TUBE AS 1908628 - Caterpillar

Illustration 1 g01982753
Location of the gear pump for hoist and brake cooling for the shallow brake arrangement
(1) Pump drive
(2) Gear pump for the hoist and for brake cooling
(3) Hoist control valve
Illustration 2 g01982773
Location of the gear pump for hoist and brake cooling for the steep brake arrangement
(1) Pump drive
(2) Gear pump for the hoist and for brake cooling
(3) Hoist control valve Note: The 797F XQ Off-Highway Truck uses the steep brake cooling system and not the shallow brake cooling system.Gear pump (1) for the hoist and for the brake cooling is located between the transmission and the frame on the right side of the truck. Gear pump (1) has four sections. All four sections of gear pump (1) send oil to the hoist control valve for the hoist and for the brake cooling.
Illustration 3 g01982914
(1) Pump drive
(2) Gear pump for the hoist and for brake cooling
(4) Inlets from the hydraulic tank
(5) Outlets to the hoist screen Oil from the hydraulic tank flows into inlets (4) of gear pump (1). Gear pump (1) pumps oil through outlets (5) and into a screen. The oil continues flowing to hoist control valve (3). Hoist control valve (3) sends the oil to the hoist cylinders, or to the front brake cooling system and the rear brake cooling system.