Farm King VT3290, Operator And Parts Manual, Page: 57 / 232

Assembly - VT3000 Series
55
Install one 1-9/32” ID x 2” OD x 1/4” washer onto
the pin, then push the cylinder pin through the
second bracket of the cylinder mount.
Install another 1-9/32” ID x 2” OD x 1/4” washer
(Item 1) on the end of the cylinder pin and secure
with two cotter pins (Item 2)
[Figure 92] . Then
install the cylinder pin through the mounting
bracket and clevis.
Repeat for three remaining wing cylinders.
Enter the tractor and start the engine.
Using the tractor’s auxiliary controls, cycle the
hydraulic cylinders on the VT3000 to test for
correct operation.
Fully raise the VT3000 frame and fully unfold RH
& LH wings.
Turn tractor engine off and exit the tractor.
Close shut-off valves.
Purging / Rephasing Hydraulic System
IMPORTANT
Failure to purge hydraulic system of air or rephase
depth control cylinders, could result in uneven
tilling depth across the width of the machine, as
one or more cylinders may creep, “bounce” or
move erratically.
Purging Hydraulic System
Following assembly and prior to placing the
VT3000 into field service, it is important the series
depth control cylinders be purged of air that has
been trapped in the system.
Use the following procedure to purge trapped air
from the hydraulic system:
1. Connect the VT3000 hydraulics to tractor and
remove all depth control stops.
2. Raise VT3000 to extend lift cylinders fully and hold
hydraulic lever in the UP position for (3) three
minutes.
3. Lower VT3000 to retract lift cylinders fully.
NOTE: All lift cylinders may not fully retract.
4. Raise VT3000 again and hold hydraulic lever in the
UP position for another (3) three minutes.
Rephasing Hydraulic System
Following the initial purging of the series hydraulic
system, it is a recommended practice to rephase
the depth cylinders several times each day by
holding hydraulic lever in the UP position for five
to ten seconds. This can be normally done when
implement is raised to make a turn at the end of
the field.
IMPORTANT
Hydraulic pressure must be relieved at the end of
the day and prior to uncoupling from tractor.