621K OEM Wheel Tractor Machine Systems Location of Components (Fan Hydraulic System) Caterpillar


Location of Components (Fan Hydraulic System)
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1.1. Monitoring System
2.1. Control Manifold (Hydraulic Fan)
3.1. Control Manifold (Hydraulic Fan)
4.1. Piston Pump Hydraulic Fan
5.1. Pump Control Valve
6.1. Oil Filter Gp (Hydraulic Fan)
7.1. Piston Motor (Hydraulic Fan)
8.1. Oil Cooler (Hydraulic System)

Monitoring System



Illustration 1g03362842
Monitoring system display

The monitoring system (1) is located in the operator console.

Reference: Refer to the Monitoring System Systems Operations for your machine for additional information.

Control Manifold (Hydraulic Fan)



Illustration 2g03360278
View of the control manifold as seen from below the machine.

The control manifold (2) is located on the right side of the machine. The control manifold (2) is above a belly guard and in front of the front axle. This manifold is the same manifold that is used for the brake system.

Control Manifold (Hydraulic Fan)



Illustration 3g03418854
(2) Hydraulic fan and brake control manifold

The hydraulic fan solenoid gp is located on the brake and hydraulic control manifold (2)

Piston Pump Hydraulic Fan



Illustration 4g03349263
The rear of the machine as seen from a higher vantage point
(4) Piston pump

The piston pump (4) is connected to an output shaft of the transmission.

Pump Control Valve



Illustration 5g03351173
The rear of the machine as seen from a higher vantage point
(3) Pump control valve
(4) Piston pump

The pump control valve (5) is located on the side of the piston pump (4).

Oil Filter Gp (Hydraulic Fan)



Illustration 6g03418131
View of the rear of the tractor

The filter for the hydraulic fan system is located on the rear of the tractor. The temperature sensor is located on the top of the filter.

Piston Motor (Hydraulic Fan)



Illustration 7g03418189
View of the fan motor

The piston motor (hydraulic fan) (5) is part of the cooling group. The piston motor (hydraulic fan) (5) is located on the rear of the cooling package. The speed sensor is located on the right side of the piston motor

Oil Cooler (Hydraulic System)



Illustration 8g03351198
Hydraulic system oil cooler

Oil cooler (brake and hydraulic fan) (6) is located in front of the radiator group. Oil flows from the piston motor (hydraulic fan) through the cooler. The oil flows through the return filter and into the hydraulic tank.

Information System:

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