Land Pride RCP2660 User Manual
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Section 3: Adjustments
RCP2660, RCPM2660, RCP3060 and RCPM3060 Parallel Arm Rotary Cutter 316-111M
1/11/13
Section 3: Adjustments
Turtle/Rabbit Flow Control at the Tractor
Refer to Figure 3-2:
The tractor’s turtle/rabbit flow control valves are used
when all hydraulic connections are connected directly to
the tractor outlets.
1.
Set cutter in folded transport position. (All parallel
arm and deck cylinders are fully retracted when in
transport position.)
2.
Operate tractor “ARM 2” lever to raise outboard arm
fully up as shown.
3.
Operate tractor “ARM 2” lever to fully retract
outboard arm and time how long it takes to cycle
from fully extended to fully retracted.
4.
Adjust turtle/rabbit control until cycle time is 5
seconds.
5.
Repeat steps 2 and 3 for “ARM 1” and “Deck Pivot”
cylinders.
If the cutter is having hydraulic overheating problems and
the turtle/rabbit flow control valves have been set
correctly, then check tractor operator’s manual for power
beyond hook-up.
Cycle Time (Fully Extended to Fully Retracted)
Figure 3-2
NOTE: If your tractor does not have flow control
(turtle/rabbit control) or if the tractor uses an open
center hydraulic system, then the flow control valve
kit #316-068K must be purchased. Check your
tractor’s operator’s manual to determine your
tractor’s set-up.
22030
Hydraulic Flow Control
Independent Control is factory set to operate hydraulic
cylinders at the correct speed. Tractor Control and
Solenoid Control cylinders will require some flow control
adjustments. The cylinders require about 5 GPM (gallons
per minute) to function properly. This is set by adjusting
the flow control valve(s) and then timing how long it takes
for the cylinder to fully retract. The valve is adjusted
correctly when the cylinder retraction time is 5 seconds.
Flow Control Valve on the Rotary Cutter
Refer to Figure 3-1:
An auxiliary flow control valve is included with the
Solenoid Control option. The flow control valve diverts
excess oil back to the tractor keeping oil cooler and back
pressure down.
Flow Control Valve for Solenoid Operated Cylinders
Figure 3-1
Refer to Figure 3-2:
1.
Set Rotary Cutter in folded transport position. (All
parallel arm and deck cylinders are fully retracted
when in transport position.)
2.
Press and hold “ARM 2 OUT” push button switch to
fully raise outboard arm up. Release switch when
cylinder is fully extended.
3.
Press and hold “ARM 2 IN” push button switch and
time how long it takes to cycle from fully extended to
fully retracted.
4.
Adjust flow control knob (See Figure 3-1) until cycle
time is 5 seconds.
IMPORTANT: Oil overheating may occur if flow
control is not achieved. Damage to o-rings in the
solenoid valve and/or in the cylinders may occur if oil
becomes overheated.
22010
Plumbing shown is for tractors with hydraulic oil flow rate of
15 GPM and under.