjustable cylinder anchor weldment
(See Figures 4-4 and 4-5.) Loosen the hex jam
nut nut on the end of the gauge wheel arm
weldment and adjust the 3/4 adjusting hex head
cap screw so the tires on the mainframe and the
wings are just touching the ground or are the
same distance off the ground.
f. Raise the machine again to fully extend the lift
cylinders and continue holding the tractor lever
30-60 seconds to insure the cylinders are fully
extended and the rephasing lift systems has
been purged of air.
g. The mainframe should now be level with the
wings. If not repeat steps d thru f. If they are
level, lower the machine to the ground, retighten
and torque the (4) 5/8-11 x 1-3/4 hex head cap
screws on each wing gauge wheel and retighten
the 3/4-10 hex jam nut on the adjusting screw.
h. Once operating in the field check again to insure
the machine is running level side to side at the
proper working depth. Readjust as necessary.
Figure 4-4: 876-30 Arm Adjustment
Figure 4-5: 876-35 and -40 Arm Adjustment