The load check valve performs the following two functions. The load check valve prevents unexpected movement of an implement when a joystick is initially activated…

Each line relief valve contains a makeup valve. The line relief valves are located between each cylinder and the respective control valve. When the control…

Illustration 1 g03424088 Cross section of straight travel control valve and main relief valve (1) Straight travel control valve (2) Main control valve (3) Right…

Introduction The right pump and the left pump receive signal oil pressure from the center bypass passages of the main control valve. This signal oil…

Illustration 1 g00774017 Hydraulic schematic (1) Stick drift reduction valve (2) Line relief valve (stick cylinder rod end) (3) Boom drift reduction valve (4) Line…

Operation The regulators for the right pump and the left pump are identical in construction and operation. The following description is given for the left…

Construction Illustration 1 g00875232 Main pumps (1) Proportional reducing valve (power shift pressure) (2) Case drain port (3) Outlet port (right pump) (4) Outlet port…

Illustration 1 g00820102 Proportional reducing valve (power shift solenoid) (1) Solenoid (3) Body (right pump regulator) (9) Line (pilot oil flow) The proportional reducing valve…

Illustration 1 g00693699 Cab (1) Joystick (left) (2) Joystick (right) When joystick (1) and/or joystick (2) are operated, the pilot control valves send pilot pump…

Illustration 1 g00681573 Pilot Oil Manifold (1) Pilot oil manifold (2) Hydraulic lockout solenoid valve Illustration 2 g00820055 Cab (3) Hydraulic lockout lever (LOCKED position)…