HOSE AS 1035422 - Caterpillar

The screed is equipped with an extender slope control mechanism for each extender. The slope control mechanism rotates the extender structure to adjust mat slope behind the extender. Hydraulic extender slope motor (1) powers the slope control mechanism. The motor is located toward the center of the main screed.Note: The slope control mechanism for the left extender and the right extender operate in the same manner. The right extender mechanism is shown in the illustration above.Extender slope motor (1) is a gerotor-type hydraulic motor. The motor is bidirectional. Direction of the motor is controlled by the extender slope control switches on the corresponding operator station.Extender slope motor (1) drives slope adjust screw (3). The slope adjust screw is mounted to the main screed. The rod end of the screw is connected to extender slope lug (2). As the slope adjust screw rotates in either direction, the extender slope lug raises or lowers. This action causes the extender to rotate to adjust the slope angle. A physical stop prevents over-rotation of the extender.
Illustration 2 g03810298
Left Frame of Main Screed
(4) Crown and slope manifold The slope adjust motor for either extender is controlled by crown and slope manifold (4). This manifold is located at the front of the left main screed frame.Crown and slope manifold (4) contains the slope solenoids which control oil flow to the slope adjust motors.
Illustration 3 g03810396
Left Frame of Main Screed
(5) Left slope up solenoid
(6) Left slope down solenoid
(7) Right slope down solenoid
(8) Right slope up solenoid Four slope solenoids (5), (6), (7), and (8) are mounted on the crown and slope manifold. These solenoids control the rotation direction of the slope adjust motors.When left slope up solenoid (5) is energized, the left slope adjust motor rotation retracts the left slope adjust screw. This action decreases the left extender slope angle. When left slope down solenoid (6) is energized, the left adjust motor rotation extends the adjust screw. This action increases the left extender slope angle.When right slope up solenoid (8) is energized, the right slope adjust motor rotation retracts the right slope adjust screw. This action decreases the right extender slope angle. When right slope down solenoid (7) is energized, the right adjust motor rotation extends the adjust screw. This action increases the right extender slope angle.Slope up solenoids (5) and (8) and slope down solenoids (6) and (7) are controlled by output signals from the screed ECM. The left operator station and right operator station of the screed generate the slope control input signals to the screed ECM to control these solenoids. The slope control switches on the left operator station control the left extender slope. The slope control switches on the right operator station control the right extender slope.
Illustration 4 g03810308
Main Screed
(9) Extender slope scale Extender slope scale (9) is located on each side of the main screed. The slope scale indicates the approximate slope setting in percent.On vibratory screeds, when the extender is in a zero slope condition, the slope angle can be increased to