BUSHING 1404824 - Caterpillar

Illustration 1 g06072855
General Description
The auxiliary hydraulic system consists of several machine circuits for rotor height, rotor chamber configuration, conveyor placement, and dust restriction. Accessory circuits are also supported by the auxiliary hydraulic system. These circuits include the engine cover, fume ventilation, and an optional canopy.The following machine functions are covered in the auxiliary hydraulic system:
Machine elevation control
Antislab control
Moldboard control
Side plate control
Conveyor position control
Conveyor fold control (optional)
Accessory system controlNote: Steering control is also part of the auxiliary hydraulic system. However, due to the complexity of the steering system, steering control is covered in a separate section. For additional information about steering control, refer to "Steering System" in this publication.Accessory System
Illustration 2 g06072855
General Description
The accessory hydraulic system consists of machine control circuits for the engine cover and optional canopy. A tow mode feature of the accessory hydraulic system supports the auxiliary hydraulic and steering systems when engine power is not available.The following machine functions are covered in the accessory hydraulic system:
Engine cover control
Canopy control (option)
Tow modeNote: These machines are configured with two different engines. One engine meets US EPA Tier 4 Final and EU Stage IV emission standards. The second engine meets US EPA Tier 3, EU Stage IIIA, and China Stage II emissions standards. Illustrations throughout this section may show components unique to either configuration. Components relevant to this section are discussed as required.