120H, 12H, 135H, 140H, 143H, 160H and 163H Motor Graders Air System and Brakes Location of Components Caterpillar


Location of Components
`
1.1. Monitoring System
2.1. Air Compressor
3.1. Air Dryer
4.1. Relief Valve (Air Tank)
5.1. Air Horn
6.1. Air Control Valve (Service Brakes)
7.1. Air Control Valve (Parking Brake)
8.1. Service Brakes
9.1. Parking Brake

The air system and brakes consists of the following components:




Illustration 1g00936152

(1) Monitoring system

(2) Air horn

(3) Air control valve for the parking brake

(4) Service brakes

(5) Air tank

(6) Parking brake

(7) Air control valve for the service brakes

(8) Air compressor

(9) Air dryer (if equipped)

Monitoring System




Illustration 2g00926294

The monitoring system is located in the operator console.

Air Compressor




Illustration 3g00920667

Typical Example

The air compressor is mounted on the front left side of the engine.

Air Dryer




Illustration 4g00920635

The air dryer is mounted in the rear compartment on the left side of the machine.

Relief Valve (Air Tank)




Illustration 5g00922922

Right side of the machine, rear compartment

An air relief valve is fastened to the center section of the air tank.

Air Horn




Illustration 6g00922185

The air horn is located on the right side of the machine underneath the operator compartment.

Air Control Valve (Service Brakes)




Illustration 7g00920654

The air control valve for the service brakes is located on the right side of the machine underneath the operator compartment.

Air Control Valve (Parking Brake)




Illustration 8g00922184

The air control valve for the parking brake is located in the console to the right of the operator's seat.

Service Brakes




Illustration 9g00922180

The service brakes are mounted at each wheel on the tandem housing.

Parking Brake




Illustration 10g00922238

The parking brake is mounted on the transmission output shaft.

Information System:

3524B Engine for Caterpillar Built Machines Coupling Oil Filter Base - Assemble
950G Series II Wheel Loader, 962G Series II Wheel Loader and IT62G Series II Integrated Toolcarrier Hydraulic System General Information - Integrated Toolcarrier
3524B Engine for Caterpillar Built Machines Coupling Oil Filter Base - Disassemble
3524B Engine for Caterpillar Built Machines Coupling Oil Filter Base - Remove
IT28G Integrated Toolcarrier and 924G, 924GZ and 928G Wheel Loaders Torque Converter
IT28G Integrated Toolcarrier and 924G, 924GZ and 928G Wheel Loaders Differential and Final Drive
IT28G Integrated Toolcarrier and 924G, 924GZ and 928G Wheel Loaders Transmission
R2900 Load Haul Dump Fire Extinguisher Location
120H and 135H Motor Graders Machine Systems Fan and Gear Motor (Hydraulic Fan) - Install
3524B Engine for Caterpillar Built Machines Fuel Priming Pump - Remove and Install
120H, 12H, 135H, 140H, 143H, 160H and 163H Motor Graders Air System and Brakes Introduction
789C Off-Highway Truck Steering System Steering Accumulator - Test and Charge
R2900 Load Haul Dump Model Views and Specifications
R1600 Load Haul Dump Machine Electrical System Engine Shutdown
R1600 Load Haul Dump Machine Electrical System Actual Gear Indicator
R1600 Load Haul Dump Machine Electrical System Transmission Oil Temperature
Installation Procedure for the New Traction Control System{5051}
3524B Engine for Caterpillar Built Machines Engine Oil Pump - Remove
D350E Series II and D400E Series II Articulated Trucks Power Train Priority Valve
IT62G Series II Integrated Toolcarrier and 950G Series II and 962G Series II Wheel Loaders Capacities (Refill)
938G Wheel Loader, 938G Series II Wheel Loader, IT38G Integrated Toolcarrier and IT38G Series II Integrated Toolcarrier Traction Control System MID 028 - CID 0606 - FMI 02
554 and 574 Forwarders Power Train Filling and Flushing the Hydrostatic System - Test
120H, 12H, 135H, 140H, 143H, 160H and 163H Motor Graders Hydraulic and Steering System Introduction
3524B Engine for Caterpillar Built Machines Engine Oil Pump - Install