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HYDRAULIC REQUIREMENTS
The number of hydraulic valves required to operate the “Ultimate” V-Rake depends on the unit ordered.
On all Standard Models the Ultimate Rake comes equipped with a remote valve to operate all movement functions
of the rake except the lift function on the raking wheels. These units require only 2 hydraulic valves on the tractor.
One double-acting valve to operate the remote valve and one single-acting valve with a oat detent position to
operate the lift function of the raking wheels.
The 17 and 19 wheel models can be ordered without the hydraulic remote valve and toe-in function if they have
a tractor with 3 valves.
REMOVING THE AIR FROM THE HYDRAULIC LINES
All Ultimate V-Rakes use the master/slave concept to perform one or more functions hydraulically.
All rake wing function is controlled with a pair of master/slave cylinders. The rakes that have the “toe-in” function
also have master/slave cylinders. (See Figure 1)
Periodically air may get into the hydraulic lines (hose) which connects the two cylinders together. This will result
in the wings not holding their position. To remove the air, with the arms fully extended, simply open the wings and
hold the valve to exert continuous pressure for 1 to 2 minutes. Then enclose the wings fully and hold the tractor
valve 1 to 2 minutes. (Repeat as necessary.) NOTE: When positioning the wings, make sure the tractor and rake are in
motion and all braking devices on top of the castor wheels are loosen ed.
FRONT
Left Positioning Arm Cylinder
(Large Master Slave Cylinder) 3¼”
Right Positioning Arm Cylinder
(Small Master Slave Cylinder) 2¾”
Connects to Hydraulic Lines to
the Tractor
Figure 1
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