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)…

Illustration 1 g00681745 (5) Accumulator (16) Line (pilot oil from pilot oil manifold) (17) Mounting block The accumulator stores pilot pressure oil for use at…

Illustration 1 g00673505 (1) Inlet port (oil flow from pilot pump) (2) Pilot relief valve (3) Port (oil flow to hydraulic tank) (4) Outlet lines…

Illustration 1 g00673455 (1) Pilot oil filter The oil delivery from the pilot pump flows through pilot oil filter (1) and into the components in…

Illustration 1 g00673419 Pilot pump The pilot pump is a gear type pump that supplies oil flow to the pilot system. The pilot pump is…

Illustration 1 g00774010 (1) Swing parking brake (2) Displacement change valve (left travel motor) (3) Displacement change valve (right travel motor) (4) Line (pilot oil…

Illustration 1 g00902442 (1) Engine and pump controller (2) Fuse panel (3) Engine (4) Governor lever (5) Main pumps (6) Battery (7) Engine start switch…

Main Hydraulic Schematic Illustration 1 g00773987 (1) Swing motor (2) Left travel motor (3) Right travel motor (4) Stick cylinder (5) Travel brake valve (left)…

Reference: For testing and adjusting of the hydraulic system, refer to Testing and Adjusting, “Excavator Hydraulic System” for your machine. Reference: For systems operation of…