HOSE AS 2751589 - Caterpillar

Illustration 1 g03819370
Illustration 2 g01372505The nonpressurized hydraulic oil tank is located at the front of the machine. Oil is added to the tank through cap (1).Sight gauge (2) is on the left side of the machine. Refer to the Operation and Maintenance Manual, SEBU8128, "Hydraulic System Oil Level - Check" for the proper level of the oil in the tank.Snap ring (3) can be removed for access to suction screen (4) in the filler tube for the hydraulic tank.The right side of the tank has nine ports.
Implement pump case drain (5)
Return for the implement valve (6)
Return for the hydrostatic case drain and the hydraulic oil cooler (8)
Drain for the electrohydraulic pilot solenoids on the implement valve (9)
Air breather (10)
Temperature sensor (11)
Hydrostatic cold start bypass return (12)
Implement pump suction (13)
Charge/fan pump suction (15)Back pressure check valve (7) is located on the port for the return oil from the implement valves. The back pressure valve reduces cavitation in the cylinders.Drain plug (14) is located on the bottom side of the hydraulic tank.