HOSE AS-GUARD 5464702 - Caterpillar

Illustration 1 g03400482
Top view of machine (1) Lower control valve (2) Upper control valve
Illustration 2 g03400484
Right side view of machine (1) Lower control valve (2) Upper control valveThe hydraulic system contains the following pumps: two main pumps that supply oil to both main control valves, a generator pump, a swing pump and hydraulic oil cooler pump.The hydraulic system has two main control valves. The lower main control valve operates the travel motors and the stabilizers. The upper main control valve controls the following: cab riser cylinders, boom cylinders, grapple and stick cylinders.The hydraulic return system has two back pressure manifolds that prevent cavitation in the system by maintaining a certain amount of pressure.